Siri Nadella
NPI 1821988429 · Internal Medicine Physician · Galveston, TX
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siri Nadella is a Internal Medicine Physician provider in Galveston, TX (NPI 1821988429).
Provider details
- NPI number
- 1821988429
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- BP10094095 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2025-07-07
- Last updated
- 2025-07-07
- Certified
- 2025-07-06
Frequently asked questions
- What is Siri Nadella's NPI number?
- Siri Nadella's National Provider Identifier (NPI) is 1821988429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siri Nadella's specialty?
- Siri Nadella is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Siri Nadella located?
- Siri Nadella's practice location on file with NPPES is University of Texas Medical Branch 301 University Blvd, Galveston, TX 77555-0001.
- What is Siri Nadella's phone number?
- The practice phone number listed in the NPPES registry for Siri Nadella is (409) 747-1883.
- Does Siri Nadella accept Medicare?
- Siri Nadella is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siri Nadella's NPI active?
- Yes — Siri Nadella's NPI (1821988429) is active in the NPPES registry as of the last update on 2025-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.