NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821017450
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
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3300 Main Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mohammad Abu Hishmeh, M.DPulmonary Disease Physician1841608890
  2. Sophia Airhart, M.D., FACCAdvanced Heart Failure and Transplant Cardiology Physician1427379825
  3. Raul Alicea, PA-CMedical Physician Assistant1275057051
  4. Stuart Anfang, M.D.Psychiatry Physician1033269410
  5. Stacie Baldwin, PA-CMedical Physician Assistant1558518951
  6. George Baquis, MDNeurology Physician1912002965

Verify Cynthia K. Sites in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 242038
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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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.

  1. Cynthia Sites$34.45
  2. Specialty average$1,086.52

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

  1. Carol Anania, M.D.Dedham, MA1124015029
  2. Jeremy ApplebaumBoston, MA1366959116
  3. Sara Arian, MD, MSCWaltham, MA1336495597
  4. Armando Arroyo, MDWorcester, MA1538188420
  5. Steven Bayer, M.D.Brookline, MA1154375038
  6. Brian Berger, M.D.Quincy, MA1811934557
  7. Merle Berger, M.D.Waltham, MA1215974506
  8. Pietro BortolettoDedham, MA1720477516
  9. Vito Cardone, M.D.Stoneham, MA1285707356
  10. 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.