JOHN DAVID CULBERTSON, MD INC
NPI 1295548105
Internal Medicine in San Anselmo, CA

Q: What is John David Culbertson, MD Inc's NPI number?

The NPI number for John David Culbertson, MD Inc is 1295548105. It was assigned to this organization in the NPPES registry on January 27, 2025.

Q: What is John David Culbertson, MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since January 27, 2025

895 SIR FRANCIS DRAKE BLVD, SAN ANSELMO, CA 94960(415) 925-3617(415) 925-3597 Get Directions Write a Review

NPPES record last updated: January 27, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About John David Culbertson, Md Inc NPPES

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

JOHN DAVID CULBERTSON, MD INC (NPI 1295548105) is a healthcare organization registered as an internal medicine in San Anselmo, California and active in the NPI registry since January 2025. The organization lists John David Culbertson, President/owner, as its authorized official.

NPPES Registry Identity

NPI1295548105

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameJOHN DAVID CULBERTSON, MD INC

Location Address895 SIR FRANCIS DRAKE BLVDSan Anselmo, CA 94960-1916

Mailing AddressPo Box 6671Santa Rosa, CA 95406-0671

Phone(415) 925-3617

Fax(415) 925-3597

Organization SubpartNo

Authorized OfficialJohn David CulbertsonPresident/owner · (415) 925-3617

Enumeration DateJanuary 27, 2025

NPPES CertifiedJanuary 27, 2025

✔ NPI 1295548105 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

895 SIR FRANCIS DRAKE BLVD, San Anselmo, CA 94960

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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)

John David Culbertson, 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 David Culbertson, MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

John Culbertson, M.D.

Internal Medicine

NPI 1649219833

895 SIR FRANCIS DRAKE BLVD
San Anselmo, CA 94960

(415) 925-3617

✔ 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 John David Culbertson, MD Inc's NPI number?

The NPI number for John David Culbertson, MD Inc is 1295548105. It was assigned to this organization in the NPPES registry on January 27, 2025.

Where is John David Culbertson, MD Inc located?

John David Culbertson, MD Inc is located at 895 Sir Francis Drake Blvd, San Anselmo, CA 94960. The listed phone number is (415) 925-3617.

What is John David Culbertson, MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is John David Culbertson, MD Inc enrolled in Medicare?

Yes. John David Culbertson, MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through John David Culbertson, MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to John David Culbertson, 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 David Culbertson, MD Inc was last updated on January 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.