Nicholas Harreld Anton, MD
Internal Medicine Physician · Santa Rosa, CA
Nicholas Harreld Anton, MD is an internal medicine physician with a practice address in Santa Rosa, California, and NPI 1659364933, issued on Aug 23, 2005. Check the license (California C36268, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Nicholas Harreld Anton
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C36268 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Doyle Park Dr, Santa Rosa, CA 95405
- Phone
- (707) 544-3411
- Enumerated
- Aug 23, 2005
- Record last updated
- Jul 16, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (707) 544-0834
- Medicaid ID
- 00C362680 CA
- Entity
- Type 1 · individual
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Verify Nicholas Harreld Anton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C36268Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nicholas Harreld Anton among 17,696 internal medicine physician records in California
Nicholas Harreld Anton, MD is one of 17,696 internal medicine 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2009 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 internal medicine physician records list a practice address in Santa Rosa
They are 98 of the 6,884 NPPES records with a practice address in Santa Rosa, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,696 in California → Every provider in Santa Rosa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Bisbee, MDSanta Rosa, CA 954051235122516
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- David Charp, M.D.Santa Rosa, CA 954051053335208
- Catherine Davis, MDSanta Rosa, CA 954051497748776
- Marlon Decastro, M.D.Santa Rosa, CA 954051780643270
- John Hurwitz, DOSanta Rosa, CA 954051124018262
- Adina Logan, M.D.Santa Rosa, CA 954051881667178
- Larry Marianella, M.D.Santa Rosa, CA 954051144257486
Common questions
What is Nicholas Harreld Anton, MD's NPI number?
Nicholas Harreld Anton, MD's National Provider Identifier (NPI) is 1659364933, issued on Aug 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Harreld Anton, MD located?
The NPPES record lists a practice address at 500 Doyle Park Dr, Santa Rosa, CA, 95405. Phone: (707) 544-3411. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Harreld Anton, MD's license?
NPPES lists California license number C36268, 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.
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.