MARJORIE L. KELVIN MD
NPI 1801946629
Internal Medicine in Santa Rosa, CA
About Marjorie L. Kelvin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARJORIE L. KELVIN MD (NPI 1801946629) is an individual internal medicine provider in Santa Rosa, California, licensed in California (G76587) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Columbia University College Of Physicians And Surgeons (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Marjorie L. Kelvin Md 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.
Medicare Billing Reassignment
Medicare enrollment records show Marjorie Kelvin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
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 95403 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA ROSA, CA 95403
SANTA ROSA, CA 95403
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 Marjorie Kelvin's NPI number?
The NPI number for Marjorie Kelvin is 1801946629. It was assigned to this individual provider in the NPPES registry on January 12, 2007.
Where is Marjorie Kelvin located?
Marjorie Kelvin practices at 401 Bicentennial Way, Santa Rosa, CA 95403. The listed phone number is (707) 571-4000.
What is Marjorie Kelvin's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Marjorie Kelvin enrolled in Medicare?
Yes. Marjorie Kelvin 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 organization bills Medicare for Marjorie Kelvin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marjorie Kelvin reassigns Medicare benefits to Permanente Medical Group Inc (Vallejo, CA). The 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 Marjorie Kelvin'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 Marjorie Kelvin was last updated on February 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Marjorie L. Kelvin, MD · NPI 1801946629
Internal Medicine physician in Santa Rosa, California. Individual provider, active in the CMS NPPES registry since January 12, 2007.
## Identity
- **NPI:** 1801946629 (Entity type: Individual)
- **Enumerated:** January 12, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** G76587 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 401 BICENTENNIAL WAY, Santa Rosa, CA 95403-2149
- **Phone:** (707) 571-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1336222397, Vallejo, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 1991
## Record status
- **NPPES last updated:** February 14, 2022
- **Other identifiers:** Medicaid 00G765870 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1801946629) · Data from the CMS NPPES public registry.