Ian Riter, D.O.
NPI 1891080552 · Internal Medicine Physician · Fort Hood, TX
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Riter, D.O. is a Internal Medicine Physician provider in Fort Hood, TX (NPI 1891080552).
Provider details
- NPI number
- 1891080552
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 3851 Roger Brooke DrMche-QdFort Sam Houston, TX 78234-6200Phone: (210) 916-2460
Registry dates
- Enumerated
- 2011-06-10
- Last updated
- 2018-03-17
Frequently asked questions
- What is Ian Riter's NPI number?
- Ian Riter's National Provider Identifier (NPI) is 1891080552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Riter's specialty?
- Ian Riter is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Riter located?
- Ian Riter's practice location on file with NPPES is Carl R. Darnall Army Medical Center, Fort Hood, TX 76544.
- What is Ian Riter's phone number?
- The practice phone number listed in the NPPES registry for Ian Riter is (254) 288-8090.
- Does Ian Riter accept Medicare?
- Ian Riter is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Riter's NPI active?
- Yes — Ian Riter's NPI (1891080552) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.