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MARY PETROFSKY NP
NPI 1013220359
Nurse Practitioner - Acute Care in San Francisco, CA

Active since July 15, 2010PECOS EnrolledAccepts Medicare Assignment
505 PARNASSUS AVE RM M1286, SAN FRANCISCO, CA 94143(415) 527-8322(415) 476-0624 Get Directions Write a Review

NPPES record last updated: August 6, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mary Petrofsky Np NPPES

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

MARY PETROFSKY NP (NPI 1013220359) is an individual acute care provider in San Francisco, California, licensed in California (NP 18337) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Stanford, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1013220359
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMARY PETROFSKYCredential: NP
Location Address505 PARNASSUS AVE RM M1286San Francisco, CA 94143-2204
Mailing Address505 Parnassus Ave Rm M1286San Francisco, CA 94143-2204 · (415) 527-8322 · Fax (415) 476-0624
Phone(415) 527-8322
Fax(415) 476-0624
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJuly 15, 2010
Last NPPES UpdateAugust 6, 2023
NPPES CertifiedAugust 6, 2023
✔ NPI 1013220359 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in CA · NP 18337
Also ListedNurse PractitionerTaxonomy 363L00000X · License NP 18337 (CA)
505 PARNASSUS AVE RM M1286, San Francisco, CA 94143
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Secondary Practice Location 1

Location 1300 Pasteur Drive, Room H0105, Mail Code 5221Stanford, CA 94305-5221 · Phone (650) 736-2536 · Fax (650) 736-2547

Other Identifiers 1

Other1437292927CA · Medi-cal

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

Mary Petrofsky Np 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 ID6608065040
PECOS Enrollment IDI20110114001030
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.

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 Mary Petrofsky's NPI number?

The NPI number for Mary Petrofsky is 1013220359. It was assigned to this individual provider in the NPPES registry on July 15, 2010.

Where is Mary Petrofsky located?

Mary Petrofsky practices at 505 Parnassus Ave Rm M1286, San Francisco, CA 94143. The listed phone number is (415) 527-8322.

What is Mary Petrofsky's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Mary Petrofsky enrolled in Medicare?

Yes. Mary Petrofsky 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 Mary Petrofsky was last updated on August 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.