Tammi Kay McComak, FNP
Family Nurse Practitioner · Tracy, CA
Tammi Kay McComak, FNP is a family nurse practitioner with a practice address in Tracy, California, and NPI 1679553804, issued on Jan 23, 2006. Check the license (California 15459, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tammi Kay McComak
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 15459 CA
Self-reported in NPPES; status is on the state search - Practice location
- 530 W Eaton Ave, Tracy, CA 95376
- Phone
- (209) 835-4232
- Enumerated
- Jan 23, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 530 W Eaton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Tammi Kay McComak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 15459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average family nurse practitioner in 2024
203 Medicare Part D claims for 134 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Diclofenac Sodium19 claims
- Cephalexin18 claims
- Doxycycline Hyclate14 claims
- Amoxicillin-Clavulanate Potass12 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.
Tammi Kay McComak among 16,966 family nurse practitioner records in California
Tammi Kay McComak, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% 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 1% of them.
- NPI issued2006 · 1% of these records are older, 93% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2026 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 family nurse practitioner records list a practice address in Tracy
They are 26 of the 1,864 NPPES records with a practice address in Tracy, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Tracy → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Drucilla Adeniran, FNPTracy, CA 953761356073381
- Lisa Clark-Barlow, FNPTracy, CA 953761376734509
- Bridget Dike, FNPTracy, CA 953761750806378
- Ricardo Echon, FNP-CTracy, CA 953761821417718
- Huma Helmand, FNP-CTracy, CA 953761407339716
- Jessica Hoffman, FNP-BCTracy, CA 953761912474768
- Ruby Khanal, NPTracy, CA 953761528550928
- Reta Lal, FNP-BCTracy, CA 953761568929438
Common questions
What is Tammi Kay McComak, FNP's NPI number?
Tammi Kay McComak, FNP's National Provider Identifier (NPI) is 1679553804, issued on Jan 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tammi Kay McComak, FNP located?
The NPPES record lists a practice address at 530 W Eaton Ave, Tracy, CA, 95376. Phone: (209) 835-4232. Providers update this record themselves, so call before visiting.
How can I verify Tammi Kay McComak, FNP's license?
NPPES lists California license number 15459, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tammi Kay McComak, FNP prescribe under Medicare Part D?
In 2024, Tammi Kay McComak, FNP had 203 Medicare Part D claims for 134 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.