Jacob Armstrong, M.D.
NPI 1629455886 · Anatomic Pathology & Clinical Pathology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Armstrong, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Houston, TX (NPI 1629455886).
Provider details
- NPI number
- 1629455886
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- S2720 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
370 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Blood Smear Interpretation By Physician With Written Report85060 | 79 | $23 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 75 | $29 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 40 | $12 |
| Protein Measurement, Serum84165 | 36 | $17 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 32 | $37 |
| Flow Cytometry Technique for Dna Or Cell Analysis, 16 Or More Markers88189 | 23 | $82 |
Practice location
Mailing address
Additional practice locations (1)
- 6431 Fannin StSuite Msb 2.136Houston, TX 77030-1501Phone: (713) 500-4472Fax: (713) 500-0712
Registry dates
- Enumerated
- 2015-04-27
- Last updated
- 2022-09-19
- Certified
- 2022-09-19
Frequently asked questions
- What is Jacob Armstrong's NPI number?
- Jacob Armstrong's National Provider Identifier (NPI) is 1629455886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Armstrong's specialty?
- Jacob Armstrong is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Armstrong located?
- Jacob Armstrong's practice location on file with NPPES is 6431 Fannin Street, Houston, TX 77030-1501.
- What is Jacob Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Jacob Armstrong is (713) 704-4000.
- Does Jacob Armstrong accept Medicare?
- Jacob Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Armstrong's NPI active?
- Yes — Jacob Armstrong's NPI (1629455886) is active in the NPPES registry as of the last update on 2022-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.