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NICHOLAS A RUBASHKIN M.D.
NPI 1154459998
Obstetrics & Gynecology in San Francisco, CA

Active since March 02, 2007PECOS Enrolled
1580 VALENCIA ST, STE 508, SAN FRANCISCO, CA 94110(415) 641-2140(415) 641-2150 Get Directions Write a Review

NPPES record last updated: August 6, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Nicholas A Rubashkin M.d. NPPES

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

NICHOLAS A RUBASHKIN M.D. (NPI 1154459998) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (A94707) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154459998
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameNICHOLAS A RUBASHKINCredential: M.D.
Location Address1580 VALENCIA ST, STE 508San Francisco, CA 94110-4423
Mailing AddressPo Box 60000, File 74175San Francisco, CA 94160-0001 · (415) 641-2177 · Fax (415) 641-2190
Phone(415) 641-2140
Fax(415) 641-2150
Sole ProprietorNo
Enumeration DateMarch 2, 2007
Last NPPES UpdateAugust 6, 2010
✔ NPI 1154459998 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A94707
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1580 VALENCIA ST, San Francisco, CA 94110
Open in Google Maps ↗

Other Identifiers 1

OtherA94707CA · California State Medical License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nicholas A Rubashkin 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.

Medicare Billing Reassignments

3

Medicare enrollment records show Nicholas Rubashkin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sutter Bay Hospitals
Same address
Clinic/Center
1580 VALENCIA STREET, SUITE 506
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 132 clinicians in this Medicare group
NPI 1871826925 (415) 647-8111
University Of California San Francisco
2.4 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
2.4 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94110 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.

DR. NANCY J BOHANNON M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1580 VALENCIA ST, STE 504
SAN FRANCISCO, CA 94110
San Francisco County (415) 648-7622
JACQUELINE JAYNE M.D.
Preventive Medicine (Occupational Medicine)
1580 VALENCIA ST, SUITE 106
SAN FRANCISCO, CA 94110
San Francisco County (415) 641-6667
RENAL MEDICAL ASSOCIATES
Internal Medicine (Nephrology)
1580 VALENCIA ST, STE 806
SAN FRANCISCO, CA 94110
San Francisco County (415) 647-6660
SOMA ORTHOPEDICS MEDICAL GROUP INC
Orthopaedic Surgery
1580 VALENCIA ST, SUITE 703
SAN FRANCISCO, CA 94110
San Francisco County (415) 642-0707
DR. EDWARD S KERSH MD
Internal Medicine (Cardiovascular Disease)
1580 VALENCIA ST, SUITE 412
SAN FRANCISCO, CA 94110
San Francisco County (415) 970-0130
MAURIZIO BONACINI M.D.
Internal Medicine (Hepatology)
1580 VALENCIA ST, STE 208
SAN FRANCISCO, CA 94110
San Francisco County (415) 641-3430
DR. SACHA Z. NIEMI MD
Family Medicine
1580 VALENCIA ST, SUITE 201
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-7541
DR. JAM FLODIUS D.C.
Chiropractor
1580 VALENCIA ST, SUITE # 102
SAN FRANCISCO, CA 94110
San Francisco County (415) 821-0600

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 Nicholas Rubashkin's NPI number?

The NPI number for Nicholas Rubashkin is 1154459998. It was assigned to this individual provider in the NPPES registry on March 2, 2007.

Where is Nicholas Rubashkin located?

Nicholas Rubashkin practices at 1580 Valencia St Ste 508, San Francisco, CA 94110. The listed phone number is (415) 641-2140.

What is Nicholas Rubashkin's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Nicholas Rubashkin enrolled in Medicare?

Yes. Nicholas Rubashkin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Nicholas Rubashkin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Rubashkin reassigns Medicare benefits to 3 organizations: Sutter Bay Hospitals (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nicholas Rubashkin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nicholas Rubashkin was last updated on August 6, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.