Frank J. Jonelis, MD
Dermatology Physician · San Francisco, CA
Frank J. Jonelis, MD is a dermatology physician with a practice address in San Francisco, California, and NPI 1245318849, issued on Nov 1, 2006. Check the license (California G28239, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Frank J. Jonelis
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- G28239 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2200 Ofarrell St, San Francisco, CA 94115
- Phone
- (415) 833-2000
- Enumerated
- Nov 1, 2006
- Record last updated
- Nov 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G282390 CA
- Medicare enrollment
- Enrolled (PECOS I20101202000546); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1973
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 2200 Ofarrell St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Frank J. Jonelis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G28239Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average dermatology physician in 2024
491 Medicare Part D claims for 162 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Clobetasol Propionate69 claims
- Otezla50 claims
- Hydrocortisone43 claims
- Fluorouracil38 claims
- Triamcinolone Acetonide38 claims
- Calcipotriene32 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Permanente Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Frank J. Jonelis among 2,083 dermatology physician records in California
Frank J. Jonelis, MD is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1973 · median 2006 among the 1,450 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in San Francisco → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Timothy Berger, MDSan Francisco, CA 941151124079181
- Kerry Blacker, MDSan Francisco, CA 941151841378452
- Mary Connolly, MDSan Francisco, CA 941151942265772
- Quita Cruciger, M.D.San Francisco, CA 941151629161245
- Lindy Fox, MDSan Francisco, CA 941151790738953
- Anna Haemel, M.D.San Francisco, CA 941151962448522
- Mohammed Kashani-Sabet, M.D.San Francisco, CA 941151629026174
- Amelia Kaymen, MDSan Francisco, CA 941151720170780
Common questions
What is Frank J. Jonelis, MD's NPI number?
Frank J. Jonelis, MD's National Provider Identifier (NPI) is 1245318849, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Frank J. Jonelis, MD located?
The NPPES record lists a practice address at 2200 Ofarrell St, San Francisco, CA, 94115. Phone: (415) 833-2000. Providers update this record themselves, so call before visiting.
How can I verify Frank J. Jonelis, MD's license?
NPPES lists California license number G28239, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Frank J. Jonelis, MD prescribe under Medicare Part D?
In 2024, Frank J. Jonelis, MD had 491 Medicare Part D claims for 162 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.