Cynthia K. Sites, MD
Reproductive Endocrinology Physician · Springfield, MA
Cynthia K. Sites, MD is a reproductive endocrinology physician with a practice address in Springfield, Massachusetts, and NPI 1821017450, issued on Jul 18, 2006. Check the license (Massachusetts 242038, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Cynthia K. Sites
- Credential
- MD
- Primary taxonomy
- Reproductive Endocrinology Physician 207VE0102X
- License number
- 242038 MA
Self-reported in NPPES; status is on the state search - Practice location
- 3300 Main Street, Springfield, MA 01107
- Phone
- (413) 794-7045
- Enumerated
- Jul 18, 2006
- Record last updated
- May 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (413) 794-7345
- Entity
- Type 1 · individual
Also registered at 3300 Main Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Cynthia K. Sites in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 242038Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $34.45
1 payment: food and beverage; the largest payer was CooperSurgical, Inc. The 1,066 providers of this specialty with any payment received $1,086.52 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Reproductive Endocrinology Physician providers in Massachusetts
There are 69 reproductive endocrinology physician records in Massachusetts.
Other reproductive endocrinology physician records in Massachusetts
- Carol Anania, M.D.Dedham, MA1124015029
- Jeremy ApplebaumBoston, MA1366959116
- Sara Arian, MD, MSCWaltham, MA1336495597
- Armando Arroyo, MDWorcester, MA1538188420
- Steven Bayer, M.D.Brookline, MA1154375038
- Brian Berger, M.D.Quincy, MA1811934557
- Merle Berger, M.D.Waltham, MA1215974506
- Pietro BortolettoDedham, MA1720477516
- Vito Cardone, M.D.Stoneham, MA1285707356
- Eden Cardozo Levy, M.D.Boston, MA1619109469
Common questions
What is Cynthia K. Sites, MD's NPI number?
Cynthia K. Sites, MD's National Provider Identifier (NPI) is 1821017450, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia K. Sites, MD located?
The NPPES record lists a practice address at 3300 Main Street, Springfield, MA, 01107. Phone: (413) 794-7045. Providers update this record themselves, so call before visiting.
How can I verify Cynthia K. Sites, MD's license?
NPPES lists Massachusetts license number 242038, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.