MARIN GRACE OLSON
NPI 1407433782
Emergency Medicine in San Francisco, CA

Active since March 24, 2021PECOS EnrolledAccepts Medicare Assignment
505 PARNASSUS AVE RM M24, SAN FRANCISCO, CA 94143(415) 353-1529 Get Directions Write a Review

NPPES record last updated: September 2, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 2, 2025, Mar 24, 2021 (2 updates tracked since 2021).

About Marin Grace Olson NPPES

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

MARIN GRACE OLSON (NPI 1407433782) is an individual emergency medicine provider in San Francisco, California, licensed in California (A194724) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of University Of Minnesota Medical School (2021).

NPPES Registry Identity

NPI1407433782
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameMARIN GRACE OLSON
Location Address505 PARNASSUS AVE RM M24San Francisco, CA 94143-2204
Mailing Address505 Parnassus Ave Rm M24San Francisco, CA 94143-2204 · (415) 353-1529
Sole ProprietorNo
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2021
Enumeration DateMarch 24, 2021
Last NPPES UpdateSeptember 2, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2025
NPI 1407433782 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in CA · A194724
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
505 PARNASSUS AVE RM M24, San Francisco, CA 94143

Secondary Practice Location 1

Location 11001 Potrero Avenue, Blg. 25, First FloorSan Francisco, CA 94110 · Phone (628) 206-8111

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

Marin Grace Olson 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 ID2961858402
PECOS Enrollment IDI20250819003421
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 94143 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
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.

Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE RM M24
SAN FRANCISCO, CA 94143
Emergency Medicine
505 PARNASSUS AVE RM M24
SAN FRANCISCO, CA 94143
Emergency Medicine
505 PARNASSUS AVE RM M24
SAN FRANCISCO, CA 94143
Emergency Medicine
505 PARNASSUS AVE RM M24
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE RM M24
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE RM M24
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE RM M24
SAN FRANCISCO, CA 94143
Emergency Medicine
505 PARNASSUS AVE RM M24
SAN FRANCISCO, CA 94143

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 Marin Olson's NPI number?

The NPI number for Marin Olson is 1407433782. It was assigned to this individual provider in the NPPES registry on March 24, 2021.

Where is Marin Olson located?

Marin Olson practices at 505 Parnassus Ave Rm M24, San Francisco, CA 94143. The listed phone number is (415) 353-1529.

What is Marin Olson's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Marin Olson enrolled in Medicare?

Yes. Marin Olson 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 Marin Olson was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.