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MARJORIE L. KELVIN MD
NPI 1801946629
Internal Medicine in Santa Rosa, CA

Active since January 12, 2007PECOS EnrolledAccepts Medicare Assignment
401 BICENTENNIAL WAY, SANTA ROSA, CA 95403(707) 571-4000 Get Directions Write a Review

NPPES record last updated: February 14, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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

NPI1801946629
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARJORIE L. KELVINCredential: MD
Location Address401 BICENTENNIAL WAYSanta Rosa, CA 95403-2149
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Phone(707) 571-4000
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1991
Enumeration DateJanuary 12, 2007
Last NPPES UpdateFebruary 14, 2022
✔ NPI 1801946629 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G76587
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.
401 BICENTENNIAL WAY, Santa Rosa, CA 95403
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Other Identifiers 1

Medicaid00G765870CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID2961688031
PECOS Enrollment IDI20110525000726
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.

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.

New Patient
$142.00 typical visit price
range $63.04 – $187.01
Typical copayment $35.50 (range $15.76 – $46.75)
Most-billed visit code 99204
Established Patient
$109.88 typical visit price
range $21.02 – $153.40
Typical copayment $27.47 (range $5.25 – $38.35)
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 20

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

MS. JESSICA ANNE RUTLAND R.D.
Dietitian, Registered
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (707) 393-4787
KURT FALKENBERG P.T.
Physical Therapist
401 BICENTENNIAL WAY, EAST BUILDING, SUITE 190
SANTA ROSA, CA 95403
Sonoma County (707) 571-3352
DELILAH PATTERSON CRNA
Nurse Anesthetist, Certified Registered
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (707) 393-4616
KRISZTINA J. BALAZS MD
Pediatrics
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (707) 571-4000
JOHN F. KUNKEL MD
Pathology (Anatomic Pathology)
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (707) 571-4000
CRISTINA COREY SCHROEN LCSW
Social Worker (Clinical)
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (707) 571-2536
JIE GIOK RAHARDJA PHARMD
Pharmacist
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (707) 393-4652
CONOR WILLIAM BOWMAN PHARM.D.
Pharmacist
401 BICENTENNIAL WAY
SANTA ROSA, CA 95403
Sonoma County (818) 522-1238

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.

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.