DR. DESLIN THOMAS M.D
NPI 1679757124
Family Medicine in Diamond Bar, CA

Q: What is Deslin Thomas's NPI number?

The NPI number for Deslin Thomas is 1679757124. It was assigned to this individual provider in the NPPES registry on December 19, 2007. The provider is also known as Dr. Deslin Varghese M.D.

Q: What is Deslin Thomas's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Deslin Thomas was last updated on May 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.

Active since December 19, 2007PECOS Enrolled

21015 PATHFINDER RD STE 200, DIAMOND BAR, CA 91765(323) 804-5824 Get Directions Write a Review

NPPES record last updated: May 26, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 26, 2021, Aug 14, 2020, Jul 23, 2020 and 2 more (5 updates tracked since 2016).

On this page

About Dr. Deslin Thomas M.d NPPES

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

DR. DESLIN THOMAS M.D (NPI 1679757124) is an individual family medicine provider in Diamond Bar, California, licensed in California (A110241) and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679757124

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameDR. DESLIN THOMASCredential: M.D

Location Address21015 PATHFINDER RD STE 200Diamond Bar, CA 91765-4002

Mailing Address16756 Chino Corona RdCorona, CA 92880 · (909) 287-1709

Phone(323) 804-5824

Sole ProprietorYes

Enumeration DateDecember 19, 2007

Last NPPES UpdateMay 26, 20215 updates tracked since enumeration

NPPES CertifiedMay 26, 2021

✔ NPI 1679757124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in CA · A110241

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

21015 PATHFINDER RD STE 200, Diamond Bar, CA 91765

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Other Names 1

Former Name (1)Dr. Deslin Varghese M.d

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Deslin Thomas M.d is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Deslin Thomas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Chino Medical Group, Inc

9.7 mi

Health Maintenance Organization

5475 WALNUT AVE
Chino, CA 91710

Reassigned Medicare billing, California enrollment
12 clinicians in this Medicare group

NPI 1790730786 (909) 591-6446

Live Life Now Health Group Of California PC

18 mi

Addiction Medicine

5800 S EASTERN AVE STE 500
Commerce, CA 90040

Reassigned Medicare billing, California enrollment
14 clinicians in this Medicare group

NPI 1194332510 (917) 529-2030

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 91765 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SATEESH KUMAR GUNDA M.D.

Psychiatry & Neurology (Psychiatry)

21015 PATHFINDER RD STE 200
DIAMOND BAR, CA 91765

Los Angeles County (909) 979-3123

DAVID T HINMAN

Psychologist (Counseling)

21015 PATHFINDER RD STE 200
DIAMOND BAR, CA 91765

Los Angeles County (213) 822-0997

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 Deslin Thomas's NPI number?

The NPI number for Deslin Thomas is 1679757124. It was assigned to this individual provider in the NPPES registry on December 19, 2007. The provider is also known as Dr. Deslin Varghese M.D.

Where is Deslin Thomas located?

Deslin Thomas practices at 21015 Pathfinder Rd Ste 200, Diamond Bar, CA 91765. The listed phone number is (323) 804-5824.

What is Deslin Thomas's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Deslin Thomas enrolled in Medicare?

Yes. Deslin Thomas is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Deslin Thomas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Deslin Thomas reassigns Medicare benefits to 2 organizations: Chino Medical Group, Inc (Chino, CA) and Live Life Now Health Group Of California PC (Commerce, 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 Deslin Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Deslin Thomas accept?

Health plans from Oscar Health Maintenance Organization of Florida and UnitedHealthcare list Deslin Thomas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Deslin Thomas was last updated on May 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.