Doctor profile · Federal record

Dr. Susan Zweizig, M.D.

Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Worcester, MA

  • NPI 1992786925
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 41 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
33 Kendall St
Worcester, MA 016052726
(508) 334-1160
fax (508) 334-1174
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
September 2, 2021
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State license (1)
Massachusetts #79624
Medicaid
MA #110055114A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992786925. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
299
Distinct HCPCS
5
Medicare allowed
$36,753
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 120 44 $144
99214 Established patient office or other outpatient visit, 30-39 minutes 83 71 $99
99205 New patient office or other outpatient visit, 60-74 minutes 43 43 $181
99213 Established patient office or other outpatient visit, 20-29 minutes 41 37 $67
58100 Biopsy of lining of uterus 12 11 $61

In context: peer comparison

Among 1 peers in Worcester Gynecologic Oncology Physician, average services per provider: 59. This provider delivers 5.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
203
Patients
97
Total drug cost
$26,990
Drug Type Claims Patients Total cost
Prochlorperazine Maleate Generic 45 36 $825
Dexamethasone Generic 38 18 $410
Ondansetron Hcl Generic 35 30 $393
Megestrol Acetate Generic 22 0 $1,311
Fluconazole Generic 18 13 $136
Tamoxifen Citrate Generic 17 0 $562
Eliquis (Apixaban) Brand 15 0 $9,550
Xarelto (Rivaroxaban) Brand 13 0 $13,804

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Susan Zweizig's medical specialty?
Dr. Susan Zweizig practices Gynecologic Oncology Physician in Worcester, MA.
Where does Dr. Susan Zweizig practice?
Dr. Susan Zweizig practices at 33 Kendall St, Worcester, MA 016052726. Office phone: 5083341160.
What is Dr. Susan Zweizig's NPI?
Dr. Susan Zweizig's National Provider Identifier (NPI) is 1992786925, issued by NPPES.
Does Dr. Susan Zweizig accept Medicare assignment?
Yes. Dr. Susan Zweizig accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Susan Zweizig commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.