Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Katherine M Callaghan, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1922329663

Katherine M Callaghan, MD practises Obstetrics/Gynecology in Worcester, Massachusetts. Graduated from University of Massachusetts Medical School in 2010, 16 years ago. Practices with Physicians for Women's Health, LLC, a 317-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
16
Trained at
University of Massachusetts Medical School
Licensed in
MA
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

328 Shrewsbury St
Worcester, MA 01604-5465
Phone: (508) 755-4861
Fax: (508) 752-1392
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 259143 (MA)

Record details

NPI number1922329663
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 17, 2010
Last updated in NPPESJuly 7, 2026
Certification dateJuly 7, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 2010 (16 years in practice)
Group practice Physicians For Women'S Health, Llc — 317 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients33
Services billed 60 a service is one billed item, such as a visit, a test or a procedure
Average patient age66

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Physicians for Women's Health, LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 317 clinicians in the practice; 12 are shown here.

Other providers in Worcester