Michael B. O'Sullivan, MD
Orthopaedic Surgery Physician · Springfield, MA
Michael B. O'Sullivan, MD is an orthopaedic surgery physician with a practice address in Springfield, Massachusetts, and NPI 1376981266, issued on Jun 13, 2013. Check the license (Massachusetts 283812, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Michael B. O'Sullivan
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 283812 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Birnie Ave Ste 201, Springfield, MA 01107
- Phone
- (413) 785-4666
- Enumerated
- Jun 13, 2013
- Record last updated
- Mar 12, 2024
- Medicare enrollment
- Enrolled (PECOS I20200915002498); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2013
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 692 in Massachusetts → Look up another NPI →
Also registered at 300 Birnie Ave Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christa Batista, PAPhysician Assistant1225791502
- Madison Bonavita, PA-CPhysician Assistant1487497863
- Alexander Brothers, M.D.Orthopaedic Surgery Physician1619318060
- Alissa BurianPhysician Assistant1134962244
- Cameron Card, CNPNurse Practitioner1003597303
- Philip Chandler, MDOrthopaedic Surgery Physician1730443417
Verify Michael B. O'Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 283812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average orthopaedic surgery physician in 2024
706 Medicare Part D claims for 366 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 138 claims were for opioids.
Most prescribed
- Meloxicam222 claims
- Amoxicillin171 claims
- Tramadol Hcl87 claims
- Celecoxib43 claims
- Oxycodone Hcl41 claims
- Clindamycin Hcl36 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.
Bills Medicare through one group practice
- Northeast Orthopaedic Alliance PLLCSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael B. O'Sullivan among 692 orthopaedic surgery physician records in Massachusetts
Michael B. O'Sullivan, MD 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 updated2024 · 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.
All 692 in Massachusetts → Every provider in Springfield → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Louis Adler, MDSpringfield, MA 011071033136601
- Alan Bullock, MDSpringfield, MA 011071861450389
- John Corsetti, M.D.Springfield, MA 011071427076819
- Robert Cowan, M.D.Springfield, MA 011071003834490
- Richard Fingeroth, M.D.Springfield, MA 011071982637971
- Sumner Karas, M.D.Springfield, MA 011071265451942
- Stephen Kelly, M.D.Springfield, MA 011071851371108
- Paul Koerner, MDSpringfield, MA 011071134187651
Common questions
What is Michael B. O'Sullivan, MD's NPI number?
Michael B. O'Sullivan, MD's National Provider Identifier (NPI) is 1376981266, issued on Jun 13, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Michael B. O'Sullivan, MD located?
The NPPES record lists a practice address at 300 Birnie Ave Ste 201, Springfield, MA, 01107. Phone: (413) 785-4666. Providers update this record themselves, so call before visiting.
How can I verify Michael B. O'Sullivan, MD's license?
NPPES lists Massachusetts license number 283812, 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 B. O'Sullivan, MD prescribe under Medicare Part D?
In 2024, Michael B. O'Sullivan, MD had 706 Medicare Part D claims for 366 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.