Maria Theresa Nazareno, A-GNP-C
Gerontology Nurse Practitioner · Tracy, CA
Maria Theresa Nazareno, A-GNP-C is a gerontology nurse practitioner with a practice address in Tracy, California, and NPI 1184312563, issued on Apr 25, 2023. Check the license (California 95020862, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Theresa Nazareno
- Credential
- A-GNP-C
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- 95020862 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16098 Tsirelas Dr, Tracy, CA 95304
- Phone
- (209) 839-7569
- Enumerated
- Apr 25, 2023
- Record last updated
- Apr 25, 2023
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 569 in California → Look up another NPI →
Verify Maria Theresa Nazareno in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95020862Check 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 gerontology nurse practitioner in 2024
52 Medicare Part D claims for 30 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Maria Theresa Nazareno among 569 gerontology nurse practitioner records in California
Maria Theresa Nazareno, A-GNP-C is one of 569 gerontology nurse practitioner records with a practice address in California. 64% 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 77% of them.
- NPI issued2023 · 77% of these records are older, 18% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2023 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in California
There are 569 gerontology nurse practitioner records in California.
All 569 in California → Every provider in Tracy → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Wellah Marie San BuenaventuraAtwater, CA 953011548806953
- Christina Jones, AGNPDelhi, CA 953151336723006
- Cassandra Corsaro, AGNPEscalon, CA 953201972449320
- Faith BotcheyLathrop, CA 953301760810139
- Edwin Del Rosario, NPLathrop, CA 953301285369140
- Imee JanabanManteca, CA 953371891623211
- Arlene Gabot, AGNPMerced, CA 953411548741515
- Mark Jason Granada, AGNPMerced, CA 953411386353761
Common questions
What is Maria Theresa Nazareno, A-GNP-C's NPI number?
Maria Theresa Nazareno, A-GNP-C's National Provider Identifier (NPI) is 1184312563, issued on Apr 25, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Maria Theresa Nazareno, A-GNP-C located?
The NPPES record lists a practice address at 16098 Tsirelas Dr, Tracy, CA, 95304. Phone: (209) 839-7569. Providers update this record themselves, so call before visiting.
How can I verify Maria Theresa Nazareno, A-GNP-C's license?
NPPES lists California license number 95020862, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Theresa Nazareno, A-GNP-C prescribe under Medicare Part D?
In 2024, Maria Theresa Nazareno, A-GNP-C had 52 Medicare Part D claims for 30 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.