Registry data as of Aug 27, 2026

Katherine Vadasdi, M.D.

Sports Medicine (Orthopaedic Surgery) Physician · Greenwich, CT

Katherine Vadasdi, M.D. is a sports medicine (orthopaedic surgery) physician with a practice address in Greenwich, Connecticut, and NPI 1417151457, issued on Jun 13, 2007. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1417151457
Name
Katherine Vadasdi
Credential
M.D.
Primary taxonomy
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
Practice location
6 Greenwich Office Park, Greenwich, CT 06831
Phone
(203) 869-1145
Enumerated
Jun 13, 2007
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 6 Greenwich Office Park

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

  1. Feyisara Adaramola, PTPhysical Therapist1649664327
  2. Moha Ahuja, D.O.Family Medicine Physician1255587218
  3. Paul Apostolides, MDNeurological Surgery Physician1265403927
  4. Jonathan Berliner, M.D.Orthopaedic Surgery Physician1063706232
  5. Carlye Bianco, PA-CPhysician Assistant1134645211
  6. Yaryna Bilinska, PTAPhysical Therapy Assistant1104338771

Verify Katherine Vadasdi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck 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 Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

29% fewer Medicare Part D claims than the average sports medicine (orthopaedic surgery) physician in 2024

220 Medicare Part D claims for 142 beneficiaries, against an average of 309 among the 2,099 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Katherine Vadasdi220
  2. Specialty average309

Most prescribed

  1. Meloxicam168 claims
  2. Methylprednisolone16 claims
  3. Gabapentin14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

No measured Medicare quality score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $274.96

3 payments, mostly food and beverage; the largest payer was Gotham Surgical Solutions & Devices, Inc.. The 1,943 providers of this specialty with any payment received $24,142.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Vadasdi$274.96
  2. Specialty average$24,142.99

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Orthopaedic And Neurosurgery Specialists, PLLCHarrison, NY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Sports Medicine (Orthopaedic Surgery) Physician providers in Connecticut

There are 34 sports medicine (orthopaedic surgery) physician records in Connecticut.

Other sports medicine (orthopaedic surgery) physician records in Connecticut

  1. Kelms Amoo-Achampong, MDFairfield, CT1215461736
  2. Andrew Bazos, MDNew Milford, CT1568551927
  3. Lee Bloom, M.D.Middletown, CT1801282470
  4. Michael Brand, M.D.Danbury, CT1144257288
  5. David Cohen, M.D.Branford, CT1619964673
  6. John Daigneault, M.D.Branford, CT1477532489
  7. Joel Eisenberg, M.D.Trumbull, CT1609867407
  8. Lauren Fabian, M.D.Fairfield, CT1437316007
  9. Arthur Geiger, M.D.Fairfield, CT1104858877
  10. Megan Gleason, MDShelton, CT1184948911

Common questions

What is Katherine Vadasdi, M.D.'s NPI number?

Katherine Vadasdi, M.D.'s National Provider Identifier (NPI) is 1417151457, issued on Jun 13, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Vadasdi, M.D. located?

The NPPES record lists a practice address at 6 Greenwich Office Park, Greenwich, CT, 06831. Phone: (203) 869-1145. Providers update this record themselves, so call before visiting.

How can I verify Katherine Vadasdi, M.D.'s license?

Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine Vadasdi, M.D. prescribe under Medicare Part D?

In 2024, Katherine Vadasdi, M.D. had 220 Medicare Part D claims for 142 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 309. Part D covers Medicare prescriptions only.

What is Katherine Vadasdi, M.D.'s Medicare quality score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.