DR. GREGORY WILLIAM HOSIER MD, MSC
NPI 1902570716
Urology in San Francisco, CA

Active since August 04, 2021PECOS Enrolled
400 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 353-2200 Get Directions Write a Review

NPPES record last updated: August 4, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Gregory William Hosier Md, Msc NPPES

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

DR. GREGORY WILLIAM HOSIER MD, MSC (NPI 1902570716) is an individual urology provider in San Francisco, California, licensed in California (A174287) and active in the NPI registry since August 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1902570716
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameDR. GREGORY WILLIAM HOSIERCredential: MD, MSC
Location Address400 PARNASSUS AVESan Francisco, CA 94143-2202
Mailing Address400 Parnassus AveSan Francisco, CA 94143-2202
Sole ProprietorNo
Enumeration DateAugust 4, 2021
NPPES CertifiedJuly 21, 2021
NPI 1902570716 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
License Licensed in CA · A174287
Definition
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
400 PARNASSUS AVE, San Francisco, CA 94143

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. Gregory William Hosier Md, Msc 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 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
$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
$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.

Ophthalmology
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery (Surgical Critical Care)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Otolaryngology (Pediatric Otolaryngology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Physician Assistant
400 PARNASSUS AVE, 3RD FLOOR, SUITE 311
SAN FRANCISCO, CA 94143
Physical Therapist
400 PARNASSUS AVE, A-68
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Orthopaedic Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 PARNASSUS AVE
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 Gregory Hosier's NPI number?

The NPI number for Gregory Hosier is 1902570716. It was assigned to this individual provider in the NPPES registry on August 4, 2021.

Where is Gregory Hosier located?

Gregory Hosier practices at 400 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 353-2200.

What is Gregory Hosier's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Gregory Hosier enrolled in Medicare?

Yes. Gregory Hosier is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Gregory Hosier was last updated on August 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.