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CAROLINE MILLIGAN COLLIER PA-C
NPI 1649928177
Physician Assistant - Surgical in Brighton, MA

Active since March 14, 2022PECOS EnrolledAccepts Medicare Assignment
736 CAMBRIDGE ST, BRIGHTON, MA 02135(617) 789-2045 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Caroline Milligan Collier Pa-c NPPES

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

CAROLINE MILLIGAN COLLIER PA-C (NPI 1649928177) is an individual surgical provider in Brighton, Massachusetts, licensed in Texas (PA15123) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with St Elizabeth's Medical Center, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1649928177
Entity TypeIndividualFemale
Primary Taxonomy363AS0400X
Provider Legal NameCAROLINE MILLIGAN COLLIERCredential: PA-C
Location Address736 CAMBRIDGE STBrighton, MA 02135-2907
Mailing Address960 Massachusetts Ave, Fl 2Boston, MA 02118 · (617) 414-5405
Phone(617) 789-2045
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 14, 2022
Last NPPES UpdateNovember 4, 2025
NPPES CertifiedNovember 4, 2025
✔ NPI 1649928177 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AS0400X
License✔ Licensed in TX · PA15123
736 CAMBRIDGE ST, Brighton, MA 02135
Open in Google Maps ↗

Other Names 1

Former Name (1)Caroline O'neill Milligan Pa-c

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Caroline Milligan Collier Pa-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 ID8820485048
PECOS Enrollment IDI20251231000254
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Elizabeth's Medical Center

Acute Care Hospitals · Brighton, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220036
Location736 Cambridge StreetBrighton, MA 02135 · Suffolk County
Emergency services Birthing friendly

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.

SOOWHAN LAH M.D.
Internal Medicine
736 CAMBRIDGE ST, INTERNAL MEDICINE RESIDENCY PROGRAM - MAILBOX #13
BOSTON, MA 02135
Suffolk County (503) 886-9722
DR. MAHENDRA CARPEN MD
Internal Medicine (Cardiovascular Disease)
736 CAMBRIDGE ST, DEPT. OF CARDIOLOGY
BRIGHTON, MA 02135
Suffolk County (617) 789-5151
MONIKA BATRA
Psychiatry & Neurology (Psychiatry)
736 CAMBRIDGE ST
BRIGHTON, MA 02135
Suffolk County (617) 789-3000
RONYA OZTURK
Student in an Organized Health Care Education/Training Program
736 CAMBRIDGE ST
BOSTON, MA 02135
Suffolk County (617) 789-3000
ALEXANDER H HU MD
Student in an Organized Health Care Education/Training Program
736 CAMBRIDGE ST
BRIGHTON, MA 02135
Suffolk County (617) 789-3000
DR. ANAS AHMED SAMBAWAH M.D
Student in an Organized Health Care Education/Training Program
736 CAMBRIDGE ST
BRIGHTON, MA 02135
Suffolk County (617) 789-2990
ORFEAS LIANGOS M.D.
Internal Medicine (Nephrology)
736 CAMBRIDGE ST, ST ELIZABETHS MED CTR
BOSTON, MA 02135
Suffolk County (617) 789-3100
LORI H ADCOCK M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
736 CAMBRIDGE ST
BRIGHTON, MA 02135
Suffolk County (617) 789-2740

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 Caroline Collier's NPI number?

The NPI number for Caroline Collier is 1649928177. It was assigned to this individual provider in the NPPES registry on March 14, 2022. The provider is also known as Caroline O'neill Milligan Pa-C.

Where is Caroline Collier located?

Caroline Collier practices at 736 Cambridge St, Brighton, MA 02135. The listed phone number is (617) 789-2045.

What is Caroline Collier's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Caroline Collier enrolled in Medicare?

Yes. Caroline Collier 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.

What insurance does Caroline Collier accept?

Health plans from Moda Health Plan, Inc. list Caroline Collier 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 Caroline Collier affiliated with any hospitals?

According to CMS data, Caroline Collier is affiliated with St Elizabeth's Medical Center.

When was this NPI record last updated?

The NPPES record for Caroline Collier was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.