THERESA COMERFORD FNP
NPI 1609594845
Nurse Practitioner - Family in Boston, MA

Active since August 15, 2022PECOS EnrolledAccepts Medicare Assignment
55 FRUIT ST STE 800, BOSTON, MA 02114(617) 726-2000 Get Directions Write a Review

NPPES record last updated: July 23, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 21, 2022, Sep 6, 2022, Aug 15, 2022 (3 updates tracked since 2022).

About Theresa Comerford Fnp NPPES

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

THERESA COMERFORD FNP (NPI 1609594845) is an individual family provider in Boston, Massachusetts, licensed in Massachusetts (RN2317116) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and maintains a secondary practice location in South Weymouth.

NPPES Registry Identity

NPI1609594845
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameTHERESA COMERFORDCredential: FNP
Location Address55 FRUIT ST STE 800Boston, MA 02114-2621
Mailing Address55 Fruit StBoston, MA 02114-2696 · (866) 925-4767
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateAugust 15, 2022
Last NPPES UpdateJuly 23, 20253 updates tracked since enumeration
NPPES CertifiedJuly 23, 2025
NPI 1609594845 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in MA · RN2317116
Also ListedRegistered NurseTaxonomy 163W00000X · License RN2317116 (MA)
55 FRUIT ST STE 800, Boston, MA 02114

Other Names 1

Former Name (1)Theresa Fullerton

Secondary Practice Location 1

Location 155 Fogg RdSouth Weymouth, MA 02190-2455 · Phone (781) 624-8000

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

Theresa Comerford Fnp 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 ID8729456777
PECOS Enrollment IDI20221122001862
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.

Areas of Expertise CMS Part B claims 3

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.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
297 services152 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
199 services115 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
15 services14 patients

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

Wentworth-Douglass Hospital

Acute Care Hospitals · Dover, NH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number300018
Location789 Central AveDover, NH 03820 · Strafford County
Emergency services Birthing friendly

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.

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 Theresa Comerford's NPI number?

The NPI number for Theresa Comerford is 1609594845. It was assigned to this individual provider in the NPPES registry on August 15, 2022. The provider is also known as Theresa Fullerton.

Where is Theresa Comerford located?

Theresa Comerford practices at 55 Fruit St Ste 800, Boston, MA 02114. The listed phone number is (617) 726-2000.

What is Theresa Comerford's specialty?

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

Is Theresa Comerford enrolled in Medicare?

Yes. Theresa Comerford 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 Theresa Comerford affiliated with any hospitals?

According to CMS data, Theresa Comerford is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Newton-Wellesley Hospital, Brigham And Women's Hospital and Wentworth-Douglass Hospital.

When was this NPI record last updated?

The NPPES record for Theresa Comerford was last updated on July 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.