Sierra Sullivan, MD
NPI 1598402802 · Student in an Organized Health Care Education/Training Program · Lubbock, TX
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sierra Sullivan, MD is a Student in an Organized Health Care Education/Training Program provider in Lubbock, TX (NPI 1598402802).
Provider details
- NPI number
- 1598402802
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Gabapentin | 35 |
| Tramadol Hcl | 20 |
| Semaglutidebrand: Ozempic | 20 |
| Empagliflozinbrand: Jardiance | 20 |
| Trazodone Hcl | 19 |
| Atorvastatin Calcium | 19 |
| Levothyroxine Sodium | 19 |
| Tirzepatidebrand: Mounjaro | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-05-18
- Last updated
- 2025-06-30
- Certified
- 2025-06-30
Frequently asked questions
- What is Sierra Sullivan's NPI number?
- Sierra Sullivan's National Provider Identifier (NPI) is 1598402802, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Sullivan's specialty?
- Sierra Sullivan is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Sierra Sullivan located?
- Sierra Sullivan's practice location on file with NPPES is Department of Internal Medicine - 3601 4th St, Lubbock, TX 79430-0001.
- What is Sierra Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Sierra Sullivan is (623) 313-0601.
- Does Sierra Sullivan accept Medicare?
- Sierra Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sierra Sullivan's NPI active?
- Yes — Sierra Sullivan's NPI (1598402802) is active in the NPPES registry as of the last update on 2025-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.