NPPES file of Aug 9, 2026

Robert Emerson Feiss, M.D.

Geriatric Medicine (Family Medicine) Physician · Ojai, CA

Robert Emerson Feiss, M.D. is a geriatric medicine (family medicine) physician with a practice address in Ojai, California, and NPI 1932116092, issued on Aug 2, 2006. Check the license (California G48219, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932116092
Name
Robert Emerson Feiss
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Family Medicine) Physician 207QG0300X
License number
G48219 CA
Self-reported in NPPES; status is on the state search
Practice location
910 EL Toro RD, Ojai, CA 93023
Phone
(805) 758-7408
Enumerated
Aug 2, 2006
Record last updated
Jan 28, 2017 (not updated in 9 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest geriatric medicine (family medicine) physician records → All 243 in California → Look up another NPI →

Verify Robert Emerson Feiss in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G48219    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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100% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024

12 Medicare Part D claims, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D.

  1. Robert Feiss12
  2. Specialty average5,222

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.

Robert Emerson Feiss among 243 geriatric medicine (family medicine) physician records in California

Robert Emerson Feiss, M.D. is one of 243 geriatric medicine (family medicine) physician records with a practice address in California. 76% 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, 53% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 46% of these records are
  • Record last updated2017 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Family Medicine) Physician providers in California

There are 243 geriatric medicine (family medicine) physician records in California.

All 243 in California → Every provider in Ojai → Geriatric Medicine (Family Medicine) Physician nationwide →

The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes

  1. Maziar GoshtasbiOjai, CA 930231568992436
  2. Bruce Woodling, M.D.Ventura, CA 930031457433971
  3. Julio Diaz, MDSanta Barbara, CA 931031801880638
  4. Krystle Irvine, MDGoleta, CA 931111912585100
  5. Nagina Abdiani, DOOrange, CA 928681518543271
  6. Edna Biddy, M.D.Orange, CA 928681407295702
  7. Bhavana Gandotra, MDOrange, CA 928681891971156
  8. Renee Pace, MDOrange, CA 928681629423512

Common questions

What is Robert Emerson Feiss, M.D.'s NPI number?

Robert Emerson Feiss, M.D.'s National Provider Identifier (NPI) is 1932116092, issued on Aug 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Emerson Feiss, M.D. located?

The NPPES record lists a practice address at 910 EL Toro RD, Ojai, CA, 93023. Phone: (805) 758-7408. Providers update this record themselves, so call before visiting.

How can I verify Robert Emerson Feiss, M.D.'s license?

NPPES lists California license number G48219, 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 Robert Emerson Feiss, M.D. prescribe under Medicare Part D?

In 2024, Robert Emerson Feiss, M.D. had 12 Medicare Part D claims; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.