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NORTH SAN ANTONIO HEALTHCARE ASSOCIATES
NPI 1295880987
Family Medicine in San Antonio, TX

Active since January 24, 2007CLIA 45D0689472 · Microscopy
3338 OAKWELL COURT, SUITE 107, SAN ANTONIO, TX 78218(210) 822-3646(210) 822-5242 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About North San Antonio Healthcare Associates NPPES

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

NORTH SAN ANTONIO HEALTHCARE ASSOCIATES (NPI 1295880987) is a healthcare organization registered as a family medicine in San Antonio, Texas and active in the NPI registry since January 2007. The organization holds a CLIA Microscopy certificate valid through December 14, 2027 and lists Gordon T Hill, President, as its authorized official.

NPPES Registry Identity

NPI1295880987
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameNORTH SAN ANTONIO HEALTHCARE ASSOCIATES
Location Address3338 OAKWELL COURT, SUITE 107San Antonio, TX 78218-3019
Mailing Address3338 Oakwell Court, Suite 107San Antonio, TX 78218-3019 · (210) 822-3646 · Fax (210) 822-5242
Phone(210) 822-3646
Fax(210) 822-5242
Organization SubpartNo
Authorized OfficialGordon T HillPresident · (210) 822-3646
Enumeration DateJanuary 24, 2007
Last NPPES UpdateAugust 22, 2020
✔ NPI 1295880987 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
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.
3338 OAKWELL COURT, San Antonio, TX 78218
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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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

North San Antonio Healthcare Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to North San Antonio Healthcare Associates, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Clifford Alprin, M.D.
Family Practice
NPI 1568504835
3338 OAKWELL CT SUITE 107
San Antonio, TX 78218
(210) 822-3646
✔ PECOS✔ Accepts MedicareSame address
Russell Ross, MSN, APRN, FNP-C
Nurse Practitioner
NPI 1619526761
3338 OAKWELL CT STE 107
San Antonio, TX 78218
(210) 477-1151
✔ PECOS✔ Accepts MedicareSame address
Laura Woods, FNP-C
Nurse Practitioner
NPI 1538089495
3338 OAKWELL CT STE 107
San Antonio, TX 78218
(210) 822-3646
✔ PECOS✔ Accepts MedicareSame address
David Sandercock, DO
Family Practice
NPI 1871672436
3338 OAKWELL COURT SUITE 107
San Antonio, TX 78218
(210) 822-3646
✔ PECOS✔ Accepts MedicareSame address
Walter Walthall, MD
Family Practice
NPI 1750460317
1919 OAKWELL FARMS PKWY STE 120
San Antonio, TX 78218
(210) 982-6886
✔ PECOS✔ Accepts Medicare0.3 mi
Marlene Herrera, NP-C
Nurse Practitioner
NPI 1477195527
11907 US HIGHWAY 87 W
La Vernia, TX 78121
(830) 253-1216
✔ PECOS✔ Accepts Medicare23 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 for Provider-Performed Microscopy Procedures (PPMP) 45D0689472

North San Antonio Healthcare Associates · San Antonio, TX
Active · expires Dec 14, 2027
CLIA Number45D0689472
Laboratory TypePhysician Office
Certificate Effective DateDecember 15, 2025
Certificate Expiration DateDecember 14, 2027
Laboratory DirectorClifford N. Alprin
Laboratory Phone(210) 822-3646
Laboratory LocationNorth San Antonio Healthcare Associates3338 Oakwell Court Suite 107, San Antonio, TX 78218
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 North San Antonio Healthcare Associates's NPI number?

The NPI number for North San Antonio Healthcare Associates is 1295880987. It was assigned to this organization in the NPPES registry on January 24, 2007.

Where is North San Antonio Healthcare Associates located?

North San Antonio Healthcare Associates is located at 3338 Oakwell Court Suite 107, San Antonio, TX 78218. The listed phone number is (210) 822-3646.

What is North San Antonio Healthcare Associates's specialty?

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

Is North San Antonio Healthcare Associates enrolled in Medicare?

Yes. North San Antonio Healthcare Associates is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through North San Antonio Healthcare Associates?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to North San Antonio Healthcare Associates. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Family Practice (3) and Nurse Practitioner (3). Of these, 4 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does North San Antonio Healthcare Associates hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 45D0689472) is associated with this NPI, valid through December 14, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for North San Antonio Healthcare Associates was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.