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WALTER WALTHALL IV MD PLLC
NPI 1780548107
Family Medicine in San Antonio, TX

Active since December 10, 2025
1919 OAKWELL FARMS PKWY STE 120, SAN ANTONIO, TX 78218(210) 982-6886(800) 861-1681 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Walter Walthall Iv Md Pllc NPPES

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

WALTER WALTHALL IV MD PLLC (NPI 1780548107) is a healthcare organization registered as a family medicine in San Antonio, Texas and active in the NPI registry since December 2025. The organization lists Walter Walthall, Physician/owner, as its authorized official.

NPPES Registry Identity

NPI1780548107
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameWALTER WALTHALL IV MD PLLC
Location Address1919 OAKWELL FARMS PKWY STE 120San Antonio, TX 78218-1778
Mailing Address1919 Oakwell Farms Pkwy Ste 120San Antonio, TX 78218-1778 · (210) 982-6886 · Fax (800) 861-1681
Phone(210) 982-6886
Fax(800) 861-1681
Organization SubpartNo
Authorized OfficialWalter WalthallPhysician/owner · (210) 982-6886
Enumeration DateDecember 10, 2025
Last NPPES UpdateDecember 11, 2025
NPPES CertifiedDecember 11, 2025
✔ NPI 1780548107 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.
1919 OAKWELL FARMS PKWY STE 120, 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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Walter Walthall Iv Md Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Walter Walthall IV MD PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Walter Walthall, MD
Family Practice
NPI 1750460317
1919 OAKWELL FARMS PKWY STE 120
San Antonio, TX 78218
(210) 982-6886
✔ PECOS✔ Accepts MedicareSame address

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

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 Walter Walthall IV MD PLLC's NPI number?

The NPI number for Walter Walthall IV MD PLLC is 1780548107. It was assigned to this organization in the NPPES registry on December 10, 2025.

Where is Walter Walthall IV MD PLLC located?

Walter Walthall IV MD PLLC is located at 1919 Oakwell Farms Pkwy Ste 120, San Antonio, TX 78218. The listed phone number is (210) 982-6886.

What is Walter Walthall IV MD PLLC's specialty?

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

Is Walter Walthall IV MD PLLC enrolled in Medicare?

Yes. Walter Walthall IV MD PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Walter Walthall IV MD PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Walter Walthall IV MD PLLC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Walter Walthall IV MD PLLC accept?

Health plans from Blue Cross and Blue Shield of Texas list Walter Walthall IV MD PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Walter Walthall IV MD PLLC was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.