Grisset Rivera Diaz, M.D.
NPI 1235361999 · Pediatrics Physician · Sugar Land, TX
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grisset Rivera Diaz, M.D. is a Pediatrics Physician provider in Sugar Land, TX (NPI 1235361999).
Provider details
- NPI number
- 1235361999
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- P3965 (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
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2009-08-13
- Last updated
- 2013-03-21
Frequently asked questions
- What is Grisset Rivera Diaz's NPI number?
- Grisset Rivera Diaz's National Provider Identifier (NPI) is 1235361999, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grisset Rivera Diaz's specialty?
- Grisset Rivera Diaz is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Grisset Rivera Diaz located?
- Grisset Rivera Diaz's practice location on file with NPPES is 15551 Southwest Fwy, Sugar Land, TX 77478-3830.
- What is Grisset Rivera Diaz's phone number?
- The practice phone number listed in the NPPES registry for Grisset Rivera Diaz is (281) 325-1010.
- Does Grisset Rivera Diaz accept Medicare?
- Grisset Rivera Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grisset Rivera Diaz's NPI active?
- Yes — Grisset Rivera Diaz's NPI (1235361999) is active in the NPPES registry as of the last update on 2013-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.