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SIMI TINA ROY M.D., M.P.H.
NPI 1790298008
Psychiatry & Neurology - Psychiatry in Pomona, CA

Active since November 08, 2017PECOS EnrolledAccepts Medicare Assignment
2008 N GAREY AVE, POMONA, CA 91767(909) 623-6131(909) 865-9281 Get Directions Write a Review

NPPES record last updated: May 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 15, 2025, Aug 11, 2022, Nov 8, 2017 (3 updates tracked since 2017).

About Simi Tina Roy M.d., M.p.h. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIMI TINA ROY M.D., M.P.H. (NPI 1790298008) is an individual psychiatry provider in Pomona, California, licensed in Alabama (43702) and active in the NPI registry since November 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1790298008
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameSIMI TINA ROYCredential: M.D., M.P.H.
Location Address2008 N GAREY AVEPomona, CA 91767-2722
Mailing Address2008 N Garey AvePomona, CA 91767-2722 · (909) 623-6131 · Fax (909) 865-9281
Phone(909) 623-6131
Fax(909) 865-9281
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateNovember 8, 2017
Last NPPES UpdateMay 15, 20253 updates tracked since enumeration
NPPES CertifiedMay 15, 2025
✔ NPI 1790298008 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 AL · 43702
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.
2008 N GAREY AVE, Pomona, CA 91767
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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

Simi Tina Roy M.d., M.p.h. 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 ID3971981481
PECOS Enrollment IDI20250717004246
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.

Medicare Billing Reassignment

Medicare enrollment records show Simi Roy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Tri-City Mental Health Authority
Same address
Community/Behavioral Health
2008 N GAREY AVE
Pomona, CA 91767
  • Reassigned Medicare billing, California enrollment
  • 40 clinicians in this Medicare group
NPI 1346304920 (909) 623-6131

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91767 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

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.

MARIA CAROLINA OUSTAD
Rehabilitation Practitioner
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 784-3236
KWONTA PHATIPHONG
Marriage & Family Therapist
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 623-6131
ADDISON HAWTHORNE
Social Worker (Clinical)
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 623-6131
DR. CARLOS A MURALLES M.D.
Psychiatry & Neurology (Psychiatry)
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 623-6131
KIRANDEEP SANDHU
Psychiatry & Neurology (Psychiatry)
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 623-6131
KRISTI ROMERO
Peer Specialist
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 623-6131
SAMANTHA RITA KOEMANS
Student in an Organized Health Care Education/Training Program
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 623-6131
ROBERT PAUL HIJAR
Community Health Worker
2008 N GAREY AVE
POMONA, CA 91767
Los Angeles County (909) 539-7729

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 Simi Roy's NPI number?

The NPI number for Simi Roy is 1790298008. It was assigned to this individual provider in the NPPES registry on November 8, 2017.

Where is Simi Roy located?

Simi Roy practices at 2008 N Garey Ave, Pomona, CA 91767. The listed phone number is (909) 623-6131.

What is Simi Roy's specialty?

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

Is Simi Roy enrolled in Medicare?

Yes. Simi Roy 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 organization bills Medicare for Simi Roy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Simi Roy reassigns Medicare benefits to Tri-City Mental Health Authority (Pomona, CA). The 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 Simi Roy'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 Simi Roy was last updated on May 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.