MS. CAITLYN CHU
NPI 1891484259
Physician Assistant in Boston, MA

Active since May 02, 2023PECOS EnrolledAccepts Medicare Assignment
45 FRANCIS ST, BOSTON, MA 02115(857) 307-2057 Get Directions Write a Review

NPPES record last updated: February 20, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 20, 2025, May 2, 2023 (2 updates tracked since 2023).

About Ms. Caitlyn Chu NPPES

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

MS. CAITLYN CHU (NPI 1891484259) is an individual physician assistant in Boston, Massachusetts and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1891484259
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. CAITLYN CHU
Location Address45 FRANCIS STBoston, MA 02115-6105
Mailing Address45 Francis StBoston, MA 02115-6105
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMay 2, 2023
Last NPPES UpdateFebruary 20, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 20, 2025
NPI 1891484259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
45 FRANCIS ST, Boston, MA 02115

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

Ms. Caitlyn Chu 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 ID3072043058
PECOS Enrollment IDI20250205003104
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 5

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

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Faulkner Hospital-Brigham And Women's

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220119
Location1153 Centre StreetBoston, MA 02130 · Suffolk County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Speech-Language Pathologist
45 FRANCIS ST, ASB II OUTPATIENT REHABILITATION
BOSTON, MA 02115
Nurse Practitioner (Acute Care)
45 FRANCIS ST
BOSTON, MA 02115
Student in an Organized Health Care Education/Training Program
45 FRANCIS ST
BOSTON, MA 02115
Anesthesiology
45 FRANCIS ST
BOSTON, MA 02115
Internal Medicine (Nephrology)
45 FRANCIS ST
BOSTON, MA 02115
Internal Medicine (Rheumatology)
45 FRANCIS ST
BOSTON, MA 02115
Internal Medicine (Cardiovascular Disease)
45 FRANCIS ST
BOSTON, MA 02115
Internal Medicine (Gastroenterology)
45 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL
BOSTON, MA 02115

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 Caitlyn Chu's NPI number?

The NPI number for Caitlyn Chu is 1891484259. It was assigned to this individual provider in the NPPES registry on May 2, 2023.

Where is Caitlyn Chu located?

Caitlyn Chu practices at 45 Francis St, Boston, MA 02115. The listed phone number is (857) 307-2057.

What is Caitlyn Chu's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Caitlyn Chu enrolled in Medicare?

Yes. Caitlyn Chu 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.

Is Caitlyn Chu affiliated with any hospitals?

According to CMS data, Caitlyn Chu is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital and Faulkner Hospital-Brigham And Women's.

When was this NPI record last updated?

The NPPES record for Caitlyn Chu was last updated on February 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.