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DR. SARA RUTH MORRISSEY POSNER D.C.
NPI 1821318478
Chiropractor in Boston, MA

Active since June 06, 2010Accepts Medicare Assignment
376 BOYLSTON ST STE 301, BOSTON, MA 02116(857) 250-2939(857) 250-2938 Get Directions Write a Review

NPPES record last updated: November 4, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 4, 2024, Dec 6, 2018, Aug 9, 2018 (3 updates tracked since 2018).

About Dr. Sara Ruth Morrissey Posner D.c. NPPES

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

DR. SARA RUTH MORRISSEY POSNER D.C. (NPI 1821318478) is an individual chiropractor in Boston, Massachusetts, licensed in Massachusetts (3329) and active in the NPI registry since June 2010. She maintains a secondary practice location in Cambridge and is a graduate of New York Chiropractic College (2011).

NPPES Registry Identity

NPI1821318478
Entity TypeIndividualFemale
Primary Taxonomy111N00000X
Provider Legal NameDR. SARA RUTH MORRISSEY POSNERCredential: D.C.
Location Address376 BOYLSTON ST STE 301Boston, MA 02116
Mailing Address376 Boylston St Ste 301Boston, MA 02116-3827 · (857) 250-2939
Phone(857) 250-2939
Fax(857) 250-2938
Sole ProprietorNo
Medical School CMSNew York Chiropractic CollegeGraduated 2011
Enumeration DateJune 6, 2010
Last NPPES UpdateNovember 4, 20243 updates tracked since enumeration
NPPES CertifiedNovember 4, 2024
✔ NPI 1821318478 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in MA · 3329
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.
376 BOYLSTON ST STE 301, Boston, MA 02116
Open in Google Maps ↗

Other Names 1

Former Name (1)Dr. Sara Ruth Morrissey Dc

Secondary Practice Location 1

Location 11718 Massachusetts AveCambridge, MA 02138-1804 · Phone (617) 492-5438

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, 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 and accepts Medicare assignment

Dr. Sara Ruth Morrissey Posner D.c. 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 ID9638357718
PECOS Enrollment IDI20110620000174

Medicare Billing Reassignment

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

Khalsa Chiropractic Back Bay, Inc
Same address
Chiropractor
376 BOYLSTON ST, 301
Boston, MA 02116
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4 clinicians in this Medicare group
NPI 1003354978 (857) 250-2939

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 6

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

EMILY JOHNSTON
Acupuncturist
376 BOYLSTON ST STE 301
BOSTON, MA 02116
Suffolk County (617) 602-3868
JOHNSTON FAMILY ACUPUNCTURE LLC
Acupuncturist
376 BOYLSTON ST STE 301
BOSTON, MA 02116
Suffolk County (617) 602-3868
JADE NICOLE CARBUCCIA DC
Chiropractor
376 BOYLSTON ST STE 301
BOSTON, MA 02116
Suffolk County (857) 250-2939
DR. DENNIS JARED MATOS DC
Chiropractor
376 BOYLSTON ST STE 301
BOSTON, MA 02116
Suffolk County (857) 250-2939
FUNCTIONAL WELLNESS & YOGA
Occupational Therapist
376 BOYLSTON ST STE 301
BOSTON, MA 02116
Suffolk County (857) 529-7089
BRITTANY KATHERINE ZUBACK DC
Chiropractor
376 BOYLSTON ST STE 301
BOSTON, MA 02116
Suffolk County (857) 250-2939

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 Sara Posner's NPI number?

The NPI number for Sara Posner is 1821318478. It was assigned to this individual provider in the NPPES registry on June 6, 2010. The provider is also known as Dr. Sara Ruth Morrissey Dc.

Where is Sara Posner located?

Sara Posner practices at 376 Boylston St Ste 301, Boston, MA 02116. The listed phone number is (857) 250-2939.

What is Sara Posner's specialty?

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

Is Sara Posner enrolled in Medicare?

Yes. Sara Posner 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 Sara Posner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sara Posner reassigns Medicare benefits to Khalsa Chiropractic Back Bay, Inc (Boston, 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 Sara Posner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sara Posner accept?

Health plans from Anthem Blue Cross and Blue Shield and Providence Health Plan list Sara Posner 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 Sara Posner was last updated on November 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.