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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. PENELOPE M BLALACK MD
NPI 1437136629
Family Medicine in San Antonio, TX

Active since December 28, 2005PECOS Enrolled
287 THORAIN BLVD, SAN ANTONIO, TX 78212(775) 426-9632 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Penelope M Blalack Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PENELOPE M BLALACK MD (NPI 1437136629) is an individual family medicine provider in San Antonio, Texas, licensed in Texas (K5457) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437136629
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. PENELOPE M BLALACKCredential: MD
Location Address287 THORAIN BLVDSan Antonio, TX 78212-1229
Mailing Address1802 Ennis Joslin Rd, #318Corpus Christi, TX 78412-4338
Phone(775) 426-9632
Sole ProprietorNo
Enumeration DateDecember 28, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1437136629 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · K5457
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
287 THORAIN BLVD, San Antonio, TX 78212
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Penelope M Blalack Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78212 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Penelope Blalack's NPI number?

The NPI number for Penelope Blalack is 1437136629. It was assigned to this individual provider in the NPPES registry on December 28, 2005.

Where is Penelope Blalack located?

Penelope Blalack practices at 287 Thorain Blvd, San Antonio, TX 78212. The listed phone number is (775) 426-9632.

What is Penelope Blalack's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Penelope Blalack enrolled in Medicare?

Yes. Penelope Blalack is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Penelope Blalack was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.