Amy Nham, DO
Family Medicine Physician · Davis, CA
Amy Nham, DO is a family medicine physician with a practice address in Davis, California, and NPI 1366146482, issued on Mar 30, 2023. Check the license (California 20A23264, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Amy Nham
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A23264 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2030 Sutter PL Ste 2000, Davis, CA 95616
- Phone
- (858) 220-4096
- Enumerated
- Mar 30, 2023
- Record last updated
- Jun 18, 2025
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2030 Sutter PL Ste 2000
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christiana KontaxisStudent in an Organized Health Care Education/Training Program1386293827
Verify Amy Nham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A23264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
137 Medicare Part D claims for 38 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 25 claims were for opioids.
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.
Amy Nham among 17,133 family medicine physician records in California
Amy Nham, DO is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 97% of them.
- NPI issued2023 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2025 · 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 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
96 family medicine physician records list a practice address in Davis
They are 96 of the 1,711 NPPES records with a practice address in Davis, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Davis → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lisa Baumeister, MDDavis, CA 956161952354805
- John Chuck, M.D.Davis, CA 956161164408704
- Rebecca Darsey, MDDavis, CA 956161447240916
- Wetona Eidson-Ton, M.D.Davis, CA 956161609851674
- Sarah Jones, MDDavis, CA 956161306882030
- Melissa Marshall, M.D.Davis, CA 956161477526291
- Karen Mo, M.D.Davis, CA 956161326023086
- Thomas Ormiston, MDDavis, CA 956161568498319
Common questions
What is Amy Nham, DO's NPI number?
Amy Nham, DO's National Provider Identifier (NPI) is 1366146482, issued on Mar 30, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Amy Nham, DO located?
The NPPES record lists a practice address at 2030 Sutter PL Ste 2000, Davis, CA, 95616. Phone: (858) 220-4096. Providers update this record themselves, so call before visiting.
How can I verify Amy Nham, DO's license?
NPPES lists California license number 20A23264, 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 Amy Nham, DO prescribe under Medicare Part D?
In 2024, Amy Nham, DO had 137 Medicare Part D claims for 38 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.