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CAROLYN D. MAR MD
NPI 1649358250
Internal Medicine in San Francisco, CA

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
2200 OFARRELL ST, SAN FRANCISCO, CA 94115(415) 833-2000 Get Directions Write a Review

NPPES record last updated: December 6, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Carolyn D. Mar Md NPPES

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

CAROLYN D. MAR MD (NPI 1649358250) is an individual internal medicine provider in San Francisco, California, licensed in California (A64358) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1996).

NPPES Registry Identity

NPI1649358250
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameCAROLYN D. MARCredential: MD
Location Address2200 OFARRELL STSan Francisco, CA 94115-3357
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Phone(415) 833-2000
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1996
Enumeration DateNovember 1, 2006
Last NPPES UpdateDecember 6, 2021
✔ NPI 1649358250 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 · A64358
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.
2200 OFARRELL ST, San Francisco, CA 94115
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Other Identifiers 1

Medicaid00A643580CA

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

Carolyn D. Mar 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 ID1052506581
PECOS Enrollment IDI20101110000750
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 94115 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

APARNA KOTA MD, MPH
Pediatrics
2200 OFARRELL ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 833-2000
SUSAN S. TANG MD
Nuclear Medicine
2200 OFARRELL ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 833-2000
MAURICIO GARZONA MD
Pediatrics
2200 OFARRELL ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 833-2000
DONALD FONG MD
Radiology (Diagnostic Radiology)
2200 OFARRELL ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 833-2000
LUBA NATALIE ABASCAL MD
Internal Medicine
2200 OFARRELL ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 833-2000
ELIZABETH A. ANDREWS MD
Hospitalist
2200 OFARRELL ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 833-2000
CHRISTOPHER L. TYLER MD
Internal Medicine (Critical Care Medicine)
2200 OFARRELL ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 833-2000
SUMEER K. GUPTA MD
Otolaryngology
2200 OFARRELL ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 833-2000

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 Carolyn Mar's NPI number?

The NPI number for Carolyn Mar is 1649358250. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Carolyn Mar located?

Carolyn Mar practices at 2200 Ofarrell St, San Francisco, CA 94115. The listed phone number is (415) 833-2000.

What is Carolyn Mar's specialty?

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

Is Carolyn Mar enrolled in Medicare?

Yes. Carolyn Mar 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 Carolyn Mar was last updated on December 6, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.