DR. MARIA THERESA GATCHALIAN MARIANO M.D.
NPI 1356584403
Psychiatry & Neurology - Psychiatry in Salinas, CA
About Dr. Maria Theresa Gatchalian Mariano M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIA THERESA GATCHALIAN MARIANO M.D. (NPI 1356584403) is an individual psychiatry provider in Salinas, California, licensed in California (A120995) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Maria Theresa Gatchalian Mariano M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Maria Theresa Mariano reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 900 clinicians in this Medicare group
Ventura, CA 93001
- Reassigned Medicare billing, California enrollment
- 710 clinicians in this Medicare group
Lancaster, CA 93535
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of Los Angeles
- 1,939 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93906 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SALINAS, CA 93906
SALINAS, CA 93906
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Maria Theresa Mariano's NPI number?
The NPI number for Maria Theresa Mariano is 1356584403. It was assigned to this individual provider in the NPPES registry on April 18, 2009.
Where is Maria Theresa Mariano located?
Maria Theresa Mariano practices at 1441 Constitution Blvd, Salinas, CA 93906. The listed phone number is (831) 755-4111.
What is Maria Theresa Mariano's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Maria Theresa Mariano enrolled in Medicare?
Yes. Maria Theresa Mariano is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Maria Theresa Mariano's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Theresa Mariano reassigns Medicare benefits to 3 organizations: Alameda Health System (Newark, CA), County Of Ventura (Ventura, CA) and County Of Los Angeles Auditor Controller (Lancaster, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Maria Theresa Mariano's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Maria Theresa Mariano was last updated on October 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Maria Theresa Gatchalian Mariano, M.D. · NPI 1356584403
Psychiatry physician in Salinas, California. Individual provider, active in the CMS NPPES registry since April 18, 2009.
## Identity
- **NPI:** 1356584403 (Entity type: Individual)
- **Enumerated:** April 18, 2009
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** A120995 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1441 CONSTITUTION BLVD, Salinas, CA 93906-3100
- **Phone:** (831) 755-4111
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Alameda Health System (NPI 1497956288, Newark, CA); County Of Ventura (NPI 1780821660, Ventura, CA); County Of Los Angeles Auditor Controller (NPI 1366453045, Lancaster, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** October 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1356584403) · Data from the CMS NPPES public registry.