Arthur Stanley Zimmermann, M.D.
Dermatology Physician · Upland, CA
Arthur Stanley Zimmermann, M.D. is a dermatology physician with a practice address in Upland, California, and NPI 1447273040, issued on Jul 25, 2006. Check the license (California G339270, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Arthur Stanley Zimmermann
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- G339270 CA
Self-reported in NPPES; status is on the state search - Practice location
- 930 E Foothill Blvd, Upland, CA 91786
- Phone
- (909) 946-7271
- Enumerated
- Jul 25, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (909) 949-0831
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 930 E Foothill Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Arthur Stanley Zimmermann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G339270Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average dermatology physician in 2024
43 Medicare Part D claims, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
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.
Arthur Stanley Zimmermann among 2,083 dermatology physician records in California
Arthur Stanley Zimmermann, 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 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 updated2023 · 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 Upland → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Steven Chow, MDUpland, CA 917861720131741
- Tamuyen Nguyen, M.D.Upland, CA 917861710041686
- Jeffrey Rebish, MDUpland, CA 917861558452425
- Sandra Rebish, MDUpland, CA 917861235252289
- Richard Chu, MDWest Covina, CA 917901952405102
- Sid Danesh, M.D.San Gabriel, CA 917761063447134
- Lawrence Schall, MDAlhambra, CA 918011376651125
- Christopher Harper, M.D.Pomona, CA 917671013150630
Common questions
What is Arthur Stanley Zimmermann, M.D.'s NPI number?
Arthur Stanley Zimmermann, M.D.'s National Provider Identifier (NPI) is 1447273040, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arthur Stanley Zimmermann, M.D. located?
The NPPES record lists a practice address at 930 E Foothill Blvd, Upland, CA, 91786. Phone: (909) 946-7271. Providers update this record themselves, so call before visiting.
How can I verify Arthur Stanley Zimmermann, M.D.'s license?
NPPES lists California license number G339270, 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 Arthur Stanley Zimmermann, M.D. prescribe under Medicare Part D?
In 2024, Arthur Stanley Zimmermann, M.D. had 43 Medicare Part D claims; 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.