1. Home
  2. Directory
  3. Texas
  4. San Antonio
  5. Pediatrics
  6. NPI Profile

HAPPY DAYS PEDIATRICS PLLC
NPI 1447120662
Pediatrics in San Antonio, TX

Active since November 11, 2025CLIA 45D2338406 · Waiver
8700 CROWNHILL BLVD STE 210, SAN ANTONIO, TX 78209(210) 816-1330(210) 855-9169 Get Directions Write a Review

NPPES record last updated: March 5, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Mar 5, 2026, Nov 11, 2025 (2 updates tracked since 2025).

About Happy Days Pediatrics Pllc NPPES

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

HAPPY DAYS PEDIATRICS PLLC (NPI 1447120662), doing business as Happy Days Pediatrics, is a healthcare organization registered as a pediatrics in San Antonio, Texas and active in the NPI registry since November 2025. The organization holds a CLIA Waiver certificate valid through February 9, 2028 and lists Barakah Louise Regina Day, President, as its authorized official.

NPPES Registry Identity

NPI1447120662
Entity TypeOrganization
Primary Taxonomy208000000X
Legal Business NameHAPPY DAYS PEDIATRICS PLLC
Location Address8700 CROWNHILL BLVD STE 210San Antonio, TX 78209-1126
Mailing Address8700 Crownhill Blvd Ste 210San Antonio, TX 78209-1126 · (210) 816-1330 · Fax (210) 855-9169
Phone(210) 816-1330
Fax(210) 855-9169
Organization SubpartNo
Authorized OfficialBarakah Louise Regina DayPresident · (210) 816-1330
Enumeration DateNovember 11, 2025
Last NPPES UpdateMarch 5, 20262 updates tracked since enumeration
NPPES CertifiedMarch 5, 2026
✔ NPI 1447120662 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
8700 CROWNHILL BLVD STE 210, San Antonio, TX 78209
Open in Google Maps ↗

Other Names 1

Doing Business AsHappy Days Pediatrics

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D2338406

Happy Days Pediatrics · San Antonio, TX
Active · expires Feb 9, 2028
CLIA Number45D2338406
Laboratory TypePhysician Office
Certificate Effective DateFebruary 10, 2026
Certificate Expiration DateFebruary 9, 2028
Laboratory DirectorBarakah Day
Laboratory Phone(210) 816-1330
Laboratory LocationHappy Days Pediatrics8700 Crownhill Blvd Suite 210, San Antonio, TX 78209
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BARAKAH LOUISE REGINA DAY MD
Pediatrics
8700 CROWNHILL BLVD STE 210
SAN ANTONIO, TX 78209
Bexar County (210) 816-1330

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 Happy Days Pediatrics PLLC's NPI number?

The NPI number for Happy Days Pediatrics PLLC is 1447120662. It was assigned to this organization in the NPPES registry on November 11, 2025. The provider is doing business as Happy Days Pediatrics.

Where is Happy Days Pediatrics PLLC located?

Happy Days Pediatrics PLLC is located at 8700 Crownhill Blvd Ste 210, San Antonio, TX 78209. The listed phone number is (210) 816-1330.

What is Happy Days Pediatrics PLLC's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Does Happy Days Pediatrics PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D2338406) is associated with this NPI, valid through February 9, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Happy Days Pediatrics PLLC was last updated on March 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.