JOHN R WALTERS MD INC
NPI 1104621648
Clinic/Center - Primary Care in Oxnard, CA

Active since February 18, 2025
703 N A ST, OXNARD, CA 93030(805) 485-2340(805) 485-1429 Get Directions Write a Review

NPPES record last updated: June 30, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 30, 2025, Feb 18, 2025 (2 updates tracked since 2025).

About John R Walters Md Inc NPPES

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

JOHN R WALTERS MD INC (NPI 1104621648) is a healthcare organization registered as a primary care in Oxnard, California and active in the NPI registry since February 2025. The organization lists John Ramsay Walters, Owner, as its authorized official.

NPPES Registry Identity

NPI1104621648
Entity TypeOrganization
Primary Taxonomy261QP2300X
Legal Business NameJOHN R WALTERS MD INC
Location Address703 N A STOxnard, CA 93030-4309
Mailing Address703 N A StOxnard, CA 93030-4309 · (805) 485-2340 · Fax (805) 485-1429
Fax(805) 485-1429
Organization SubpartNo
Authorized OfficialJohn Ramsay WaltersOwner · (805) 485-2340
Enumeration DateFebruary 18, 2025
Last NPPES UpdateJune 30, 20252 updates tracked since enumeration
NPPES CertifiedJune 30, 2025
✔ NPI 1104621648 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Primary CareAmbulatory Health Care Facilities
Taxonomy Code261QP2300X
Also ListedClinic/Center · Medical SpecialtyTaxonomy 261QM2500X
703 N A ST, Oxnard, CA 93030

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John R Walters Md Inc 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 John R Walters MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Internal Medicine
NPI 1013907203
703 N A ST
Oxnard, CA 93030
(805) 485-2340
✔ PECOS✔ Accepts Medicare0.4 mi

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 John R Walters MD Inc's NPI number?

The NPI number for John R Walters MD Inc is 1104621648. It was assigned to this organization in the NPPES registry on February 18, 2025.

Where is John R Walters MD Inc located?

John R Walters MD Inc is located at 703 N A St, Oxnard, CA 93030. The listed phone number is (805) 485-2340.

What is John R Walters MD Inc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.

Is John R Walters MD Inc enrolled in Medicare?

Yes. John R Walters MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through John R Walters MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to John R Walters MD Inc. 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.

When was this NPI record last updated?

The NPPES record for John R Walters MD Inc was last updated on June 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.