● Active Type 1 · Individual

Gayane Tumyan, MD

Endocrinology, Diabetes & Metabolism (Internal Medicine)·Fort Worth, TX· NPI 1003349812 · Enumerated 2017 · 9 years on NPI

Tumyan is 1 of 19 endocrinology, diabetes & metabolism (internal medicine) providers in Fort Worth and 1 of 955 in Texas.

NPI age

9 years

Enumerated 2017-04-07

Primary specialty

Endocrinology, Diabetes & Metabolism (Internal Medicine)

Licensed in

1 state

Status

Active

No deactivations on record

Last NPPES update

2025-11-20

Source: CMS NPPES provider record

Sole proprietor

May be part of a larger org

How this provider compares

Across 955 active endocrinology, diabetes & metabolism (internal medicine) providers in Texas.

NPI age

9 years

↓ 9 yr below median (18 yr)

State licenses

1 state

18% of peers hold multiple states

Subspecialties

38% of peers hold subspecialties

NPI lifetime · 2017 → 2025

2017-04Enumerated in NPPES

2017 2025

Where they practice

Practice location

600 S Main St

Fort Worth, TX 761042410

📞 8178822420

Mailing address

Po Box 845347

Dallas, TX 752847208

Specialties

Allopathic & Osteopathic Physicians › Internal Medicine

Internal Medicine Primary

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary...

TX license #U3040 taxonomy 207RE0101X

Medicare directory context

Attributes below come from the CMS Doctors & Clinicians dataset used by Medicare Care Compare, retrieved 2026-10-12. They apply only to this clinician's public Medicare listing.

Medicare specialties

Endocrinology

Telehealth

Listed by CMS

Confirm current availability with the practice

Largest Medicare group

3156 members

Largest listed enrollment group

Facility affiliations reported by CMS

University Of Texas Southwestern Medical Center At Dallas

Medicare listing data does not guarantee that a clinician is accepting new patients or that a service is covered. View the CMS dataset →

Practice context

Part of a multi-provider practice. 20 other active providers share this practice address in NPPES.

Recently enumerated nearby: 1 new endocrinology, diabetes & metabolism (internal medicine) provider has been added in Fort Worth in the last 180 days. See all →

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How to verify this provider

Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
Check the state license is currently active.State licensing boards publish current status; NPPES does not.
Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.