NPI age
19 years
Enumerated 2007-01-02
● Active
Type 1 · Individual
Michael T Tetzlaff, MD, PHD
Tetzlaff is 1 of 1 pathology providers in Houstion and 1 of 36 in Texas.
Primary specialty
Pathology
Plus 1 subspecialty
Licensed in
TX, PA
2 states
Status
Active
No deactivations on record
Last NPPES update
2020-04-10
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 36 active pathology providers in Texas.
NPI age
19 years
≈ at median (19 yr)
State licenses
2 states
Top 94% — 5% of peers are multi-state
Subspecialties
1
In the 55% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-01Enumerated in NPPES
2007
2026
Where they practice
Practice location
1515 Holcombe Blvd
Houstion, TX 770304009
Mailing address
Po Box 4439
Houston, TX 772104439
Specialties
-
Pathology PrimaryA dermatopathologist is an expert in diagnosing and monitoring diseases of the skin including infectious, immunologic, degenerative, and neoplastic diseases. This entails the examination and interpretation of specially prepared tissue...
-
PathologyA pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 214426301 | |
| 01 (TX) | P00881574 | RRMEDICARE |
| 01 (TX) | 8CL001 | BCBS |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Solo or small practice. No other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
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