John Harlan Stewart, MD
Anatomic Pathology & Clinical Pathology Physician · Port Arthur, TX
John Harlan Stewart, MD is an anatomic pathology & clinical pathology physician with a practice address in Port Arthur, Texas, and NPI 1316906449, issued on Mar 18, 2006. Check the license (Texas F4566, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Harlan Stewart
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- F4566 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3600 Gates Blvd, Port Arthur, TX 77642
- Phone
- (409) 983-6360
- Enumerated
- Mar 18, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (409) 983-7637
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,424 in Texas → Look up another NPI →
Also registered at 3600 Gates Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susanna Bloss, NPNurse Practitioner1477802775
- Lindsey Fowler, PAPhysician Assistant1336441922
- Penni Guidry, CRNACertified Registered Nurse Anesthetist1144339086
- Brandy Kotz, FNPFamily Nurse Practitioner1114312576
- Ivan Omari, PHARM DPharmacist1295007862
- Kyle Peterson, MDEmergency Medicine Physician1922335199
Verify John Harlan Stewart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F4566Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Harlan Stewart among 1,424 anatomic pathology & clinical pathology physician records in Texas
John Harlan Stewart, MD 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 not. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 55% newer
- In a Medicare fileNo · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2026 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,424 in Texas → Every provider in Port Arthur → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Thomas Molina, M.D.Port Arthur, TX 776421992816466
- Frank Krull, MDPort Arthur, TX 776401124056981
- Samuel Santala, MDWebster, TX 775981942404553
- Liqiang Wang, MDWebster, TX 775981205999885
- Ya Xu, MDWebster, TX 775981144548231
- Jameela Ahmeduddin, MDTexas City, TX 775911891799235
- Vicki Chu, MDTexas City, TX 775911588972079
- Bisong Haupt, M.D.Texas City, TX 775911841488202
Common questions
What is John Harlan Stewart, MD's NPI number?
John Harlan Stewart, MD's National Provider Identifier (NPI) is 1316906449, issued on Mar 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Harlan Stewart, MD located?
The NPPES record lists a practice address at 3600 Gates Blvd, Port Arthur, TX, 77642. Phone: (409) 983-6360. Providers update this record themselves, so call before visiting.
How can I verify John Harlan Stewart, MD's license?
NPPES lists Texas license number F4566, 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. 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.