NPPES file of Aug 9, 2026

Adam Graham Stewart, MBBS, MPH

Infectious Disease Physician · Houston, TX

Adam Graham Stewart, MBBS, MPH is an infectious disease physician with a practice address in Houston, Texas, and NPI 1699512863, issued on Jul 13, 2024. Check the license (Texas 48814, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699512863
Name
Adam Graham Stewart
Credential
MBBS, MPH
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
48814 TX
3015692 MA
Self-reported in NPPES; status is on the state search
Practice location
1515 Holcombe Blvd, Houston, TX 77030
Phone
(713) 792-6161
Enumerated
Jul 13, 2024
Record last updated
Sep 23, 2025
Medicare enrollment
Enrolled (PECOS I20251008000773); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest infectious disease physician records → All 674 in Texas → Look up another NPI →

Also registered at 1515 Holcombe Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ashley Aaroe, MDNeurology Physician1902295793
  2. Linda Abad, PA-CPhysician Assistant1063928240
  3. Cynthia Abarado, RN, GNPGerontology Nurse Practitioner1851471049
  4. Hussein Abbas, MD, PHDInternal Medicine Physician1609220532
  5. James Abbruzzese, M.D.Medical Oncology Physician1134233224
  6. Karim Abdeldaem, MDEmergency Medicine Physician1558056200

Verify Adam Graham Stewart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license 48814    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Physicians Referral ServiceHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Adam Graham Stewart among 674 infectious disease physician records in Texas

Adam Graham Stewart, MBBS, MPH is one of 674 infectious disease physician records with a practice address in Texas. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than over 99% of them.

  • NPI issued2024 · over 99% of these records are older, under 1% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2013 · median 2002 among the 510 with a school on file
  • Record last updated2025 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Texas

There are 674 infectious disease physician records in Texas.

All 674 in Texas → Every provider in Houston → Infectious Disease Physician nationwide →

The 8 infectious disease physician records with the nearest ZIP codes

  1. Lisa Armitige, M.D.Houston, TX 770301568480820
  2. Ben Barnett, M.D.Houston, TX 770301457379687
  3. Tanvir Bell, M.D.Houston, TX 770301720012644
  4. Victor Fainstein, MDHouston, TX 770301912985664
  5. Richard Harris, M.D.Houston, TX 770301851373039
  6. Rodrigo Hasbun, M.D., M.P.H.Houston, TX 770301659334100
  7. Jiejian Lin, M.D.Houston, TX 770301679533533
  8. Cezarina Mindru, MDHouston, TX 770301497780787

Common questions

What is Adam Graham Stewart, MBBS, MPH's NPI number?

Adam Graham Stewart, MBBS, MPH's National Provider Identifier (NPI) is 1699512863, issued on Jul 13, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Adam Graham Stewart, MBBS, MPH located?

The NPPES record lists a practice address at 1515 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.

How can I verify Adam Graham Stewart, MBBS, MPH's license?

NPPES lists Texas license number 48814, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.