MAKSIM ZAYARUZNY MD
NPI 1265578447
Anesthesiology in Worcester, MA
About Maksim Zayaruzny Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAKSIM ZAYARUZNY MD (NPI 1265578447) is an individual anesthesiology provider in Worcester, Massachusetts, licensed in Massachusetts (215917) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and is a graduate of Johns Hopkins University School Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
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
Maksim Zayaruzny 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.
Medicare Billing Reassignment
Medicare enrollment records show Maksim Zayaruzny reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Umass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MAMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
WORCESTER, MA 01605
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 Maksim Zayaruzny's NPI number?
The NPI number for Maksim Zayaruzny is 1265578447. It was assigned to this individual provider in the NPPES registry on January 29, 2007.
Where is Maksim Zayaruzny located?
Maksim Zayaruzny practices at 119 Belmont St, Worcester, MA 01605. The listed phone number is (508) 334-8297.
What is Maksim Zayaruzny's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Maksim Zayaruzny enrolled in Medicare?
Yes. Maksim Zayaruzny 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 organization bills Medicare for Maksim Zayaruzny's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maksim Zayaruzny reassigns Medicare benefits to Umass Memorial Medical Group Inc (Worcester, MA). The 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 Maksim Zayaruzny's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maksim Zayaruzny accept?
Health plans from Taro Health list Maksim Zayaruzny 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.
Is Maksim Zayaruzny affiliated with any hospitals?
According to CMS data, Maksim Zayaruzny is affiliated with Umass Memorial Medical Center/University Campus.
When was this NPI record last updated?
The NPPES record for Maksim Zayaruzny was last updated on December 2, 2020. 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.
# Maksim Zayaruzny, MD · NPI 1265578447
Anesthesiology physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since January 29, 2007.
## Identity
- **NPI:** 1265578447 (Entity type: Individual)
- **Enumerated:** January 29, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 215917 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 119 BELMONT ST, Worcester, MA 01605-2903
- **Phone:** (508) 334-8297 · **Fax:** (508) 334-8204
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Umass Memorial Medical Group Inc (NPI 1760445373, Worcester, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** December 2, 2020
- **Other identifiers:** Medicaid 110085634A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1265578447) · Data from the CMS NPPES public registry.