Maria Theresa Gatchalian Mariano, M.D.
Psychiatry Physician · Salinas, CA
Maria Theresa Gatchalian Mariano, M.D. is a psychiatry physician with a practice address in Salinas, California, and NPI 1356584403, issued on Apr 18, 2009. Check the license (California A120995, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maria Theresa Gatchalian Mariano
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A120995 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1441 Constitution Blvd, Salinas, CA 93906
- Phone
- (831) 755-4111
- Enumerated
- Apr 18, 2009
- Record last updated
- Oct 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20140702000232); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1441 Constitution Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diana AguilarNurse's Aide1689993107
- Sheila AguillonCase Manager/Care Coordinator1740714542
- Teresa Albert, MDObstetrics & Gynecology Physician1598776478
- Angelica AlcarazNurse's Aide1194044693
- Cristobal Alcaraz, P.A.Physician Assistant1184634677
- Stephanie Alexander, IMF 101713Mental Health Counselor1144732199
Verify Maria Theresa Gatchalian Mariano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A120995Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 91 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Alameda Health SystemOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Theresa Gatchalian Mariano among 8,673 psychiatry physician records in California
Maria Theresa Gatchalian Mariano, 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 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2009 · median 2005 among the 3,295 with a school on file
- Record last updated2025 · 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 Salinas → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- John Donaldson, D.O.Salinas, CA 939061578517538
- Paul Francisco, M.D.Salinas, CA 939061922161918
- Gary Gibbs, DOSalinas, CA 939061861414070
- Don Guiroy, M.D.Salinas, CA 939061629263512
- Evangelin Guzman, MDSalinas, CA 939061891898995
- Alia Karim, M.D.Salinas, CA 939061023138179
- Christopher Kasparek, M.D.Salinas, CA 939061427188671
- Erika Navarro, MDSalinas, CA 939061114930005
Common questions
What is Maria Theresa Gatchalian Mariano, M.D.'s NPI number?
Maria Theresa Gatchalian Mariano, M.D.'s National Provider Identifier (NPI) is 1356584403, issued on Apr 18, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Maria Theresa Gatchalian Mariano, M.D. located?
The NPPES record lists a practice address at 1441 Constitution Blvd, Salinas, CA, 93906. Phone: (831) 755-4111. Providers update this record themselves, so call before visiting.
How can I verify Maria Theresa Gatchalian Mariano, M.D.'s license?
NPPES lists California license number A120995, 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.
What is Maria Theresa Gatchalian Mariano, M.D.'s MIPS final score?
The 2023 MIPS final score is 91 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.