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Dr. Lothar Mcmillian, MD

San Clemente, CA

35 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Mcmillian, Family Medicine Specialist in San Clemente, CA?

    Dr. Lothar Mcmillian, MD is a Family Medicine Specialist, who primarily practices in San Clemente, CA with 2 additional practice locations. He has been practicing for over 35 years and is board certified. Dr. Mcmillian graduated from Ross University School Of Medicine and completed his residency at Delaware Psychiatric Center Program. Dr. Mcmillian is fluent in English and German, and is currently seeing new patients. Dr. Mcmillian’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Mcmillian’s office at (909) 941-0247.

    Where did Dr. Mcmillian go to medical school and complete their residency?

    • Residency: Delaware Psychiatric Center Program

    • Medical School: Ross University School Of Medicine, Roseau, Commonwealth Of Dominica, West Indies | Ross University School Of Medicine

    Is Dr. Mcmillian board certified as a Family Medicine Specialist?

    Yes, Dr. Lothar Mcmillian, MD is board certified by the American Board of Family Medicine

    What languages does Dr. Mcmillian speak?

    Dr. Mcmillian and their clinical team can communicate with patients in the following languages:

    • English

    • German

    What conditions does Dr. Mcmillian treat?

    As a Family Medicine Specialist, Dr. Mcmillian 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. Mcmillian. 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:

    • General Disorder Screening
    • Health Screening
    • General Health Check
    • Disease Screening
    • Medical Disorder Screening

    ICD-10 Codes:

    • Z1389: Encounter for screening for other disorder

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • High Blood Pressure
    • Hypertension
    • Primary Hypertension
    • Essential Hypertension

    ICD-10 Codes:

    • I10: Essential (primary) hypertension

    Also known as:

    • Routine Adult Health Checkup
    • Health Checkup
    • Adult physical exam
    • Annual wellness visit for adults
    • General adult medical exam

    ICD-10 Codes:

    • Z0000: Encounter for general adult medical examination without abnormal findings

    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:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • History of Other Medical Treatment
    • Past Medical Procedures
    • Previous Medical Care
    • History of Past Treatments

    ICD-10 Codes:

    • Z9289: Personal history of other medical treatment

    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:

    • Hypothyroidism
    • Congenital hypothyroidism
    • Hypothyroidism (Underactive Thyroid)
    • Underactive Thyroid
    • Low Thyroid Function

    ICD-10 Codes:

    • E039: Hypothyroidism, unspecified

    Also known as:

    • Mammogram for Breast Cancer Screening
    • Health Screening
    • Mammography
    • Breast Cancer Screening (PDQ®)
    • Mammograms
    • Breast X-ray
    • Breast Cancer Check

    ICD-10 Codes:

    • Z1231: Encounter for screening mammogram for malignant neoplasm of breast

    Also known as:

    • Other Pre-Procedure Examination
    • Various pre-op checks
    • Miscellaneous pre-surgery exams
    • Other pre-treatment assessments

    ICD-10 Codes:

    • Z01818: Encounter for other preprocedural examination

    Also known as:

    • Urinary Tract Infection
    • UTI
    • Bladder infection
    • Kidney infection
    • Urine infection

    ICD-10 Codes:

    • N390: Urinary tract infection, site not specified

    Also known as:

    • Mixed High Cholesterol and Triglycerides
    • Cholesterol
    • Triglycerides
    • Mixed hyperlipidemia
    • Combined hyperlipidemia
    • High lipids

    ICD-10 Codes:

    • E782: Mixed hyperlipidemia

    Also known as:

    • Type 2 Diabetes with High Blood Sugar
    • Diabetes Type 2
    • Hyperglycemia
    • Type 2 diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels

    ICD-10 Codes:

    • E1165: Type 2 diabetes mellitus with hyperglycemia

    Also known as:

    • Common Cold
    • Upper Respiratory Infection
    • Head Cold
    • Cold Symptoms

    ICD-10 Codes:

    • J069: Acute upper respiratory infection, unspecified

    Also known as:

    • Prediabetes
    • Insulin Resistance & Prediabetes
    • Borderline diabetes
    • Insulin resistance
    • High blood sugar (not yet diabetes)

    ICD-10 Codes:

    • R7303: Prediabetes

    Also known as:

    • Low Back Pain
    • Back Pain
    • Lumbago
    • Lower Back Ache
    • Backache

    ICD-10 Codes:

    • M5450: Low back pain, unspecified

    Also known as:

    • Seborrheic Keratosis
    • Benign Tumor
    • Skin Condition
    • SK
    • Senile Wart
    • Barnacle of Life

    ICD-10 Codes:

    • L821: Other seborrheic keratosis

    Also known as:

    • COVID-19
    • COVID-19 (Coronavirus Disease 2019)
    • Coronavirus Disease 2019
    • SARS-CoV-2 Infection
    • Novel Coronavirus

    ICD-10 Codes:

    • U071: COVID-19

    Also known as:

    • Painful Urination
    • Urine and Urination
    • Dysuria
    • Burning when peeing
    • Stinging during urination

    ICD-10 Codes:

    • R300: Dysuria

    What procedures does Dr. Mcmillian perform?

    As a Family Medicine Specialist, Dr. Mcmillian 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. Mcmillian. 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:

    • 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:

    • Removal of Benign Skin Lesions
    • Removal of Precancerous Skin Spots
    • Removal of Precancerous Skin Lesions
    • Skin Conditions
    • Benign Skin Growth Destruction
    • Skin Lesion Excision
    • Cryosurgery for Skin Lesions
    • Electrosurgery for Skin Lesions
    • Destruction of Actinic Keratoses
    • Precancerous Lesion Treatment
    • Actinic Keratosis Treatment
    • Premalignant Lesion Destruction
    • Skin Cancer Prevention 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
    • 17004: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), premalignant lesions (eg, actinic keratoses), 15 or more lesions
    • 17000: Destruction (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery, surgical curettement), premalignant lesions (eg, actinic keratoses); first lesion

    Also known as:

    • Skin Biopsy
    • Skin Biopsy (Punch)
    • Shave Biopsy
    • Tangential Biopsy
    • Skin Lesion Biopsy
    • Punch Biopsy
    • Dermal Punch Biopsy

    CPT Codes:

    • 11102: Tangential biopsy of skin (eg, shave, scoop, saucerize, curette); single lesion
    • 11104: Punch biopsy of skin (including simple closure, when performed); single lesion

    Also known as:

    • Large Skin Cancer Removal from Face
    • Malignant Skin Lesion Removal
    • Malignant Lesion Excision
    • Facial Skin Cancer Surgery
    • Excision of Skin Tumor
    • Face Cancer Removal
    • Skin Cancer Excision
    • Malignant Mole Removal
    • Tumor Removal from Skin
    • Wide Excision of Skin Lesion

    CPT Codes:

    • 11646: Excision, malignant lesion including margins, face, ears, eyelids, nose, lips; excised diameter over 4.0 cm
    • 11604: Excision, malignant lesion including margins, trunk, arms, or legs; excised diameter 3.1 to 4.0 cm

    Also known as:

    • Large Benign Skin Lesion Removal
    • Benign Skin Growth Excision
    • Skin Tumor Removal (Benign)
    • Large Skin Lesion Biopsy

    CPT Codes:

    • 11406: Excision, benign lesion including margins, except skin tag (unless listed elsewhere), trunk, arms or legs; excised diameter over 4.0 cm

    Also known as:

    • Large Skin Cancer Removal
    • Malignant Lesion Excision
    • Skin Tumor Removal
    • Wide Excision of Skin Cancer

    CPT Codes:

    • 11626: Excision, malignant lesion including margins, scalp, neck, hands, feet, genitalia; excised diameter over 4.0 cm

    Also known as:

    • Colonoscopy with Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening

    CPT Codes:

    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 45380: Colonoscopy, flexible; with biopsy, single or multiple

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Cataract Removal with Lens Implant
    • Extracapsular cataract extraction
    • Phacoemulsification
    • IOL implantation

    CPT Codes:

    • 66984: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification); without endoscopic cyclophotocoagulation

    Also known as:

    • Eye Injection
    • Intravitreal Injection
    • Retinal Injection
    • Macular Degeneration Injection
    • Eye Medication Injection

    CPT Codes:

    • 67028: Intravitreal injection of a pharmacologic agent (separate procedure)

    Also known as:

    • Lumbar or Sacral Epidural Injection with Imaging
    • Epidural Steroid Injection
    • Caudal Epidural Injection
    • Spinal Nerve Block
    • Pain Management Injection

    CPT Codes:

    • 62323: Injection(s), of diagnostic or therapeutic substance(s) (eg, anesthetic, antispasmodic, opioid, steroid, other solution), not including neurolytic substances, including needle or catheter placement, interlaminar epidural or subarachnoid, lumbar or sacral (caudal); with imaging guidance (ie, fluoroscopy or CT)

    Also known as:

    • Ear Wax Removal (Irrigation)
    • Impacted earwax removal
    • Ear lavage
    • Ear syringing

    CPT Codes:

    • 69209: Removal impacted cerumen using irrigation/lavage, unilateral

    Also known as:

    • Joint or Bursa Injection/Fluid Removal
    • Arthrocentesis
    • Major Joint Aspiration
    • Bursa Injection
    • Joint Fluid Removal

    CPT Codes:

    • 20610: Arthrocentesis, aspiration and/or injection, major joint or bursa (eg, shoulder, hip, knee, subacromial bursa); without ultrasound guidance

    Also known as:

    • Individual Speech and Language Therapy
    • Speech-Language Pathology
    • Voice Therapy
    • Communication Disorder Treatment
    • Auditory Processing Therapy

    CPT Codes:

    • 92507: Treatment Of Speech, Language, Voice, Communication, And/Or Auditory Processing Disorder; Individual

    Does Dr. Mcmillian accept my insurance?

    Dr. Mcmillian accepts most major insurance plans. Important: Please call our office at (909) 941-0247 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Mcmillian accept in San Clemente, CA?

    Dr. Mcmillian in San Clemente, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • All Other Third Party

    • Centene

    • Crown Cork and Seal Company

    • Humana

    • Medicare

    • Monarch HealthCare

    • OptumRx

    • Other Health Care Provider

    • State of Tennessee

    • UnitedHealthcare

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    Where is Dr. Mcmillian's office located?

    Dr. Lothar Mcmillian's Primary Practice

    724 S El Camino Real

    San Clemente, CA 92672

    (909) 941-0247

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    Dr. Lothar Mcmillian's Practice 2

    7777 Milliken Ave Ste 240

    Rancho Cucamonga, CA 91730

    Get Directions

    Dr. Lothar Mcmillian's Practice 3

    32312 Camino Capistrano

    San Juan Capistrano, CA 92675

    (949) 489-9112

    Get Directions

    What is Dr. Mcmillian's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Mcmillian's National Provider Identifier (NPI) number is 1588748891.

    What common questions do patients ask about Dr. Mcmillian?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Mcmillian

    What is Dr. Lothar Mcmillian's specialty?

    Dr. Mcmillian is a Family Medicine Specialist near San Clemente, CA. Family Medicine is a medical specialty focused on comprehensive healthcare for individuals and families. It is a broad field that integrates biological, clinical, and behavioral sciences. The scope of family medicine covers all ages, genders, organ systems, and disease conditions, offering a holistic approach to patient care. Contact Dr. Mcmillian to book an appointment today.

    Is this Dr. Lothar Mcmillian affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Mcmillian is affiliated with Providence Mission Hospital Mission Viejo, UCI Medical Center, Hoag Hospital Newport Beach, Orange County Global Medical Center 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 Family Medicine Specialist?

    Explore Family Medicine Specialist with 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 Lothar Mcmillian accepting new patients in San Clemente, CA?

    Yes, Dr. Lothar Mcmillian is accepting new patients at this time.

    Does Dr. Lothar Mcmillian offer online booking?

    Please contact Dr. Mcmillian's office at (909) 941-0247 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Lothar Mcmillian?

    Please contact Dr. Mcmillian's office at (909) 941-0247 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Lothar Mcmillian have?

    Dr. Lothar Mcmillian is certified by the American Board of Family Medicine.

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