Dr. Mark Willoughby, M.D.
Dermatology
21+
Years in Practice
Practice Locations
1 location
About Dr. Mark Willoughby
Mark Willoughby, M.D. is a healthcare provider with 21 years of experience.
Specialty Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
29
Years Experience
1
Location
1
States Licensed
Credentials & Board Certifications
Primary Specialty
DermatologyCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
Ohio State University College Of Medicine
Class of 1997
Licenses & Practice States
Licensed in 1 state
| State | License | Classification | Primary |
|---|---|---|---|
| California | A69750 | Dermatology |
Public Data Summary for Dr. Mark Willoughby
With 21 years of practice, Dr. Mark Willoughby is an established dermatology provider, M.D., after earning their medical degree at Ohio State University College Of Medicine in 1997. Dr. currently practices at Sharp Rees-stealy Medical Group Inc in Chula Vista, California. Their National Provider Identifier (NPI) is 1215931993, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
CMS Medicare data shows Dr. Mark Willoughby as a high-volume dermatology provider, treating approximately 2K Medicare beneficiaries and delivering 24K services in the most recent reporting year. That panel size indicates sustained experience with complex Medicare cases.
Under the Physician Payments Sunshine Act, CMS reports that Dr. Mark Willoughby received $763 in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.
Transparency & Safety
Public records from CMS and OIG databases
Industry Payments
$763
Total payments received from pharmaceutical and medical device companies in 2023.
Source: CMS Open Payments (Sunshine Act)
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. Mark Willoughby
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0 reviews
Dermatology Providers Nearby
Same primary specialty near ZIP 91910
FAQ
Frequently asked questions about Dr. Mark Willoughby
What does Dr. Mark Willoughby specialize in?
Dr. Mark Willoughby specializes in Dermatology.
Where does Dr. Mark Willoughby practice?
Dr. Mark Willoughby practices at Sharp Rees-stealy Medical Group Inc in Chula Vista, California.
Does Dr. Mark Willoughby accept Medicare?
CMS records show that Dr. Mark Willoughby accepts Medicare assignment. CMS billing data shows 2K Medicare beneficiaries treated in the most recent reporting year.
What is Dr. Mark Willoughby's NPI number?
Dr. Mark Willoughby's National Provider Identifier (NPI) is 1215931993. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. Mark Willoughby been practicing?
Dr. Mark Willoughby has approximately 21 years of practice experience, having graduated from Ohio State University College Of Medicine in 1997.