NPPES file of Aug 9, 2026

Michael Kolosky, DO

Orthopaedic Surgery Physician · Boston, MA

Michael Kolosky, DO is an orthopaedic surgery physician with a practice address in Boston, Massachusetts, and NPI 1740521798, issued on Mar 14, 2013. Check the license (Massachusetts 274008, 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
1740521798
Name
Michael Kolosky
Credential
DO
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
274008 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Fruit St, Boston, MA 02114
Phone
(617) 726-2000
Enumerated
Mar 14, 2013
Record last updated
Jul 18, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180720000076); accepts Medicare assignment
Medical or professional school
West Virginia School Of Osteopathic Medicine, 2013
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 55 Fruit St

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

  1. Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
  2. Matthew AbadirAnesthesiology Physician1699120550
  3. Taimur AbbasiInternal Medicine Physician1841673522
  4. Megan Abbott, MDAnesthesiology Physician1730839333
  5. Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
  6. Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590

Verify Michael Kolosky 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 274008
    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

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

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89% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

39 Medicare Part D claims for 27 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Michael Kolosky39
  2. Specialty average346

Most prescribed

  1. Meloxicam17 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.

Industry payments in 2024: $1,062.27

3 payments; by number, the most common kind was food and beverage; the largest payer was Brixton Biosciences, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Kolosky$1,062
  2. Specialty average$23,023

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

Bills Medicare through 2 group practices

  1. Mass General Brigham Medical Group Northern Massachusetts IncBeverly, MA
  2. Mass General Brigham Medical Group, Inc.Salem, NH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael Kolosky among 692 orthopaedic surgery physician records in Massachusetts

Michael Kolosky, DO is one of 692 orthopaedic surgery physician records with a practice address in Massachusetts. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 70% of them.

  • NPI issued2013 · 70% of these records are older, 26% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2013 · median 2004 among the 441 with a school on file
  • Record last updated2018 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in Massachusetts

There are 692 orthopaedic surgery physician records in Massachusetts.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Maurice Albright, MDBoston, MA 021141194715904
  2. Peter Asnis, MDBoston, MA 021141770564577
  3. Arthur Boland, MDBoston, MA 021141013908219
  4. Andrew Freiberg, MDBoston, MA 021141144210956
  5. William Harris, MDBoston, MA 021141801887336
  6. James Herndon, MD MBABoston, MA 021141326029612
  7. Jesse Jupiter, MDBoston, MA 021141679564207
  8. David Lhowe, MDBoston, MA 021141326039975

Common questions

What is Michael Kolosky, DO's NPI number?

Michael Kolosky, DO's National Provider Identifier (NPI) is 1740521798, issued on Mar 14, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Michael Kolosky, DO located?

The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-2000. Providers update this record themselves, so call before visiting.

How can I verify Michael Kolosky, DO's license?

NPPES lists Massachusetts license number 274008, 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.

How much does Michael Kolosky, DO prescribe under Medicare Part D?

In 2024, Michael Kolosky, DO had 39 Medicare Part D claims for 27 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

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.