DR. MARIA THERESA GATCHALIAN MARIANO M.D.
NPI 1356584403
Psychiatry & Neurology - Psychiatry in Salinas, CA

Q: 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.

Q: What is Maria Theresa Mariano's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Active since April 18, 2009PECOS EnrolledAccepts Medicare Assignment

91.04/100

CMS Quality Rating

1441 CONSTITUTION BLVD, SALINAS, CA 93906(831) 755-4111 Get Directions Write a Review

NPPES record last updated: October 14, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 18, 2020, Nov 14, 2017 (2 updates tracked since 2017).

On this page

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

NPI1356584403

Entity TypeIndividualFemale

Primary Taxonomy2084P0800X

Provider Legal NameDR. MARIA THERESA GATCHALIAN MARIANOCredential: M.D.

Location Address1441 CONSTITUTION BLVDSalinas, CA 93906-3100

Mailing Address512 6th StPacific Grove, CA 93950-4613

Phone(831) 755-4111

Sole ProprietorYes

Medical School CMSOtherGraduated 2009

Enumeration DateApril 18, 2009

Last NPPES UpdateOctober 14, 20252 updates tracked since enumeration

NPPES CertifiedOctober 14, 2025

✔ NPI 1356584403 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · A120995

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

1441 CONSTITUTION BLVD, Salinas, CA 93906

Open in Google Maps ↗

Secondary Practice Locations 2

Location 1200 Hillmont AveVentura, CA 93003-1647 · Phone (805) 652-6729

Location 2300 Hillmont AveVentura, CA 93003-1651 · Phone (805) 652-6000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID8022233238

PECOS Enrollment IDI20140702000232

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

26 services14 patients

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.

New Patient

$184.30 typical visit price

range $61.69 – $184.30

Typical copayment $46.07 (range $15.42 – $46.07)

Most-billed visit code 99205

Established Patient

$76.53 typical visit price

range $20.34 – $151.02

Typical copayment $19.13 (range $5.08 – $37.75)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

91.04/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

82.13

Promoting Interoperability

100

Improvement Activities

Cost

64.1

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.

LUANA L. MILLAN

Nurse's Aide

1441 CONSTITUTION BLVD, BLDG 200, FLOOR 1, SUITE 101
SALINAS, CA 93906

Monterey County (831) 755-4124

ELEANOR CECELIA BATTINO

Student in an Organized Health Care Education/Training Program

1441 CONSTITUTION BLVD
SALINAS, CA 93906

Monterey County (831) 755-4123

DAISY RUBI ONTIVEROS

Nurse's Aide

1441 CONSTITUTION BLVD, BLDG 200, FLOOR 1, SUITE 103
SALINAS, CA 93906

Monterey County (831) 755-4123

JENNIFER GONZALEZ

Day Training/Habilitation Specialist

1441 CONSTITUTION BLVD
SALINAS, CA 93906

Monterey County (916) 783-5207

LINDSAY RENEE RICHARDS MD

Student in an Organized Health Care Education/Training Program

1441 CONSTITUTION BLVD
SALINAS, CA 93906

Monterey County (831) 755-4123

MARIA MEJIA

Behavior Analyst

1441 CONSTITUTION BLVD
SALINAS, CA 93906

Monterey County (831) 784-2150

HEATHER CLAIRE METZ ACSW

Social Worker (Clinical)

1441 CONSTITUTION BLVD
SALINAS, CA 93906

Monterey County (831) 755-4111

COUNTY OF MONTEREY

Internal Medicine

1441 CONSTITUTION BLVD, BLDG 151 SUITE 16
SALINAS, CA 93906

Monterey County (831) 769-8640

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.

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 9 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.