NPI age
12 years
Enumerated 2014-04-10
● Active
Type 1 · Individual
DR. Christopher Terrence Haas, M.D.
Haas is 1 of 1938 internal medicine providers in Houston and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2018-08-23
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 12343 active internal medicine providers in Texas.
NPI age
12 years
↓ 5 yr below median (17 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
0
33% of peers hold subspecialties
NPI lifetime · 2014 → 2026
2014-04Enumerated in NPPES
2014
2026
Where they practice
Practice location
1515 Holcombe Blvd
Houston, TX 77030
Mailing address
Po Box 4439
Houston, TX 772104439
Specialties
-
Internal Medicine PrimaryA 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 |
|---|---|---|
| 01 (TX) | 8JR554 | BCBS |
| 05 (TX) | 385711201 | |
| 05 (TX) | 385711202 |
Practice context
Part of a multi-provider practice. 3675 other active providers share this practice address in NPPES.
Recently enumerated nearby: 6 new internal medicine providers have been added in Houston in the last 180 days.
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- 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.