DR. ADAM GRAHAM STEWART MBBS, MPH
NPI 1699512863
Internal Medicine - Infectious Disease in Houston, TX
About Dr. Adam Graham Stewart Mbbs, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ADAM GRAHAM STEWART MBBS, MPH (NPI 1699512863) is an individual infectious disease provider in Houston, Texas, licensed in Texas (48814) and active in the NPI registry since July 2024. He is enrolled in Medicare PECOS and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Adam Graham Stewart Mbbs, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77030
HOUSTON, TX 77030
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Adam Stewart's NPI number?
The NPI number for Adam Stewart is 1699512863. It was assigned to this individual provider in the NPPES registry on July 13, 2024.
Where is Adam Stewart located?
Adam Stewart practices at 1515 Holcombe Blvd, Houston, TX 77030. The listed phone number is (713) 792-6161.
What is Adam Stewart's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Adam Stewart enrolled in Medicare?
Yes. Adam Stewart is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Adam Stewart was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Adam Graham Stewart, MBBS, MPH · NPI 1699512863
Infectious Disease physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since July 13, 2024.
## Identity
- **NPI:** 1699512863 (Entity type: Individual)
- **Enumerated:** July 13, 2024
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 48814 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1515 HOLCOMBE BLVD, Houston, TX 77030-4000
- **Phone:** (713) 792-6161
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** September 23, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1699512863) · Data from the CMS NPPES public registry.