Nikki Martin, MD
Internal Medicine Physician · Santa Cruz, CA
Nikki Martin, MD is an internal medicine physician with a practice address in Santa Cruz, California, and NPI 1851317945, issued on Jul 14, 2006. Check the license (California A35728, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nikki Martin
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A35728 CA
A035728 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1080 Emeline Ave, Santa Cruz, CA 95060
- Phone
- (831) 454-4100
- Enumerated
- Jul 14, 2006
- Record last updated
- Aug 29, 2023
- Fax
- (831) 454-4488
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1080 Emeline Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nikki Martin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A35728Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
75 Medicare Part D claims for 51 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Azithromycin11 claims
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.
Nikki Martin among 17,696 internal medicine physician records in California
Nikki Martin, 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. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2023 · 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).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Cruz → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Claire Helbig, MDSanta Cruz, CA 950601467667147
- Judith Kelley-Macek, MDSanta Cruz, CA 950601457352189
- Rashmi Mathew, MDSanta Cruz, CA 950601093248254
- Linh Nguyen, MDSanta Cruz, CA 950601275761785
- Nicole Sudduth, MDSanta Cruz, CA 950601013054378
- Patrick Sullivan, M.D.Santa Cruz, CA 950601558656660
- Timothy W Allari, MDSanta Cruz, CA 950621013996370
- John JacksonSanta Cruz, CA 950621780664557
Common questions
What is Nikki Martin, MD's NPI number?
Nikki Martin, MD's National Provider Identifier (NPI) is 1851317945, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nikki Martin, MD located?
The NPPES record lists a practice address at 1080 Emeline Ave, Santa Cruz, CA, 95060. Phone: (831) 454-4100. Providers update this record themselves, so call before visiting.
How can I verify Nikki Martin, MD's license?
NPPES lists California license number A35728, 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 Nikki Martin, MD prescribe under Medicare Part D?
In 2024, Nikki Martin, MD had 75 Medicare Part D claims for 51 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.