P Praxis·MD
● Active Type 1 · Individual

DR. Thomas D Fisher, M.D.

Internal Medicine·San Antonio, TX· NPI 1043233679 · Enumerated 2006 · 19 years on NPI
Fisher is 1 of 95 internal medicine providers in San Antonio and 1 of 1069 in Texas.
NPI age
19 years
Enumerated 2006-07-25
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2016-01-28
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 1069 active internal medicine providers in Texas.

NPI age
19 years
≈ at median (18 yr)
State licenses
1 state
22% of peers hold multiple states
Subspecialties
0
52% of peers hold subspecialties

NPI lifetime · 2006 → 2026

2006-07Enumerated in NPPES
2006 2026

Where they practice

Practice location
3327 Research Plz, Suite 102
San Antonio, TX 782355155
📞 2103374494fax 2103374650
Mailing address
Po Box 911230
Dallas, TX 753911230
📞 9729978000fax 9722342987

Specialties

  • Internal Medicine Primary
    An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine...
    TX license #H5442 taxonomy 207RH0003X

Identifiers

TypeValueNotes
01 (TX) 830004813 RAILROAD MEDICARE
05 (TX) 136977911
01 (TX) P01547662 RAILROAD MEDICARE
01 (TX) 83Z204 BLUECROSS/BLUESHIELD TX.
05 (TX) 136977902
01 (TX) 4490743 AETNA PPO
01 (TX) 921505 AETNA HMO

Practice context

Part of a multi-provider practice. 9 other active providers share this practice address in NPPES.

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How to verify this provider

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

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