DR. CAROLYN PETERSEN M.D.
NPI 1215381173
Internal Medicine in Sausalito, CA

Active since April 18, 2016PECOS Enrolled
509 LITHO ST, SAUSALITO, CA 94965(415) 521-0481 Get Directions Write a Review

NPPES record last updated: April 18, 2016. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Dr. Carolyn Petersen M.d. NPPES

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

DR. CAROLYN PETERSEN M.D. (NPI 1215381173) is an individual internal medicine provider in Sausalito, California, licensed in California (G32490) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215381173
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. CAROLYN PETERSENCredential: M.D.
Location Address509 LITHO STSausalito, CA 94965-1833
Mailing Address1001 Bridgeway, #707Sausalito, CA 94965-2104 · (415) 521-0481
Sole ProprietorYes
Enumeration DateApril 18, 2016
✔ NPI 1215381173 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G32490
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.
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License G32490 (CA)
509 LITHO ST, Sausalito, CA 94965

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Carolyn Petersen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 94965 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.

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 Petersen's NPI number?

The NPI number for Carolyn Petersen is 1215381173. It was assigned to this individual provider in the NPPES registry on April 18, 2016.

Where is Carolyn Petersen located?

Carolyn Petersen practices at 509 Litho St, Sausalito, CA 94965. The listed phone number is (415) 521-0481.

What is Carolyn Petersen's specialty?

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

Is Carolyn Petersen enrolled in Medicare?

Yes. Carolyn Petersen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Carolyn Petersen was last updated on April 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.