KATHERINE A GERGEN BARNETT MD
NPI 1023209129
Family Medicine in Boston, MA

Active since August 05, 2007PECOS EnrolledAccepts Medicare Assignment
11 MELNEA CASS BLVD, BOSTON, MA 02119(617) 414-2080 Get Directions Write a Review

NPPES record last updated: September 18, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 18, 2025, Jun 9, 2023, Feb 5, 2020 (3 updates tracked since 2020).

About Katherine A Gergen Barnett Md NPPES

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

KATHERINE A GERGEN BARNETT MD (NPI 1023209129) is an individual family medicine provider in Boston, Massachusetts, licensed in Massachusetts (233674) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1023209129
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameKATHERINE A GERGEN BARNETTCredential: MD
Location Address11 MELNEA CASS BLVDBoston, MA 02119-4401
Mailing Address960 Massachusetts Ave Ste 2Boston, MA 02118-2690
Sole ProprietorNo
Medical School CMSYale University School Of MedicineGraduated 2005
Enumeration DateAugust 5, 2007
Last NPPES UpdateSeptember 18, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2025
NPI 1023209129 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in MA · 233674
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
11 MELNEA CASS BLVD, Boston, MA 02119

Secondary Practice Locations 2

Location 111 Nevins St Ste 505Brighton, MA 02135-3514 · Phone (617) 414-2500
Location 2409 W BroadwaySouth Boston, MA 02127-2245 · Phone (617) 269-7500

Other Identifiers 1

Medicaid110080981AMA

Accepted 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

Katherine A Gergen Barnett Md 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 ID7618036047
PECOS Enrollment IDI20081030000230
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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
30 services22 patients
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.
22 services19 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Boston Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220031
Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02119 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers11 claims42 services$6.61 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Family Medicine
11 MELNEA CASS BLVD
BOSTON, MA 02119
Nurse Practitioner (Family)
11 MELNEA CASS BLVD
BOSTON, MA 02119
Family Medicine
11 MELNEA CASS BLVD
BOSTON, MA 02119
Social Worker (Clinical)
11 MELNEA CASS BLVD
BOSTON, MA 02119
Nurse Practitioner (Family)
11 MELNEA CASS BLVD
BOSTON, MA 02119
Nurse Practitioner (Family)
11 MELNEA CASS BLVD
BOSTON, MA 02119
Pharmacist (Ambulatory Care)
11 MELNEA CASS BLVD
BOSTON, MA 02119
Family Medicine
11 MELNEA CASS BLVD
BOSTON, MA 02119

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 Katherine Gergen Barnett's NPI number?

The NPI number for Katherine Gergen Barnett is 1023209129. It was assigned to this individual provider in the NPPES registry on August 5, 2007.

Where is Katherine Gergen Barnett located?

Katherine Gergen Barnett practices at 11 Melnea Cass Blvd, Boston, MA 02119. The listed phone number is (617) 414-2080.

What is Katherine Gergen Barnett's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Katherine Gergen Barnett enrolled in Medicare?

Yes. Katherine Gergen Barnett 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 Katherine Gergen Barnett accept?

Health plans from Anthem Blue Cross and Blue Shield list Katherine Gergen Barnett 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 Katherine Gergen Barnett affiliated with any hospitals?

According to CMS data, Katherine Gergen Barnett is affiliated with Boston Medical Center.

When was this NPI record last updated?

The NPPES record for Katherine Gergen Barnett was last updated on September 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.