Mariela Josefina Fuenmayor, M.D.
Psychiatry Physician · Gilroy, CA
Mariela Josefina Fuenmayor, M.D. is a psychiatry physician with a practice address in Gilroy, California, and NPI 1356512578, issued on Mar 15, 2008. Check the license (California C168841, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mariela Josefina Fuenmayor
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- C168841 CA
E-13253 AR
B0000 TX
Self-reported in NPPES; status is on the state search - Practice location
- 9015 Murray Ave Ste 100, Gilroy, CA 95020
- Phone
- (408) 842-7138
- Enumerated
- Mar 15, 2008
- Record last updated
- Jun 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 9015 Murray Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Khadija AbdulmalikMental Health Counselor1720598196
- Doriana Abeyta, LCSWClinical Social Worker1417682147
- Melissa AdamsSocial Worker1962946558
- Erika AldamaRehabilitation Practitioner1437790912
- Laneshia AlexanderCase Manager/Care Coordinator1700307790
- Justin AlnasSocial Worker1568962579
Verify Mariela Josefina Fuenmayor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C168841Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average psychiatry physician in 2024
804 Medicare Part D claims for 52 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Clozapine84 claims
- Lamotrigine76 claims
- Olanzapine44 claims
- Trazodone Hcl42 claims
- Invega Sustenna36 claims
- Mirtazapine32 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: $15.64
1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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.
Mariela Josefina Fuenmayor among 8,673 psychiatry physician records in California
Mariela Josefina Fuenmayor, M.D. is one of 8,673 psychiatry physician 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 2008, is newer than 52% of them.
- NPI issued2008 · 52% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2020 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in California
There are 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Gilroy → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Vindhya Baddigam, MDGilroy, CA 950201811493430
- Moeen Bhatti, M.D.Gilroy, CA 950201205023736
- Amy Cohen, M.D.Gilroy, CA 950201952455115
- Richard Rada, M.D.Gilroy, CA 950201144567694
- William Sueksdorf, MDGilroy, CA 950201518162015
- Lawrence Cronin, MDFelton, CA 950181871594168
- Lauren Kissner, M.D.Hollister, CA 950231972776763
- Smitha AkulaCupertino, CA 950141336522044
Common questions
What is Mariela Josefina Fuenmayor, M.D.'s NPI number?
Mariela Josefina Fuenmayor, M.D.'s National Provider Identifier (NPI) is 1356512578, issued on Mar 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mariela Josefina Fuenmayor, M.D. located?
The NPPES record lists a practice address at 9015 Murray Ave Ste 100, Gilroy, CA, 95020. Phone: (408) 842-7138. Providers update this record themselves, so call before visiting.
How can I verify Mariela Josefina Fuenmayor, M.D.'s license?
NPPES lists California license number C168841, 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 Mariela Josefina Fuenmayor, M.D. prescribe under Medicare Part D?
In 2024, Mariela Josefina Fuenmayor, M.D. had 804 Medicare Part D claims for 52 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.