Doctor profile · Federal record

Dr. Jennifer Williams, PA-C

Surgical Physician Assistant (CMS: Physician Assistant) · Derby, CT

  • NPI 1659557643
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
130 Division St
Derby, CT 064181326
(203) 732-1330
fax (203) 732-1332
Mailing address
67 Maple Ave
Derby, CT 064181328

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
November 19, 2020
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
363AS0400X — NUCC code
State license (1)
Connecticut #002056

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659557643. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
162
Distinct HCPCS
3
Medicare allowed
$14,669
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 97 75 $82
99203 New patient office or other outpatient visit, 30-44 minutes 52 52 $100
99214 Established patient office or other outpatient visit, 30-39 minutes 13 12 $116

In context: peer comparison

Among 4 peers in Derby Surgical Physician Assistant, average services per provider: 46. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$139
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Endologix LLC 2 $91.51
Cordis US Corp. 1 $25.19
LeMaitre Vascular, INC. 1 $21.87

By nature of payment

Food and Beverage
$139

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
21
Patients
0
Total drug cost
$17,662
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 21 0 $17,662

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Williams's medical specialty?
Dr. Jennifer Williams practices Surgical Physician Assistant in Derby, CT.
Where does Dr. Jennifer Williams practice?
Dr. Jennifer Williams practices at 130 Division St, Derby, CT 064181326. Office phone: 2037321330.
What is Dr. Jennifer Williams's NPI?
Dr. Jennifer Williams's National Provider Identifier (NPI) is 1659557643, issued by NPPES.
Does Dr. Jennifer Williams accept Medicare assignment?
Yes. Dr. Jennifer Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.