Alyssa Simpson, MD
NPI 1003247974 · Neonatal-Perinatal Medicine Physician · Austin, TX
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alyssa Simpson, MD is a Neonatal-Perinatal Medicine Physician provider in Austin, TX (NPI 1003247974).
Provider details
- NPI number
- 1003247974
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- T3009 (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
12 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
- 2013-12-03
- Last updated
- 2026-03-24
- Certified
- 2026-03-24
Frequently asked questions
- What is Alyssa Simpson's NPI number?
- Alyssa Simpson's National Provider Identifier (NPI) is 1003247974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alyssa Simpson's specialty?
- Alyssa Simpson is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alyssa Simpson located?
- Alyssa Simpson's practice location on file with NPPES is 3000 N. I-35, Austin, TX 78705.
- What is Alyssa Simpson's phone number?
- The practice phone number listed in the NPPES registry for Alyssa Simpson is (478) 301-2600.
- Does Alyssa Simpson accept Medicare?
- Alyssa Simpson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alyssa Simpson's NPI active?
- Yes — Alyssa Simpson's NPI (1003247974) is active in the NPPES registry as of the last update on 2026-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.