1. Home
  2. Directory
  3. Massachusetts
  4. Leicester
  5. Chiropractor
  6. NPI Profile

DR. PETER JOSEPH ANTANAVICA D.C.
NPI 1427102219
Chiropractor in Leicester, MA

Active since January 22, 2007
1103 MAIN ST, LEICESTER, MA 01524(508) 892-8150 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Peter Joseph Antanavica D.c. NPPES

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

DR. PETER JOSEPH ANTANAVICA D.C. (NPI 1427102219) is an individual chiropractor in Leicester, Massachusetts, licensed in Massachusetts (2597) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1427102219
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. PETER JOSEPH ANTANAVICACredential: D.C.
Location Address1103 MAIN STLeicester, MA 01524-1393
Mailing Address1103 Main StLeicester, MA 01524-1393
Phone(508) 892-8150
Sole ProprietorYes
Enumeration DateJanuary 22, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1427102219 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in MA · 2597
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
1103 MAIN ST, Leicester, MA 01524
Open in Google Maps ↗

Other Identifiers 2

OtherY36790MA · Chiropractic
Medicare ID-Type UnspecifiedY45442 35MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Peter Joseph Antanavica D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Peter Antanavica reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Chiropractic Business Associates Inc.
Same address
Chiropractor
1103 MAIN ST
Leicester, MA 01524
  • Reassigned Medicare billing, Massachusetts enrollment
NPI 1932980315 (508) 892-8150

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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHIROPRACTIC BUSINESS ASSOCIATES INC.
Chiropractor
1103 MAIN ST
LEICESTER, MA 01524
Worcester County (508) 892-8150

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 Antanavica's NPI number?

The NPI number for Peter Antanavica is 1427102219. It was assigned to this individual provider in the NPPES registry on January 22, 2007.

Where is Peter Antanavica located?

Peter Antanavica practices at 1103 Main St, Leicester, MA 01524. The listed phone number is (508) 892-8150.

What is Peter Antanavica's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Peter Antanavica enrolled in Medicare?

Yes. Peter Antanavica is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Peter Antanavica's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Antanavica reassigns Medicare benefits to Chiropractic Business Associates Inc. (Leicester, 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 Peter Antanavica's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Peter Antanavica accept?

Health plans from Providence Health Plan list Peter Antanavica 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.

When was this NPI record last updated?

The NPPES record for Peter Antanavica was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.