Jacob A. Armstrong, M.D.
Anatomic Pathology & Clinical Pathology Physician · Houston, TX
Jacob A. Armstrong, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Houston, Texas, and NPI 1629455886, issued on Apr 27, 2015. Check the license (Texas SS2720, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jacob A. Armstrong
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License numbers
- SS2720 TX
S2720 TX
327748 LA
Self-reported in NPPES; status is on the state search - Practice location
- 6431 Fannin Street, Houston, TX 77030
- Phone
- (713) 704-4000
- Enumerated
- Apr 27, 2015
- Record last updated
- Sep 19, 2022
- Fax
- (713) 704-2658
- Medicare enrollment
- Enrolled (PECOS I20220412000708); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2015
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,424 in Texas → Look up another NPI →
Also registered at 6431 Fannin Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kwasi Aboagye, MDStudent in an Organized Health Care Education/Training Program1710673645
- Julia Aguirre, DOPediatrics Physician1861027039
- Ahmed Ahmed, MDAnatomic Pathology & Clinical Pathology Physician1821762766
- Duane Akwar, M.D.Anesthesiology Physician1871842401
- Majd Al Shaarani, M.D.Anatomic Pathology & Clinical Pathology Physician1659768695
- Iad AlhallakStudent in an Organized Health Care Education/Training Program1962254714
Verify Jacob A. Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license SS2720Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University OF Texas Health Science Center AT HoustonHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob A. Armstrong among 1,424 anatomic pathology & clinical pathology physician records in Texas
Jacob A. Armstrong, M.D. is one of 1,424 anatomic pathology & clinical pathology physician records with a practice address in Texas. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 82% of them.
- NPI issued2015 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2015 · median 2001 among the 864 with a school on file
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Texas
There are 1,424 anatomic pathology & clinical pathology physician records in Texas.
All 1,424 in Texas → Every provider in Houston → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Amin Alrahwan, M.D.Houston, TX 770301306827381
- Gustavo Ayala, M.D.Houston, TX 770301992709356
- Diego Fiorito, M.D.Houston, TX 770301184629586
- Jerry Goodman, M.D.Houston, TX 770301770553877
- Suyang Hao, MDHouston, TX 770301750371910
- Joseph Khoury, MDHouston, TX 770301013910108
- Pulin Kothari, M.D.Houston, TX 770301730184136
- Barbara Lines, MDHouston, TX 770301366447690
Common questions
What is Jacob A. Armstrong, M.D.'s NPI number?
Jacob A. Armstrong, M.D.'s National Provider Identifier (NPI) is 1629455886, issued on Apr 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jacob A. Armstrong, M.D. located?
The NPPES record lists a practice address at 6431 Fannin Street, Houston, TX, 77030. Phone: (713) 704-4000. Providers update this record themselves, so call before visiting.
How can I verify Jacob A. Armstrong, M.D.'s license?
NPPES lists Texas license number SS2720, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.