Robert Louis Anderson, M.D.

Ophthalmology Physician · Santa Rosa, CA

Robert Louis Anderson, M.D. is an ophthalmology physician with a practice address in Santa Rosa, California, and NPI 1801874144, issued on Jan 6, 2006. Check the license (California G49374, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026

1801874144

Name: Robert Louis Anderson
Credential: M.D.
Primary taxonomy: Ophthalmology Physician 207W00000X
License number: G49374 CA
Self-reported in NPPES; status is on the state search
Practice location: 1017 2ND St, Santa Rosa, CA 95404
Phone: (707) 546-9800
Enumerated: Jan 6, 2006
Record last updated: Jun 20, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax: (707) 546-4112
Medicaid ID: 00G493740 CA
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 ophthalmology physician records → All 2,899 in California → Look up another NPI →

Also registered at 1017 2ND St

A shared address usually means a shared clinic or building; it does not show who employs whom.

Kalane Wong, M.D.Ophthalmology Physician1114905494

Verify Robert Louis Anderson in five checks

1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
2LicenseActive license and public ordersMedical Board of California
Search for license G49374Check the board
3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
5CertificationBoard certificationABMS AOA NCCPA AANPNot checked

Open the California license search

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Robert Louis Anderson among 2,899 ophthalmology physician records in California

Robert Louis Anderson, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 9% of them.

NPI issued2006 · 9% of these records are older, 45% newer
In a Medicare fileNo · 79% of these records are
In the CMS Doctors and Clinicians fileNo · 66% of these records are
Record last updated2012 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,899 in California → Every provider in Santa Rosa → Ophthalmology Physician nationwide →

The 8 ophthalmology physician records with the nearest ZIP codes

Dan Lightfoot, M.D.Santa Rosa, CA 954041023008075
David Lightfoot, M.D.Santa Rosa, CA 954041649260696
Jesse Rathbun, M.D.Santa Rosa, CA 954041114492162
David Ulmer, M.D.Santa Rosa, CA 954041720042617
Kalane Wong, M.D.Santa Rosa, CA 954041114905494
Robert Yohai, M.D.Santa Rosa, CA 954041023030301
Arwa Alsamarae, M.D.Santa Rosa, CA 954031487072534
Venkatesh Brahma, M.D.Santa Rosa, CA 954031760877906

Common questions

What is Robert Louis Anderson, M.D.'s NPI number?

Robert Louis Anderson, M.D.'s National Provider Identifier (NPI) is 1801874144, issued on Jan 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Louis Anderson, M.D. located?

The NPPES record lists a practice address at 1017 2ND St, Santa Rosa, CA, 95404. Phone: (707) 546-9800. Providers update this record themselves, so call before visiting.

How can I verify Robert Louis Anderson, M.D.'s license?

NPPES lists California license number G49374, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.