DR. KRISTINE WEST BREYER M.D.
NPI 1669637575
Anesthesiology in San Francisco, CA

Q: What is Kristine Breyer's NPI number?

The NPI number for Kristine Breyer is 1669637575. It was assigned to this individual provider in the NPPES registry on July 21, 2008.

Q: What is Kristine Breyer's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Kristine Breyer was last updated on July 3, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since July 21, 2008PECOS EnrolledAccepts Medicare Assignment

513 PARNASSUS AVE, RM S455, SAN FRANCISCO, CA 94143(415) 476-1239 Get Directions Write a Review

NPPES record last updated: July 3, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Kristine West Breyer M.d. NPPES

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

DR. KRISTINE WEST BREYER M.D. (NPI 1669637575) is an individual anesthesiology provider in San Francisco, California, licensed in California (A104570) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2006).

NPPES Registry Identity

NPI1669637575

Entity TypeIndividualFemale

Primary Taxonomy207L00000X

Provider Legal NameDR. KRISTINE WEST BREYERCredential: M.D.

Location Address513 PARNASSUS AVE, RM S455San Francisco, CA 94143-0470

Mailing Address513 Parnassus Ave, Rm S455San Francisco, CA 94143-0470 · (415) 476-1239

Phone(415) 476-1239

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2006

Enumeration DateJuly 21, 2008

Last NPPES UpdateJuly 3, 2013

✔ NPI 1669637575 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in CA · A104570

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Also ListedAnesthesiology · Critical Care MedicineTaxonomy 207LC0200X · License A104570 (CA)

513 PARNASSUS AVE, San Francisco, CA 94143

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kristine West Breyer M.d. 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 ID7012159106

PECOS Enrollment IDI20130820000974

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

Medicare enrollment records show Kristine Breyer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Anesthesia Medical Group

Same address

Anesthesiology

505 PARNASSUS AVE
San Francisco, CA 94143

Reassigned Medicare billing, California enrollment
723 clinicians in this Medicare group

NPI 1528137296 (415) 476-1000

University Of California San Francisco

0.1 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

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

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

28 services14 patients

Insertion of artery tube for blood sampling or infusion through skin 36620

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

23 services23 patients

Anesthesia for extensive surgery on spine 00670

Anesthesia for extensive spine surgery involves medication to block pain and make you unconscious during the procedure. It ensures comfort and prevents movement. Two types may be used: general (you sleep) or regional (numbs a large area). The choice depends on the surgery specifics and your health.

18 services18 patients

Emergent insertion of breathing tube into windpipe using an endoscope 31500

This is a procedure where a thin tube is inserted into your windpipe to aid in breathing. It's done in emergency situations, using an endoscope, a tool with a light and camera, to ensure correct placement.

11 services11 patients

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. ELLIOTT SCOTT SEELEY M.D., PH.D.

Pathology (Molecular Genetic Pathology)

513 PARNASSUS AVE, HSW4, SUITE 450A
SAN FRANCISCO, CA 94143

San Francisco County (415) 514-0738

DR. LAURA WONG M.D./PH.D.

Plastic Surgery

513 PARNASSUS AVE, S-321
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1239

ALAN ZAMBELI-LJEPOVIC

Surgery

513 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-1239

UCSF MEDICAL CENTER

General Acute Care Hospital

513 PARNASSUS AVE, BOX 0427
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-3235

WILLIAM MCKLEROY M.D

Internal Medicine (Pulmonary Disease)

513 PARNASSUS AVE, HSE1314
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-0735

SYDNEY CAMILLE LABAT

Anesthesiology

513 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 353-1297

MS. MELICENT CLARE PECK M.D., PHD

Internal Medicine (Infectious Disease)

513 PARNASSUS AVE, S-380, BOX 0654
SAN FRANCISCO, CA 94143

San Francisco County (415) 476-9362

DR. SCOTT R. VANDENBERG MD

Pathology (Neuropathology)

513 PARNASSUS AVE
SAN FRANCISCO, CA 94143

San Francisco County (415) 502-7796

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 Kristine Breyer's NPI number?

The NPI number for Kristine Breyer is 1669637575. It was assigned to this individual provider in the NPPES registry on July 21, 2008.

Where is Kristine Breyer located?

Kristine Breyer practices at 513 Parnassus Ave Rm S455, San Francisco, CA 94143. The listed phone number is (415) 476-1239.

What is Kristine Breyer's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Kristine Breyer enrolled in Medicare?

Yes. Kristine Breyer 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.

Which organizations bill Medicare for Kristine Breyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristine Breyer reassigns Medicare benefits to 2 organizations: University Anesthesia Medical Group (San Francisco, CA) and University Of California San Francisco (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 Kristine Breyer'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 Kristine Breyer was last updated on July 3, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.