Charles Miller, M.D.
NPI 1184700254 · Gastroenterology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Miller, M.D. is a Gastroenterology Physician provider in San Antonio, TX (NPI 1184700254).
Provider details
- NPI number
- 1184700254
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- U5168 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1100 Wilford Hall Loop Bldg 4554Jbsa Lackland, TX 78236Phone: (210) 292-4951
Registry dates
- Enumerated
- 2006-10-31
- Last updated
- 2024-05-03
- Certified
- 2024-05-03
Frequently asked questions
- What is Charles Miller's NPI number?
- Charles Miller's National Provider Identifier (NPI) is 1184700254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Miller's specialty?
- Charles Miller is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Miller located?
- Charles Miller's practice location on file with NPPES is 8435 Wurzbach Rd Ste 305, San Antonio, TX 78229-3374.
- What is Charles Miller's phone number?
- The practice phone number listed in the NPPES registry for Charles Miller is (210) 450-9800.
- Does Charles Miller accept Medicare?
- Charles Miller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Miller's NPI active?
- Yes — Charles Miller's NPI (1184700254) is active in the NPPES registry as of the last update on 2024-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.