KATHARINE C BARNES M.D.
NPI 1891007803
Obstetrics & Gynecology in Boston, MA

Active since July 07, 2010PECOS EnrolledAccepts Medicare Assignment
330 BROOKLINE AVE, BOSTON, MA 02215(617) 667-3736 Get Directions Write a Review

NPPES record last updated: April 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Katharine C Barnes M.d. NPPES

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

KATHARINE C BARNES M.D. (NPI 1891007803) is an individual obstetrics & gynecology provider in Boston, Massachusetts, licensed in Massachusetts (244307) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS, is affiliated with Martha's Vineyard Hospital Inc, and is a graduate of University Of Massachusetts Medical School (2010).

NPPES Registry Identity

NPI1891007803
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameKATHARINE C BARNESCredential: M.D.
Location Address330 BROOKLINE AVEBoston, MA 02215-5400
Mailing Address45 Skehan St # 3Somerville, MA 02143-3737 · (267) 496-7155
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2010
Enumeration DateJuly 7, 2010
Last NPPES UpdateApril 10, 2025
NPPES CertifiedApril 10, 2025
NPI 1891007803 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in MA · 244307
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
330 BROOKLINE AVE, Boston, MA 02215

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

Katharine C Barnes M.d. 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 ID6507180858
PECOS Enrollment IDI20150115001475
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.

Martha's Vineyard Hospital Inc

Critical Access Hospitals · Oak Bluffs, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number221300
LocationOne Hospital Road, First Fl, Wing 5, PO Box 1477Oak Bluffs, MA 02557 · Dukes County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
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.

Chronic Disease Hospital (Children)
330 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine
330 BROOKLINE AVE, PULMONARY AND CRITICAL CARE DEPARTMENT
BOSTON, MA 02215
Dermatology
330 BROOKLINE AVE, SHAPIRO 2
BOSTON, MA 02215
Anesthesiology
330 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine (Hematology)
330 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine
330 BROOKLINE AVE
BOSTON, MA 02215
Psychologist (Clinical)
330 BROOKLINE AVE
BOSTON, MA 02215
Hospitalist
330 BROOKLINE AVE
BOSTON, MA 02215

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 Katharine Barnes's NPI number?

The NPI number for Katharine Barnes is 1891007803. It was assigned to this individual provider in the NPPES registry on July 7, 2010.

Where is Katharine Barnes located?

Katharine Barnes practices at 330 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 667-3736.

What is Katharine Barnes's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Katharine Barnes enrolled in Medicare?

Yes. Katharine Barnes 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 Katharine Barnes accept?

Health plans from Anthem Blue Cross and Blue Shield list Katharine Barnes 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 Katharine Barnes affiliated with any hospitals?

According to CMS data, Katharine Barnes is affiliated with Martha's Vineyard Hospital Inc.

When was this NPI record last updated?

The NPPES record for Katharine Barnes was last updated on April 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.