Doctor profile · Federal record
Dr. Katherine Callaghan, M.D.
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Worcester, MA
- NPI 1922329663
- Accepts Medicare
- MIPS 89.0 / 100 · 2023
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
328 Shrewsbury St
Worcester, MA 016045465
(508) 755-4861
fax (508) 752-1392 - Additional location
-
26 Julio Dr
Shrewsbury, MA 015453020
(508) 845-2323
fax (508) 845-2777
Credentials & registration
- NPI registered
- June 2010 — 16 yrs on file
- Profile last updated
- November 26, 2024
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Massachusetts #259143
- Medicaid
- MA #110099641A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922329663. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
13
Distinct HCPCS
1
Medicare allowed
$378
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 13 | 13 | $29 |
In context: peer comparison
Among 13 peers in Worcester Obstetrics & Gynecology Physician, average services per provider: 26. This provider delivers 0.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
22
Patients
11
Total drug cost
$1,138
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 22 | 11 | $1,138 |
Frequently asked questions
What is Dr. Katherine Callaghan's medical specialty?
Dr. Katherine Callaghan practices Obstetrics & Gynecology Physician in Worcester, MA.
Where does Dr. Katherine Callaghan practice?
Dr. Katherine Callaghan practices at 328 Shrewsbury St, Worcester, MA 016045465. Office phone: 5087554861.
What is Dr. Katherine Callaghan's NPI?
Dr. Katherine Callaghan's National Provider Identifier (NPI) is 1922329663, issued by NPPES.
Does Dr. Katherine Callaghan accept Medicare assignment?
Yes. Dr. Katherine Callaghan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Callaghan commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101). Source: CMS Medicare Physician & Other Practitioners file.