
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Bortz, MOHS-Micrographic Surgeon in Walnut Creek, CA?
Dr. Jeffrey Bortz, MD is a MOHS-Micrographic Surgeon, who primarily practices in Walnut Creek, CA. He is board certified. Dr. Bortz completed his residency at Stanford Univ Hosp, Dermatology; Boston Univ Med Ctr/Univ Hp, Internal Medicine. Dr. Bortz is fluent in English and Spanish, and is currently seeing new patients. Dr. Bortz’s practice accepts Kaiser Permanente, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Bortz’s office at (925) 932-7704.
What are Areas of Expertise for Dr. Bortz?
Dr. Jeffrey Bortz, MD is a highly-rated, board-certified MOHS-Micrographic Surgeon known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Bortz empowers patients to confidently navigate their health journey, specializing in Mohs Surgery, Skin Cancer, and comprehensive wellness support. Serving the Walnut Creek, CA community, Dr. Bortz is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Bortz go to medical school and complete their residency?
Residency: Stanford Univ Hosp, Dermatology; Boston Univ Med Ctr/Univ Hp, Internal Medicine | Stanford University Hospital | Stanford University, Medical Oncology
Medical School: University Of Ia Coll Of Med- Iowa City Ia | Roy J Lucille A Carver College of Medicine At University of Iowa,Iowa City, Ia, United States
Is Dr. Bortz board certified as a MOHS-Micrographic Surgeon?
Yes, Dr. Jeffrey Bortz, MD is board certified by the American Board of Dermatology
What languages does Dr. Bortz speak?
Dr. Bortz and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a MOHS-Micrographic Surgeon like Dr. Bortz typically treat?
As a MOHS-Micrographic Surgeon, Dr. Bortz 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. Bortz. 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. Learn more about our claims-based healthcare methodology.
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:
- Skin Tumor of Uncertain Behavior
- Skin Condition
- Skin Neoplasm
- Skin Growth
- Uncertain Skin Lesion
ICD-10 Codes:
- D485: Neoplasm of uncertain behavior of skin
Also known as:
- Mole
- Birthmarks
- Moles
- Common Moles, Dysplastic Nevi, and Risk of Melanoma
- Nevus
- Birthmark
- Skin spot
ICD-10 Codes:
- D225: Melanocytic nevi of trunk
Also known as:
- Dark Skin Patches
- Skin Pigmentation Disorder
- Hyperpigmentation
- Melasma
- Age spots
ICD-10 Codes:
- L814: Other melanin hyperpigmentation
What procedures does a MOHS-Micrographic Surgeon like Dr. Bortz typically perform?
As a MOHS-Micrographic Surgeon, Dr. Bortz 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. Bortz. 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Removal of Precancerous Skin Lesions
- Removal of Benign Skin Lesions
- Skin Conditions
- Actinic Keratosis Treatment
- Premalignant Lesion Destruction
- Skin Cancer Prevention Treatment
- Cryosurgery for Skin Lesions
- Benign Skin Growth Destruction
- Skin Lesion Excision
- Electrosurgery for Skin Lesions
CPT Codes:
- 17000: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), premalignant lesions (eg, actinic keratoses); first lesion
- 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
- 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)
Also known as:
- Mohs Micrographic Surgery
- Mohs Surgery
- Micrographic Skin Cancer Surgery
- Mohs Excision
- Precision Skin Cancer Removal
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
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)
Also known as:
- Skin Biopsy
- Shave Biopsy
- Tangential Biopsy
- Skin Lesion Biopsy
CPT Codes:
- 11102: Tangential biopsy of skin (eg, shave, scoop, saucerize, curette); single lesion
Also known as:
- Intermediate Wound Repair (Body)
- Wounds and Injuries
- Laceration Repair (Body)
- Surgical Wound Closure (Trunk/Limbs)
- Deep Wound Stitching (Body)
CPT Codes:
- 12032: Repair, intermediate, wounds of scalp, axillae, trunk and/or extremities (excluding hands and feet); 2.6 cm to 7.5 cm
Does Dr. Bortz accept my insurance?
Dr. Bortz accepts most major insurance plans. Important: Please call our office at (925) 932-7704 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Bortz accept in Walnut Creek, CA?
Dr. Bortz in Walnut Creek, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Alignment Healthcare
All Other Third Party
Centene Corporation
CVS Health (formerly Aetna)
Hill Physicians Medical Group
Medicare
Molina Healthcare
Other Health Care Provider
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Bortz's office located?
Dr. Jeffrey Bortz's Primary Practice
355 Lennon Ln Ste 255
Walnut Creek, CA 94598
(925) 932-7704
What is Dr. Bortz's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Bortz's National Provider Identifier (NPI) number is 1710191382.
What common questions do patients ask about Dr. Bortz?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Bortz
What is Dr. Jeffrey Bortz's specialty?
Dr. Bortz is a MOHS-Micrographic Surgeon near Walnut Creek, CA.
What does a MOHS-Micrographic Surgeon do?
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.
Is this Dr. Jeffrey Bortz affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Bortz is affiliated with John Muir Health Walnut Creek Medical Center which is a Castle Connolly Top Hospital. 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
When to see a MOHS-Micrographic Surgeon?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a MOHS-Micrographic Surgeon. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Jeffrey Bortz accepting new patients in Walnut Creek, CA?
Yes, Dr. Jeffrey Bortz is accepting new patients at this time.
Does Dr. Jeffrey Bortz offer online booking?
Please contact Dr. Bortz's office at (925) 932-7704 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Jeffrey Bortz?
Please contact Dr. Bortz's office at (925) 932-7704 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Jeffrey Bortz have?
Dr. Jeffrey Bortz is certified by the American Board of Dermatology.
Other MOHS-Micrographic Surgeon Near Walnut Creek, CA

MOHS-Micrographic Surgeon
Dr. Gregory Bricca, MD is a MOHS-Micrographic Surgeon, who primarily practices in Roseville, CA with 1 additional practice location. He has been practicing for over 21 years and is board certified.
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MOHS-Micrographic Surgeon
Dr. Michael Trauner, MD is a MOHS-Micrographic Surgeon, who primarily practices in Sacramento, CA with 2 additional practice locations. He is board certified.
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Dermatologist
Dr. Carie Chui, MD is a Dermatologist, who primarily practices in San Mateo, CA with 1 additional practice location. She has been practicing for over 31 years and is board certified.
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