PETER A. ZAGAYNOV MD
NPI 1952489635
Anesthesiology in Sacramento, CA

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
2025 MORSE AVE, SACRAMENTO, CA 95825(916) 973-5000 Get Directions Write a Review

NPPES record last updated: December 22, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Peter A. Zagaynov Md NPPES

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

PETER A. ZAGAYNOV MD (NPI 1952489635) is an individual anesthesiology provider in Sacramento, California, licensed in California (A76619) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1989).

NPPES Registry Identity

NPI1952489635
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NamePETER A. ZAGAYNOVCredential: MD
Location Address2025 MORSE AVESacramento, CA 95825-2115
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262
Sole ProprietorNo
Medical School CMSOtherGraduated 1989
Enumeration DateNovember 1, 2006
Last NPPES UpdateDecember 22, 2021
✔ NPI 1952489635 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A76619
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.
2025 MORSE AVE, Sacramento, CA 95825

Other Identifiers 1

Medicaid00A766190CA

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

Peter A. Zagaynov Md 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 ID4981885431
PECOS Enrollment IDI20110216001219
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

2

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

Dermatopathology
3301 C ST STE 1413
Sacramento, CA 95816
  • Reassigned Medicare billing, California enrollment
  • 2,570 clinicians in this Medicare group
Internal Medicine
7373 WEST LANE
Stockton, CA 95210
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group

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

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)
2025 MORSE AVE
SACRAMENTO, CA 95825
Obstetrics & Gynecology (Gynecologic Oncology)
2025 MORSE AVE
SACRAMENTO, CA 95825
Otolaryngology
2025 MORSE AVE
SACRAMENTO, CA 95825
Nurse Anesthetist, Certified Registered
2025 MORSE AVE
SACRAMENTO, CA 95825
Pediatrics
2025 MORSE AVE
SACRAMENTO, CA 95825
Podiatrist
2025 MORSE AVE
SACRAMENTO, CA 95825
Radiology (Vascular & Interventional Radiology)
2025 MORSE AVE
SACRAMENTO, CA 95825
Anesthesiology
2025 MORSE AVE
SACRAMENTO, CA 95825

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 Peter Zagaynov's NPI number?

The NPI number for Peter Zagaynov is 1952489635. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Peter Zagaynov located?

Peter Zagaynov practices at 2025 Morse Ave, Sacramento, CA 95825. The listed phone number is (916) 973-5000.

What is Peter Zagaynov's specialty?

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

Is Peter Zagaynov enrolled in Medicare?

Yes. Peter Zagaynov 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 Peter Zagaynov's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Zagaynov reassigns Medicare benefits to 2 organizations: Regents Of The Univ Of Ca (Sacramento, CA) and Permanente Medical Group Inc (Stockton, 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 Peter Zagaynov'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 Peter Zagaynov was last updated on December 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.