● Active Type 1 · Individual

Sean Allan Townsend, M.D.

Internal Medicine·Plano, TX· NPI 1003259458 · Enumerated 2013 · 13 years on NPI

Townsend is 1 of 313 internal medicine providers in Plano and 1 of 12,572 in Texas.

NPI age

13 years

Enumerated 2013-04-15

Primary specialty

Internal Medicine

Licensed in

1 state

Status

Active

No deactivations on record

Last NPPES update

2022-04-12

Source: CMS NPPES provider record

Sole proprietor

May be part of a larger org

How this provider compares

Across 12572 active internal medicine providers in Texas.

NPI age

13 years

↓ 4 yr below median (17 yr)

State licenses

1 state

17% of peers hold multiple states

Subspecialties

33% of peers hold subspecialties

NPI lifetime · 2013 → 2022

2013-04Enumerated in NPPES

2013 2022

Where they practice

Practice location

4716 Alliance Blvd, Suite 500

Plano, TX 750935371

📞 4698006000fax 4698006052

Mailing address

4716 Alliance Blvd, Suite 500

Plano, TX 750935371

📞 4698006000fax 4698006052

Specialties

Allopathic & Osteopathic Physicians › Internal Medicine

Internal Medicine Primary

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,...

TX license #Q3454 taxonomy 207R00000X

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

Internal Medicine

Medical school

Texas Tech University Health Science Center School Of Medicine

Graduation year 2013

Telehealth

Listed by CMS

Confirm current availability with the practice

Largest Medicare group

3431 members

Largest listed enrollment group

Facility affiliations reported by CMS

Healthtexas Provider Network
Legacy Healthcare Services Inc

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

Recently enumerated nearby: 1 new internal medicine provider has been added in Plano 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.