Penelope Blalack, MD
NPI 1437136629 · Family Medicine Physician · San Antonio, TX
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Penelope Blalack, MD is a Family Medicine Physician provider in San Antonio, TX (NPI 1437136629).
Provider details
- NPI number
- 1437136629
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- License
- K5457 (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
20 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
- 2005-12-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Penelope Blalack's NPI number?
- Penelope Blalack's National Provider Identifier (NPI) is 1437136629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Penelope Blalack's specialty?
- Penelope Blalack is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Penelope Blalack located?
- Penelope Blalack's practice location on file with NPPES is 287 Thorain Blvd, San Antonio, TX 78212-1229.
- What is Penelope Blalack's phone number?
- The practice phone number listed in the NPPES registry for Penelope Blalack is (775) 426-9632.
- Does Penelope Blalack accept Medicare?
- Penelope Blalack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Penelope Blalack's NPI active?
- Yes — Penelope Blalack's NPI (1437136629) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.