Alfonso Hoyos Martinez, MD
NPI 1851775217 · Pediatric Endocrinology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alfonso Hoyos Martinez, MD is a Pediatric Endocrinology Physician provider in Houston, TX (NPI 1851775217).
Provider details
- NPI number
- 1851775217
- Entity type
- Individual
- Primary specialty
- Pediatric Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R7764 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% 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)
- 18200 Katy Fwy Ste 250Houston, TX 77094-1285Phone: (832) 227-1370Fax: (832) 825-9277
Registry dates
- Enumerated
- 2015-07-16
- Last updated
- 2024-03-11
- Certified
- 2021-03-03
Frequently asked questions
- What is Alfonso Hoyos Martinez's NPI number?
- Alfonso Hoyos Martinez's National Provider Identifier (NPI) is 1851775217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfonso Hoyos Martinez's specialty?
- Alfonso Hoyos Martinez is listed in the NPPES registry with a primary specialty of Pediatric Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Alfonso Hoyos Martinez located?
- Alfonso Hoyos Martinez's practice location on file with NPPES is 6701 Fannin St Ste 1020, Houston, TX 77030-2611.
- What is Alfonso Hoyos Martinez's phone number?
- The practice phone number listed in the NPPES registry for Alfonso Hoyos Martinez is (832) 824-0551.
- Does Alfonso Hoyos Martinez accept Medicare?
- Alfonso Hoyos Martinez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alfonso Hoyos Martinez's NPI active?
- Yes — Alfonso Hoyos Martinez's NPI (1851775217) is active in the NPPES registry as of the last update on 2024-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.