MS. CAITLIN M. MERRILL NP
NPI 1053568444
Nurse Practitioner - Family in Boston, MA

Active since August 27, 2008PECOS Enrolled
55 FRUIT ST, MASSACHUSETTS GENERAL HOSPITAL, BOSTON, MA 02114(617) 643-0603(617) 724-3948 Get Directions Write a Review

NPPES record last updated: August 24, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Caitlin M. Merrill Np NPPES

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

MS. CAITLIN M. MERRILL NP (NPI 1053568444) is an individual family provider in Boston, Massachusetts, licensed in Massachusetts (279532) and active in the NPI registry since August 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1053568444
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. CAITLIN M. MERRILLCredential: NP
Location Address55 FRUIT ST, MASSACHUSETTS GENERAL HOSPITALBoston, MA 02114-2621
Mailing Address55 Fruit St, Yawkey 6d, Massachusetts General HospitalBoston, MA 02114 · (617) 643-0603 · Fax (617) 724-3948
Fax(617) 724-3948
Sole ProprietorNo
Enumeration DateAugust 27, 2008
Last NPPES UpdateAugust 24, 2009
NPI 1053568444 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in MA · 279532
55 FRUIT ST, Boston, MA 02114

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Ms. Caitlin M. Merrill Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
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.

Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114

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 Caitlin Merrill's NPI number?

The NPI number for Caitlin Merrill is 1053568444. It was assigned to this individual provider in the NPPES registry on August 27, 2008.

Where is Caitlin Merrill located?

Caitlin Merrill practices at 55 Fruit St Massachusetts General Hospital, Boston, MA 02114. The listed phone number is (617) 643-0603.

What is Caitlin Merrill's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Caitlin Merrill enrolled in Medicare?

Yes. Caitlin Merrill is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Caitlin Merrill was last updated on August 24, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.