Doctor profile · Federal record

Dr. Katherine Riddle

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Student in an Organized Health Care Education/Training Program · South Windsor, CT

  • NPI 1669866588
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2600 Tamarack Ave Ste 200
South Windsor, CT 060745560
(860) 646-1157
Additional location
5301 McAuley Dr
Ypsilanti, MI 481971051
(734) 712-3456

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
January 22, 2020
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Connecticut #63724

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669866588. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14
Distinct HCPCS
1
Medicare allowed
$583
HCPCS Description Services Patients Avg allowed
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination 14 14 $42

In context: peer comparison

Among 4 peers in this city , average services per provider: 20. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$142
Transactions
7
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
CooperSurgical, Inc. 3 $53.14
Exeltis, USA Inc. 2 $44.89
Astellas Pharma US Inc 1 $28.06
Sage Therapeutics, Inc. 1 $16.26

By nature of payment

Food and Beverage
$142

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
17
Patients
12
Total drug cost
$2,165
Drug Type Claims Patients Total cost
Estradiol Generic 17 12 $2,165

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Riddle's medical specialty?
Dr. Katherine Riddle practices Obstetrics & Gynecology Physician in South Windsor, CT.
Where does Dr. Katherine Riddle practice?
Dr. Katherine Riddle practices at 2600 Tamarack Ave Ste 200, South Windsor, CT 060745560. Office phone: 8606461157.
What is Dr. Katherine Riddle's NPI?
Dr. Katherine Riddle's National Provider Identifier (NPI) is 1669866588, issued by NPPES.
Does Dr. Katherine Riddle accept Medicare assignment?
Yes. Dr. Katherine Riddle accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Riddle 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.