NPI age
20 years
Enumerated 2005-11-16
● Active
Type 1 · Individual
DR. Michael V. Seiden, MD
Seiden is 1 of 2 internal medicine providers in Shenandoah and 1 of 576 in Texas.
Primary specialty
Internal Medicine
Plus 3 subspecialties
Licensed in
TX, MA, PA
3 states
Status
Active
No deactivations on record
Last NPPES update
2014-08-18
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 576 active internal medicine providers in Texas.
NPI age
20 years
≈ at median (19 yr)
State licenses
3 states
Top 81% — 18% of peers are multi-state
Subspecialties
1
In the 46% of peers with subspecialties
NPI lifetime · 2005 → 2026
2005-11Enumerated in NPPES
2005
2026
Where they practice
Practice location
9200 Pinecroft Dr Ste 450
Shenandoah, TX 773803280
Mailing address
Po Box 911230
Dallas, TX 753911230
Specialties
-
Internal Medicine PrimaryAn internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and...
-
Internal MedicineA 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,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (MA) | 3122026 | |
| 05 (TX) | 333013601 | |
| 01 (MA) | J09299 | BCBS MA |
| 01 (MA) | 071183 | TUFTS HEALTH PLAN |
| 05 (PA) | 0102213389001 |
Multi-state credentialing: Licensed in 3 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
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