P Praxis·MD
● Active Type 1 · Individual

John R Holcomb, M.D.

Internal Medicine·San Antonio, TX· NPI 1811994916 · Enumerated 2005 · 20 years on NPI
Holcomb is 1 of 120 internal medicine providers in San Antonio and 1 of 1318 in Texas.
NPI age
20 years
Enumerated 2005-07-05
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2024-03-19
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 1318 active internal medicine providers in Texas.

NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
1 state
15% of peers hold multiple states
Subspecialties
1
In the 57% of peers with subspecialties

NPI lifetime · 2005 → 2026

2005-07Enumerated in NPPES
2005 2026

Where they practice

Practice location
4410 Medical Dr Ste 360
San Antonio, TX 782293749
📞 2106142100fax 2106921999
Mailing address
4410 Medical Dr Ste 360
San Antonio, TX 782293749
📞 2106142100fax 2106921999

Specialties

  • Internal Medicine Primary
    An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex...
    TX license #E4159 taxonomy 207RP1001X
  • Specialist
    An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
    TX license #E4159 taxonomy 174400000X

Identifiers

TypeValueNotes
05 (TX) 110204806
01 (TX) 290012586 RAILROAD MEDICARE
01 (TX) 8AW596 BLUE CROSS

Practice context

Part of a multi-provider practice. 2 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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