David Gregory Moskowitz, M.D.
Dermatology Physician · San Rafael, CA
David Gregory Moskowitz, M.D. is a dermatology physician with a practice address in San Rafael, California, and NPI 1003933169, issued on Mar 23, 2007. Check the license (California A100698, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Gregory Moskowitz
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A100698 CA
Self-reported in NPPES; status is on the state search - Practice location
- 99 Montecillo RD, San Rafael, CA 94903
- Phone
- (415) 444-2939
- Enumerated
- Mar 23, 2007
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20071018000875); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 99 Montecillo RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Gregory Moskowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average dermatology physician in 2024
840 Medicare Part D claims for 362 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Fluocinonide102 claims
- Fluorouracil91 claims
- Clobetasol Propionate88 claims
- Calcipotriene75 claims
- Metronidazole45 claims
- Triamcinolone Acetonide44 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 Rafael, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Gregory Moskowitz among 2,083 dermatology physician records in California
David Gregory Moskowitz, M.D. 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 45% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2002 · median 2006 among the 1,450 with a school on file
- Record last updated2022 · 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 Rafael → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Kristen Chen, MDSan Rafael, CA 949031952930604
- Ravinder Gogia, MDSan Rafael, CA 949031083872618
- Julia Haimowitz, MDSan Rafael, CA 949031205910205
- Renee Howard, M.D.San Rafael, CA 949031952336232
- Linda Hwang, MDSan Rafael, CA 949031124102116
- Estelle Kahn, MDSan Rafael, CA 949031336465517
- Kevin Kim, M.D./PH.D.San Rafael, CA 949031063755734
- Amy Kobalter, M.D.San Rafael, CA 949031902830623
Common questions
What is David Gregory Moskowitz, M.D.'s NPI number?
David Gregory Moskowitz, M.D.'s National Provider Identifier (NPI) is 1003933169, issued on Mar 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David Gregory Moskowitz, M.D. located?
The NPPES record lists a practice address at 99 Montecillo RD, San Rafael, CA, 94903. Phone: (415) 444-2939. Providers update this record themselves, so call before visiting.
How can I verify David Gregory Moskowitz, M.D.'s license?
NPPES lists California license number A100698, 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 David Gregory Moskowitz, M.D. prescribe under Medicare Part D?
In 2024, David Gregory Moskowitz, M.D. had 840 Medicare Part D claims for 362 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.