Maria Teresa Mercado-Gans, MSN, PHN, RN, NP
Gerontology Nurse Practitioner · Fairfield, CA
Maria Teresa Mercado-Gans, MSN, PHN, RN, NP is a gerontology nurse practitioner with a practice address in Fairfield, California, and NPI 1760176309, issued on Jun 6, 2023. Check the license (California 95022207, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Teresa Mercado-Gans
- Credential
- MSN, PHN, RN, NP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- 95022207 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4820 Business Center Dr Ste 220, Fairfield, CA 94534
- Phone
- (707) 425-2289
- Enumerated
- Jun 6, 2023
- Record last updated
- Jun 13, 2023
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 569 in California → Look up another NPI →
Verify Maria Teresa Mercado-Gans in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95022207Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
145 Medicare Part D claims for 25 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. 53 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen35 claims
- Ibuprofen16 claims
- Gabapentin14 claims
- Oxycodone-Acetaminophen12 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.
Industry payments in 2024: $191.52
4 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Maria Teresa Mercado-Gans among 569 gerontology nurse practitioner records in California
Maria Teresa Mercado-Gans, MSN, PHN, RN, NP 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 Fairfield → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Laura SanchezFremont, CA 945361942945191
- Charo VitugAntioch, CA 945311720826043
- Tanya Kailath, GNP-BCEl Cerrito, CA 945301932437076
- Kamala Gc, NPFremont, CA 945391508740770
- David Buffum, R.N., N.P.Pleasant Hill, CA 945231295043859
- Melissa Clark, ARNPConcord, CA 945201639681000
- Ann Skradski, GNPMartinez, CA 945531285696542
- Kathleen Kinda, NURSE PRACTITIONERNapa, CA 945581962039537
Common questions
What is Maria Teresa Mercado-Gans, MSN, PHN, RN, NP's NPI number?
Maria Teresa Mercado-Gans, MSN, PHN, RN, NP's National Provider Identifier (NPI) is 1760176309, issued on Jun 6, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Maria Teresa Mercado-Gans, MSN, PHN, RN, NP located?
The NPPES record lists a practice address at 4820 Business Center Dr Ste 220, Fairfield, CA, 94534. Phone: (707) 425-2289. Providers update this record themselves, so call before visiting.
How can I verify Maria Teresa Mercado-Gans, MSN, PHN, RN, NP's license?
NPPES lists California license number 95022207, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Teresa Mercado-Gans, MSN, PHN, RN, NP prescribe under Medicare Part D?
In 2024, Maria Teresa Mercado-Gans, MSN, PHN, RN, NP had 145 Medicare Part D claims for 25 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.