Doctor profile · Federal record

Dr. Cynthia Sites, MD

Reproductive Endocrinology Physician · Springfield, MA

  • NPI 1821017450
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3300 Main Street, 4Th Floor
Springfield, MA 011071112
(413) 794-7045
fax (413) 794-7345
Mailing address
280 Chestnut Street, 2Nd Floor
Springfield, MA 011991001

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 19, 2016
Specialty taxonomy
207VE0102X — NUCC code
State license (1)
Massachusetts #242038

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821017450. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
23
Distinct HCPCS
1
Medicare allowed
$2,789
HCPCS Description Services Patients Avg allowed
76830 Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 23 21 $121

In context: peer comparison

Among 1 peers in Springfield Reproductive Endocrinology Physician, average services per provider: 23. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$34
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
CooperSurgical, INC. 1 $34.45

By nature of payment

Food and Beverage
$34

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
61
Patients
0
Total drug cost
$34,508
Drug Type Claims Patients Total cost
Estradiol Generic 26 0 $388
Lupron Depot (Leuprolide Acetate) Brand 19 0 $33,941
Letrozole Generic 16 0 $180

Frequently asked questions

Auto-generated from federal data
What is Dr. Cynthia Sites's medical specialty?
Dr. Cynthia Sites practices Reproductive Endocrinology Physician in Springfield, MA.
Where does Dr. Cynthia Sites practice?
Dr. Cynthia Sites practices at 3300 Main Street, Springfield, MA 011071112. Office phone: 4137947045.
What is Dr. Cynthia Sites's NPI?
Dr. Cynthia Sites's National Provider Identifier (NPI) is 1821017450, issued by NPPES.
What procedures does Dr. Cynthia Sites commonly perform?
Top Medicare-reported procedures in 2023: Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (HCPCS 76830). Source: CMS Medicare Physician & Other Practitioners file.