CLAIRE BARBARA PETERSEN D.C.
NPI 1891139135
Chiropractor in Ithaca, NY

Active since April 17, 2013
821 CLIFF ST, ITHACA, NY 14850(607) 256-9355(607) 275-9355 Get Directions Write a Review

NPPES record last updated: February 23, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Claire Barbara Petersen D.c. NPPES

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

CLAIRE BARBARA PETERSEN D.C. (NPI 1891139135) is an individual chiropractor in Ithaca, New York, licensed in New York (012355) and active in the NPI registry since April 2013.

NPPES Registry Identity

NPI1891139135
Entity TypeIndividualFemale
Primary Taxonomy111N00000X
Provider Legal NameCLAIRE BARBARA PETERSENCredential: D.C.
Location Address821 CLIFF STIthaca, NY 14850-2097
Mailing Address5112 W Taft Rd, Ste B1Liverpool, NY 13088-4975 · (315) 452-9420 · Fax (315) 452-9132
Fax(607) 275-9355
Sole ProprietorNo
Enumeration DateApril 17, 2013
Last NPPES UpdateFebruary 23, 2018
✔ NPI 1891139135 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in NY · 012355
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.
821 CLIFF ST, Ithaca, NY 14850

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Claire Barbara Petersen D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Chiropractor
7593 MORGAN RD
Liverpool, NY 13090
  • Reassigned Medicare billing, New York enrollment

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

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.

Chiropractic manipulative treatment, 1-2 spinal regions 98940
Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's physical function. In this service, a chiropractor applies controlled force to 1-2 spinal regions. This helps to restore mobility and alleviate discomfort in those areas.
31 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.

Nurse Practitioner (Family)
821 CLIFF ST
ITHACA, NY 14850
Dermatology
821 CLIFF ST, SUITE 2
ITHACA, NY 14850
Massage Therapist
821 CLIFF ST
ITHACA, NY 14850
Internal Medicine
821 CLIFF ST
ITHACA, NY 14850
Physician Assistant
821 CLIFF ST
ITHACA, NY 14850
Massage Therapist
821 CLIFF ST
ITHACA, NY 14850
Chiropractor
821 CLIFF ST
ITHACA, NY 14850
Massage Therapist
821 CLIFF ST
ITHACA, NY 14850

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 Claire Petersen's NPI number?

The NPI number for Claire Petersen is 1891139135. It was assigned to this individual provider in the NPPES registry on April 17, 2013.

Where is Claire Petersen located?

Claire Petersen practices at 821 Cliff St, Ithaca, NY 14850. The listed phone number is (607) 256-9355.

What is Claire Petersen's specialty?

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

Is Claire Petersen enrolled in Medicare?

Yes. Claire Petersen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Claire Petersen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Claire Petersen reassigns Medicare benefits to Thrive Chiropractic Of Cny, PLLC (Liverpool, NY). 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 Claire Petersen'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 Claire Petersen was last updated on February 23, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.