● Active Type 1 · Individual

Dr. Jan Petrasek, M.D., PH.D.

Gastroenterology (Internal Medicine)·Dallas, TX· NPI 1003251497 · Enumerated 2013 · 13 years on NPI

Petrasek is 1 of 176 gastroenterology (internal medicine) providers in Dallas and 1 of 1,858 in Texas.

NPI age

13 years

Enumerated 2013-04-30

Primary specialty

Gastroenterology (Internal Medicine)

Plus 3 subspecialties

Licensed in

TX, MS

2 states

Status

Active

No deactivations on record

Last NPPES update

2025-02-17

Source: CMS NPPES provider record

Sole proprietor

May be part of a larger org

How this provider compares

Across 1858 active gastroenterology (internal medicine) providers in Texas.

NPI age

13 years

↓ 6 yr below median (19 yr)

State licenses

2 states

Top 79% — 20% of peers are multi-state

Subspecialties

In the 35% of peers with subspecialties

NPI lifetime · 2013 → 2025

2013-04Enumerated in NPPES

2013 2025

Where they practice

Practice location

5201 Harry Hines Blvd, Graduate Medical Education

Dallas, TX 752357708

📞 2145908058

Mailing address

2500 N State St

Jackson, MS 392164500

📞 6018154775fax 6018150434

Specialties

Allopathic & Osteopathic Physicians › Internal Medicine

Internal Medicine Primary

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and...

TX license #Q8602MS license #27717 taxonomy 207RG0100X
Internal Medicine

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...

MS license #27717 taxonomy 207R00000X
Student in an Organized Health Care Education/Training Program

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

TX license #BP10047494 taxonomy 390200000X

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

Gastroenterology

Largest Medicare group

36 members

Largest listed enrollment group

Facility affiliations reported by CMS

Texas Liver Consultants PA

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. 585 other active providers share this practice address in NPPES.

Recently enumerated nearby: 1 new gastroenterology (internal medicine) provider has been added in Dallas 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.