STEVEN G WINSLOW P.A.-C
NPI 1366535296
Physician Assistant in San Francisco, CA

Active since October 02, 2006PECOS EnrolledAccepts Medicare Assignment
333 1ST ST STE A, SAN FRANCISCO, CA 94105(888) 803-3370(888) 803-3331 Get Directions Write a Review

NPPES record last updated: March 6, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 6, 2025, Jan 12, 2021 (2 updates tracked since 2021).

About Steven G Winslow P.a.-c NPPES

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

STEVEN G WINSLOW P.A.-C (NPI 1366535296) is an individual physician assistant in San Francisco, California, licensed in Florida (PA 2769) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1993).

NPPES Registry Identity

NPI1366535296
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameSTEVEN G WINSLOWCredential: P.A.-C
Location Address333 1ST ST STE ASan Francisco, CA 94105-2661
Mailing Address8453 Se Banyan Tree StHobe Sound, FL 33455-2904 · (561) 573-4967
Fax(888) 803-3331
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateOctober 2, 2006
Last NPPES UpdateMarch 6, 20252 updates tracked since enumeration
NPPES CertifiedMarch 6, 2025
NPI 1366535296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses Licensed in FL · PA 2769 Licensed in NC · 0010-12921 Licensed in CA · 53408 Licensed in WA · 60999946
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
333 1ST ST STE A, San Francisco, CA 94105

Accepted Insurance

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

Steven G Winslow P.a.-c 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 ID9537261631
PECOS Enrollment IDI20070220000518, I20240805001597
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 94105 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
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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.

Nurse Practitioner (Family)
333 1ST ST STE A
SAN FRANCISCO, CA 94105
Physician Assistant
333 1ST ST STE A
SAN FRANCISCO, CA 94105
Physician Assistant (Medical)
333 1ST ST STE A
SAN FRANCISCO, CA 94105
Nurse Practitioner (Family)
333 1ST ST STE A
SAN FRANCISCO, CA 94105
Nurse Practitioner (Primary Care)
333 1ST ST STE A
SAN FRANCISCO, CA 94105
Physician Assistant (Medical)
333 1ST ST STE A
SAN FRANCISCO, CA 94105
Physician Assistant
333 1ST ST STE A
SAN FRANCISCO, CA 94105
Nurse Practitioner (Family)
333 1ST ST STE A
SAN FRANCISCO, CA 94105

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 Steven Winslow's NPI number?

The NPI number for Steven Winslow is 1366535296. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Where is Steven Winslow located?

Steven Winslow practices at 333 1st St Ste A, San Francisco, CA 94105. The listed phone number is (888) 803-3370.

What is Steven Winslow's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Steven Winslow enrolled in Medicare?

Yes. Steven Winslow 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.

What insurance does Steven Winslow accept?

Health plans from AvMed list Steven Winslow as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Steven Winslow was last updated on March 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.