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DR. JOHN DAVID CULBERTSON M.D.
NPI 1649219833
Internal Medicine in San Anselmo, CA

Active since June 05, 2006PECOS EnrolledAccepts Medicare Assignment
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 22, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 21, 2024, Jan 4, 2022 (2 updates tracked since 2022).

About Dr. John David Culbertson M.d. NPPES

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

DR. JOHN DAVID CULBERTSON M.D. (NPI 1649219833) is an individual internal medicine provider in San Anselmo, California, licensed in California (A99250) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Medical University Of South Carolina College Of Medicine (1998).

NPPES Registry Identity

NPI1649219833
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN DAVID CULBERTSONCredential: M.D.
Location Address895 SIR FRANCIS DRAKE BLVDSan Anselmo, CA 94960-1916
Mailing AddressPo Box 6671Santa Rosa, CA 95406-0671 · (707) 544-7331
Phone(415) 925-3617
Fax(415) 925-3597
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 1998
Enumeration DateJune 5, 2006
Last NPPES UpdateJanuary 22, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2025
✔ NPI 1649219833 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CA · A99250✔ Licensed in AL · 23216✔ Licensed in SC · 26725
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
Open in Google Maps ↗

Other Identifiers 5

Other7326490SC · Cigna
Medicaid267259SC
Other7777585SC · Aetna
Other57-6007863095SC · Bcbs Of Sc
Other57-6007863095SC · Blue Choice Of Sc

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John David Culbertson M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5597749770
PECOS Enrollment IDI20070629000200
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show John Culbertson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

John David Culbertson, MD Inc
Same address
Internal Medicine
895 SIR FRANCIS DRAKE BLVD
San Anselmo, CA 94960
  • Reassigned Medicare billing, California enrollment
NPI 1295548105 (415) 925-3617
Permanente Medical Group Inc
12 mi
Internal Medicine
901 NEVIN
Richmond, CA 94801
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1235226531 (510) 307-1555

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94960 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.04 typical visit price
range $69.07 – $202.63
Typical copayment $38.51 (range $17.26 – $50.65)
Most-billed visit code 99204
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

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

DR. DAVID L OGDEN M.D.
Internal Medicine
895 SIR FRANCIS DRAKE BLVD
SAN ANSELMO, CA 94960
Marin County (415) 925-3596
DBT PSYCHOLOGY CENTER OF MARIN, PC
Psychologist (Clinical)
895 SIR FRANCIS DRAKE BLVD
SAN ANSELMO, CA 94960
Marin County (415) 699-7464
JOHN DAVID CULBERTSON, MD INC
Internal Medicine
895 SIR FRANCIS DRAKE BLVD
SAN ANSELMO, CA 94960
Marin County (415) 925-3617
DR. ALICIA E SMART PSYD
Psychologist (Clinical)
895 SIR FRANCIS DRAKE BLVD
SAN ANSELMO, CA 94960
Marin County (415) 459-5206
KWOK INTERNAL MEDICINE A MEDICAL CORPORATION
Internal Medicine
895 SIR FRANCIS DRAKE BLVD
SAN ANSELMO, CA 94960
Marin County (415) 925-3617
MARIAN H CREMIN LCSW
Social Worker (Clinical)
895 SIR FRANCIS DRAKE BLVD
SAN ANSELMO, CA 94960
Marin County (415) 459-5206
MARIN PERSONALIZED MEDICINE, INC.
Clinic/Center (Medical Specialty)
895 SIR FRANCIS DRAKE BLVD
SAN ANSELMO, CA 94960
Marin County (415) 925-3617
DBT CENTER OF MARIN
Psychologist
895 SIR FRANCIS DRAKE BLVD
SAN ANSELMO, CA 94960
Marin County (415) 459-5206

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 Culbertson's NPI number?

The NPI number for John Culbertson is 1649219833. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is John Culbertson located?

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

What is John Culbertson's specialty?

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

Is John Culbertson enrolled in Medicare?

Yes. John Culbertson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for John Culbertson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), John Culbertson reassigns Medicare benefits to 2 organizations: John David Culbertson, MD Inc (San Anselmo, CA) and Permanente Medical Group Inc (Richmond, CA). Each 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 John Culbertson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for John Culbertson was last updated on January 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.