Samuel Fred Ellison, MD
Dermatology Physician · San Francisco, CA
Samuel Fred Ellison, MD is a dermatology physician with a practice address in San Francisco, California, and NPI 1336228436, issued on Nov 2, 2006. Check the license (California A41459, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Samuel Fred Ellison
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A41459 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2001 Union St, San Francisco, CA 94123
- Phone
- (415) 922-3344
- Enumerated
- Nov 2, 2006
- Record last updated
- Mar 11, 2024
- Fax
- (415) 921-7759
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 2001 Union St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Samuel Fred Ellison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A41459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average dermatology physician in 2024
559 Medicare Part D claims for 183 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
Most prescribed
- Triamcinolone Acetonide79 claims
- Ketoconazole78 claims
- Fluocinonide74 claims
- Betamethasone Dipropionate56 claims
- Mupirocin43 claims
- Hydrocortisone30 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.
Industry payments in 2024: $1,391.17
46 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Samuel Fred Ellison among 2,083 dermatology physician records in California
Samuel Fred Ellison, 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 fileNo · 70% of these records are
- Record last updated2024 · 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
- Aaron Chen, D.O.San Francisco, CA 941231780043703
- Peter Panagotacos, M.D.San Francisco, CA 941231740302868
- Greta Clarke, MDSan Francisco, CA 941211912059494
- Peter Elias, M.D.San Francisco, CA 941211386785681
- Theodora Mauro, M.D.San Francisco, CA 941211285609040
- Dennis Oh, M.D.San Francisco, CA 941211710953047
- Maria Wei, M.D., PH.D.San Francisco, CA 941211689640864
- Deirdre Alexander, M.D.San Francisco, CA 941181033491873
Common questions
What is Samuel Fred Ellison, MD's NPI number?
Samuel Fred Ellison, MD's National Provider Identifier (NPI) is 1336228436, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Fred Ellison, MD located?
The NPPES record lists a practice address at 2001 Union St, San Francisco, CA, 94123. Phone: (415) 922-3344. Providers update this record themselves, so call before visiting.
How can I verify Samuel Fred Ellison, MD's license?
NPPES lists California license number A41459, 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 Samuel Fred Ellison, MD prescribe under Medicare Part D?
In 2024, Samuel Fred Ellison, MD had 559 Medicare Part D claims for 183 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.