Who is Dr. Chan, MOHS-Micrographic Surgeon in Pasadena, CA?
Dr. Joanna Chan, MD is a MOHS-Micrographic Surgeon, who primarily practices in Pasadena, CA. She is board certified. Dr. Chan graduated from Stanford University School of Medicine and completed her residency at University Of Texas Southwestern Dallas.
Dr. Chan is fluent in English, Mandarin, Spanish, and Taiwanese, and is currently seeing new patients. Dr. Chan’s practice accepts Medicaid, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chan’s office at (626) 449-9992.
What are Areas of Expertise for Dr. Chan?
Dr. Joanna Chan, MD is a highly-rated, board-certified MOHS-Micrographic Surgeon known for expertly diagnosing, treating, and managing a wide array
of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Chan empowers
patients to confidently navigate their health journey, specializing in Black/Asian Skin Care, Cosmetic Dermatology, Ethnic Skin Disorders, Mohs Surgery, Skin Cancer, or comprehensive
wellness support. Serving
the Pasadena/CA community, Dr. Chan is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Chan go to medical school and complete their residency?
Residency: University Of Texas Southwestern Dallas | University of Texas Southwestern Medical Center at Dallas and Affiliated Hospitals | University of Texas Southwestern Medical School Program
Medical School: Stanford University School of Medicine
Is Dr. Chan board certified as a MOHS-Micrographic Surgeon?
Yes, Dr. Joanna Chan, MD is board certified by the American Board of Dermatology
What languages does Dr. Chan speak?
Dr. Chan and their clinical team can communicate with patients in the following languages:
English
Mandarin
Spanish
Taiwanese
What conditions does Dr. Chan treat?
As a MOHS-Micrographic Surgeon, Dr. Chan diagnoses, treats, and manages
a wide range of conditions. This condition information is derived from anonymized
insurance claims and highlights the medical conditions most commonly treated
by Dr. Chan. It provides insight into the doctor’s areas of experience
and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
Skin Tumor of Uncertain Behavior
Dry Skin
Skin Condition
Skin Neoplasm
Skin Growth
Uncertain Skin Lesion
Xerosis
Dry skin condition
Asteatotic eczema
ICD-10 Codes:
D485: Neoplasm of uncertain behavior of skin
L853: Xerosis cutis
Also known as:
Dark Skin Patches
Skin Pigmentation Disorder
Hyperpigmentation
Melasma
Age spots
ICD-10 Codes:
L814: Other melanin hyperpigmentation
Also known as:
Actinic Keratosis
Skin Condition
Sun Exposure
Skin Cancer Treatment (PDQ®)
Solar keratosis
Precancerous skin lesion
Rough sun spots
ICD-10 Codes:
L570: Actinic keratosis
Also known as:
Acne Vulgaris
Acne
Common acne
Pimples
Breakouts
ICD-10 Codes:
L700: Acne vulgaris
Also known as:
Inflamed Seborrheic Keratosis
Benign Tumor
Skin Condition
Irritated seborrheic keratosis
Red skin growth
Inflamed age spot
ICD-10 Codes:
L820: Inflamed seborrheic keratosis
Also known as:
Skin Scarring and Fibrosis
Skin Condition
Scar Tissue
Fibrotic Skin
Excessive Scarring
ICD-10 Codes:
L905: Scar conditions and fibrosis of skin
What procedures does Dr. Chan perform?
As a MOHS-Micrographic Surgeon, Dr. Chan performs a variety of medical procedures.
This procedure information is derived from anonymized insurance claims and highlights
the medical procedures most commonly performed by Dr. Chan. It provides insight
into the doctor’s areas of experience and expertise based on real-world patient encounters
from the past two years, updated quarterly.
Also known as:
Mohs Micrographic Surgery
Mohs Micrographic Surgery (Trunk/Arms/Legs, First Stage)
Mohs Surgery (Additional Stage)
Mohs Surgery
Micrographic Skin Cancer Surgery
Mohs Excision
Precision Skin Cancer Removal
Mohs surgery body
Skin cancer removal trunk
Micrographic surgery arms
Precise skin cancer surgery legs
Mohs micrographic surgery
Skin cancer removal with mapping
Staged skin cancer surgery
CPT Codes:
17311: Mohs micrographic technique, including removal of all gross tumor, surgical excision of tissue specimens, mapping, color coding of specimens, microscopic examination of specimens by the surgeon, and histopathologic preparation including routine stain(s) (eg, hematoxylin and eosin, toluidine blue), head, neck, hands, feet, genitalia, or any location with surgery directly involving muscle, cartilage, bone, tendon, major nerves, or vessels; first stage, up to 5 tissue blocks
17313: Mohs micrographic technique, including removal of all gross tumor, surgical excision of tissue specimens, mapping, color coding of specimens, microscopic examination of specimens by the surgeon, and histopathologic preparation including routine stain(s) (eg, hematoxylin and eosin, toluidine blue), of the trunk, arms, or legs; first stage, up to 5 tissue blocks
17314: Mohs micrographic technique, including removal of all gross tumor, surgical excision of tissue specimens, mapping, color coding of specimens, microscopic examination of specimens by the surgeon, and histopathologic preparation including routine stain(s) (eg, hematoxylin and eosin, toluidine blue), of the trunk, arms, or legs; each additional stage after the first stage, up to 5 tissue blocks (List separately in addition to code for primary procedure)
Also known as:
Mohs Surgery
Mohs Micrographic Surgery
Skin Cancer Removal
Precise Skin Cancer Surgery
CPT Codes:
17312: Mohs micrographic technique, including removal of all gross tumor, surgical excision of tissue specimens, mapping, color coding of specimens, microscopic examination of specimens by the surgeon, and histopathologic preparation including routine stain(s) (eg, hematoxylin and eosin, toluidine blue), head, neck, hands, feet, genitalia, or any location with surgery directly involving muscle, cartilage, bone, tendon, major nerves, or vessels; each additional stage after the first stage, up to 5 tissue blocks (List separately in addition to code for primary procedure)
13132: Repair, complex, forehead, cheeks, chin, mouth, neck, axillae, genitalia, hands and/or feet; 2.6 cm to 7.5 cm
13121: Repair, complex, scalp, arms, and/or legs; 2.6 cm to 7.5 cm
12032: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 2.6 cm to 7.5 cm
12042: Repair, intermediate, wounds of neck, hands, feet and/or external genitalia; 2.6 cm to 7.5 cm
13102: Repair, complex, trunk; each additional 5 cm or less (List separately in addition to code for primary procedure)
12031: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 2.5 cm or less
13120: Repair, complex, scalp, arms, and/or legs; 1.1 cm to 2.5 cm
12034: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 7.6 cm to 12.5 cm
12052: Repair, intermediate, wounds of face, ears, eyelids, nose, lips and/or mucous membranes; 2.6 cm to 5.0 cm
Also known as:
Removal of Benign Skin Lesions
Removal of Precancerous Skin Lesions
Removal of Non-Cancerous Skin Growth (1.1-2.0 cm)
Removal of Benign Skin Lesion (Trunk/Limbs)
Removal of Benign Skin Lesion
Removal of Precancerous Skin Spots
Skin Conditions
Benign Skin Growth Destruction
Skin Lesion Excision
Cryosurgery for Skin Lesions
Electrosurgery for Skin Lesions
Actinic Keratosis Treatment
Premalignant Lesion Destruction
Skin Cancer Prevention Treatment
Benign Skin Lesion Excision
Skin Tumor Removal (Benign)
Mole Removal (Non-Cancerous)
Benign Skin Growth Excision
Skin Lesion Removal Surgery
Mole Removal (Large)
Skin Lesion Biopsy and Removal
Excision of Non-Cancerous Skin Growth
Destruction of Actinic Keratoses
Precancerous Lesion Treatment
CPT Codes:
17110: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), of benign lesions other than skin tags or cutaneous vascular proliferative lesions; up to 14 lesions
11402: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 1.1 to 2.0 cm
17003: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), premalignant lesions (eg, actinic keratoses); second through 14 lesions, each (List separately in addition to code for first lesion)
11404: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 3.1 to 4.0 cm
11423: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), scalp, neck, hands, feet, genitalia; excised diameter 2.1 to 3.0 cm
17004: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), premalignant lesions (eg, actinic keratoses), 15 or more lesions
Also known as:
Complex Wound Repair on Torso (2.6-7.5 cm)
Complex Repair of Face Wounds
Complex Skin Repair (Face, Neck, Hands, Feet)
Trunk Wound Closure (Complex)
Deep Torso Laceration Repair
Complex Body Wound Stitching
Eyelid Repair
Nose Laceration Repair
Lip Wound Surgery
Complex Laceration Repair
Deep Wound Closure
Surgical Skin Repair
CPT Codes:
13101: Repair, complex, trunk; 2.6 cm to 7.5 cm
13152: Repair, complex, eyelids, nose, ears and/or lips; 2.6 cm to 7.5 cm
13131: Repair, complex, forehead, cheeks, chin, mouth, neck, axillae, genitalia, hands and/or feet; 1.1 cm to 2.5 cm
Also known as:
Injection for Skin Lesions (Up to 7)
Intralesional Injection
Lesion Injection Therapy
Steroid Injection for Skin Bumps
CPT Codes:
11900: Injection, intralesional; up to and including 7 lesions
Also known as:
Adjacent Tissue Transfer (Medium Defect)
Local Skin Flap
Tissue Rearrangement Surgery
Skin Reconstruction (Local)
Adjacent Tissue Graft
CPT Codes:
14021: Adjacent tissue transfer or rearrangement, scalp, arms and/or legs; defect 10.1 sq cm to 30.0 sq cm
Also known as:
Skin Flap Surgery (Medium Size)
Small Skin Flap Surgery (Scalp, Arms, or Legs)
Adjacent tissue transfer
Local flap surgery
Skin rearrangement
Adjacent Tissue Transfer
Local Flap Surgery
Skin Rearrangement Procedure
Small Defect Skin Repair
CPT Codes:
14041: Adjacent tissue transfer or rearrangement, forehead, cheeks, chin, mouth, neck, axillae, genitalia, hands and/or feet; defect 10.1 sq cm to 30.0 sq cm
14020: Adjacent tissue transfer or rearrangement, scalp, arms and/or legs; defect 10 sq cm or less
Also known as:
Full Thickness Skin Graft (Face)
Skin Substitute Graft (Small Area)
Adjacent Tissue Transfer (Trunk)
Skin Substitute Graft (Large Area)
Full Thickness Skin Graft (Small Area)
Facial Skin Graft
Free Skin Graft (Nose/Ears/Eyelids/Lips)
Full Thickness Graft for Face
Cosmetic Skin Graft (Face)
Artificial Skin Graft
Wound Covering Application
Skin Replacement Surgery
Skin Flap Surgery
Local Flap Reconstruction
Tissue Rearrangement Surgery
Skin Repair Surgery
Artificial skin graft
Wound covering application
Skin replacement for large wounds
Free skin graft
Skin transplant
Dermal graft
CPT Codes:
15260: Full thickness graft, free, including direct closure of donor site, nose, ears, eyelids, and/or lips; 20 sq cm or less
15275: Application of skin substitute graft to face, scalp, eyelids, mouth, neck, ears, orbits, genitalia, hands, feet, and/or multiple digits, total wound surface area up to 100 sq cm; first 25 sq cm or less wound surface area
14001: Adjacent tissue transfer or rearrangement, trunk; defect 10.1 sq cm to 30.0 sq cm
15273: Application of skin substitute graft to trunk, arms, legs, total wound surface area greater than or equal to 100 sq cm; first 100 sq cm wound surface area, or 1% of body area of infants and children
15220: Full thickness graft, free, including direct closure of donor site, scalp, arms, and/or legs; 20 sq cm or less
Also known as:
Facial Tissue Reconstruction
Facial Tissue Transfer (Eyelids, Nose, Ears, Lips)
Adjacent tissue flap surgery
Eyelid reconstruction
Nose reconstruction
Lip reconstruction
Local Flap Surgery
Adjacent Tissue Rearrangement
Facial Reconstruction
CPT Codes:
14061: Adjacent tissue transfer or rearrangement, eyelids, nose, ears and/or lips; defect 10.1 sq cm to 30.0 sq cm
14060: Adjacent tissue transfer or rearrangement, eyelids, nose, ears and/or lips; defect 10 sq cm or less
Also known as:
Skin Flap Surgery (Medium)
Adjacent Tissue Transfer (Additional Area)
Tissue Rearrangement Surgery
Local Flap Surgery
Skin Graft (Adjacent Tissue)
Skin Flap Surgery
Tissue Rearrangement
Local Flap Reconstruction
CPT Codes:
14301: Adjacent tissue transfer or rearrangement, any area; defect 30.1 sq cm to 60.0 sq cm
14302: Adjacent tissue transfer or rearrangement, any area; each additional 30.0 sq cm, or part thereof (List separately in addition to code for primary procedure)
Also known as:
Removal of Benign Skin Lesion
Small Benign Lesion Removal (Head/Extremities)
Large Benign Skin Lesion Removal
Benign Skin Growth Excision
Skin Lesion Removal Surgery
Mole Removal
Skin Tumor Excision
Benign Growth Excision (Scalp/Neck)
Hand/Foot Lesion Removal
Genital Lesion Excision
Skin Tumor Removal (Benign)
Large Skin Lesion Biopsy
CPT Codes:
11403: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter 2.1 to 3.0 cm
11422: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), scalp, neck, hands, feet, genitalia; excised diameter 1.1 to 2.0 cm
11406: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter over 4.0 cm
15271: Application of skin substitute graft to trunk, arms, legs, total wound surface area up to 100 sq cm; first 25 sq cm or less wound surface area
15272: Application of skin substitute graft to trunk, arms, legs, total wound surface area up to 100 sq cm; each additional 25 sq cm wound surface area, or part thereof (List separately in addition to code for primary procedure)
15274: Application of skin substitute graft to trunk, arms, legs, total wound surface area greater than or equal to 100 sq cm; each additional 100 sq cm wound surface area, or part thereof, or each additional 1% of body area of infants and children, or part thereof (List separately in addition to code for primary procedure)
Also known as:
Dermal Facial Chemical Peel
Dermal Chemical Peel (Non-Facial)
Deep Chemical Peel
Facial Skin Peel
Dermal Peel
Cosmetic Facial Peel
Deep chemical peel body
Body chemical exfoliation
Non-facial skin peel
CPT Codes:
15789: Chemical peel, facial; dermal
15793: Chemical peel, nonfacial; dermal
Also known as:
Skin Biopsy
Skin Biopsy (Additional Site)
Shave Biopsy
Tangential Biopsy
Skin Lesion Biopsy
Shave biopsy
Tangential skin biopsy
Scoop biopsy
CPT Codes:
11102: Tangential biopsy of skin (eg, shave, scoop, saucerize, curette); single lesion
11103: Tangential biopsy of skin (eg, shave, scoop, saucerize, curette); each separate/additional lesion (List separately in addition to code for primary procedure)
Also known as:
Skin Cancer Removal (Trunk, Arms, Legs)
Malignant Skin Lesion Removal
Malignant Lesion Excision
Skin Tumor Removal
Cancerous Mole Removal
Skin Cancer Excision
Malignant Mole Removal
Tumor Removal from Skin
Wide Excision of Skin Lesion
CPT Codes:
11603: Excision, malignant lesion including margins, trunk, arms, or legs; excised diameter 2.1 to 3.0 cm
11604: Excision, malignant lesion including margins, trunk, arms, or legs; excised diameter 3.1 to 4.0 cm
Also known as:
Skin Flap Surgery
Tissue Transfer
Local Flap Reconstruction
Adjacent Tissue Rearrangement
CPT Codes:
14040: Adjacent tissue transfer or rearrangement, forehead, cheeks, chin, mouth, neck, axillae, genitalia, hands and/or feet; defect 10 sq cm or less
Also known as:
Benign Facial Lesion Removal (1.1-2.0 cm)
Facial mole removal
Eyelid lesion excision
Lip lesion removal
Benign growth removal from face
CPT Codes:
11442: Excision, other benign lesion including margins, except skin tag (unless listed elsewhere), face, ears, eyelids, nose, lips, mucous membrane; excised diameter 1.1 to 2.0 cm
Also known as:
Chemical Cauterization of Granulation Tissue
Proud flesh removal
Chemical burn for wound overgrowth
Granulation tissue treatment
Wound cautery
CPT Codes:
17250: Chemical cauterization of granulation tissue (ie, proud flesh)
Also known as:
Complex Repair of Eyelid, Nose, Ear, or Lip (1.1-2.5 cm)
Facial Feature Complex Repair
Complex Wound Closure Face
Reconstructive Surgery Face
CPT Codes:
13151: Repair, complex, eyelids, nose, ears and/or lips; 1.1 cm to 2.5 cm
Also known as:
Large Malignant Skin Lesion Removal
Skin Cancer Excision
Large Malignant Growth Removal
Wide Excision of Skin Cancer
Trunk/Limb Skin Cancer Surgery
CPT Codes:
11606: Excision, malignant lesion including margins, trunk, arms, or legs; excised diameter over 4.0 cm
Also known as:
Goeckerman Treatment
Photochemotherapy
Tar and UV-B Therapy
Petrolatum and UV-B Therapy
Light Therapy for Skin
CPT Codes:
96910: Photochemotherapy; tar and ultraviolet B (Goeckerman treatment) or petrolatum and ultraviolet B
Also known as:
External Ear Biopsy
Outer Ear Biopsy
Ear Skin Biopsy
Ear Tissue Sample
CPT Codes:
69100: Biopsy external ear
Also known as:
Ear Cartilage Graft to Nose or Ear
Autogenous ear cartilage graft
Nose cartilage reconstruction
Ear reconstruction with own cartilage
Cartilage transplant for nose/ear
CPT Codes:
21235: Graft; ear cartilage, autogenous, to nose or ear (includes obtaining graft)
Does Dr. Chan accept my insurance?
Dr. Chan accepts most major insurance plans. Important: Please call our office at (626) 449-9992 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chan accept in Pasadena, CA?
Dr. Chan in Pasadena, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
What is Dr. Chan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Chan's National Provider Identifier (NPI) number is 1588714430.
What common questions do patients ask about Dr. Chan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Chan
What is Dr. Joanna Chan's specialty?
Dr. Chan is a MOHS-Micrographic Surgeon near Pasadena, CA.
Mohs Micrographic Surgery is conducted by specialized surgeons with expertise in dermatology and pathology. Their skills allow them to remove only diseased tissue while preserving healthy skin, minimizing cosmetic impact. Surgeons affiliated with the American College of Mohs Surgery (ACMS) have completed at least one year of fellowship training at an ACMS-accredited institution in the U.S. Contact Dr. Chan to book an appointment today.
Is this Dr. Joanna Chan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Chan is affiliated with Adventist Health White Memorial, San Gabriel Valley Medical Center, Huntington Hospital (Pasadena, CA) which are a Castle Connolly
Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their
excellence in specific medical procedures and overall patient care. They are identified through
a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise.
The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the
top 25% nationwide.
Castle Connolly Top Hospitals
Where can I learn more about MOHS-Micrographic Surgeon?
Explore MOHS-Micrographic Surgeon with insights from trusted medical experts on
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the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more.
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trusted information on medical conditions from our experts at Everyday Health.
Is Joanna Chan accepting new patients in Pasadena, CA?
Yes, Dr. Joanna Chan is accepting new patients at this time.
Does Dr. Joanna Chan offer online booking?
Please contact Dr. Chan's office at (626) 449-9992 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Joanna Chan?
Please contact Dr. Chan's office at (626) 449-9992 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Joanna Chan have?
Dr. Joanna Chan is certified by the American Board of Dermatology.