Marissa Elizabeth Bonyun, MD, MED, FRCSC
Adult Reconstructive Orthopaedic Surgery Physician · Baltimore, MD
Marissa Elizabeth Bonyun, MD, MED, FRCSC is an adult reconstructive orthopaedic surgery physician with a practice address in Baltimore, Maryland, and NPI 1790338341, issued on Jul 23, 2019. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Marissa Elizabeth Bonyun
- Credential
- MD, MED, FRCSC
- Primary taxonomy
- Adult Reconstructive Orthopaedic Surgery Physician 207XS0114X
- License number
- 35.139373 OH
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 328-6280
- Enumerated
- Jul 23, 2019
- Record last updated
- Aug 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211025002031); accepts Medicare assignment
- Medical or professional school
- University Of Toronto, Faculty Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest adult reconstructive orthopaedic surgery physician records → All 36 in Maryland → Look up another NPI →
Also registered at 22 S Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
- Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
- Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
- Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
- Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117
Verify Marissa Elizabeth Bonyun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average adult reconstructive orthopaedic surgery physician in 2024
29 Medicare Part D claims for 17 beneficiaries, against an average of 579 among the 1,112 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin13 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: $5,199.78
4 payments; by number, the most common kind was food and beverage; the largest payer was Synthes USA Products LLC. The 1,060 providers of this specialty with any payment received $68,015.27 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.
Bills Medicare through 3 group practices
- Dimensions Healthcare Associates, IncUpper Marlboro, MD
- University OF Maryland Orthopaedic Associates PABaltimore, MD
- University OF Maryland Orthopaedic Trauma Associates, P.A.Baltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marissa Elizabeth Bonyun among 36 adult reconstructive orthopaedic surgery physician records in Maryland
Marissa Elizabeth Bonyun, MD, MED, FRCSC is one of 36 adult reconstructive orthopaedic surgery physician records with a practice address in Maryland. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 0% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2013 · median 2009 among the 29 with a school on file
- Record last updated2020 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0114X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Reconstructive Orthopaedic Surgery Physician providers in Maryland
There are 36 adult reconstructive orthopaedic surgery physician records in Maryland.
All 36 in Maryland → Every provider in Baltimore → Adult Reconstructive Orthopaedic Surgery Physician nationwide →
The 8 adult reconstructive orthopaedic surgery physician records with the nearest ZIP codes
- Gregory Mendez, MDBaltimore, MD 212021528598331
- John Steele, M.D.Towson, MD 212041881057131
- Peter JayBaltimore, MD 212091891783114
- Avigdor Niv, MDBaltimore, MD 212091346361524
- Michael Mont, M.D.Baltimore, MD 212151679516751
- James Nace, D.O.Baltimore, MD 212151528219334
- Pablo Wagner, M.D.Baltimore, MD 212151235570839
- Grant DuvallBaltimore, MD 212181629538392
Common questions
What is Marissa Elizabeth Bonyun, MD, MED, FRCSC's NPI number?
Marissa Elizabeth Bonyun, MD, MED, FRCSC's National Provider Identifier (NPI) is 1790338341, issued on Jul 23, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Elizabeth Bonyun, MD, MED, FRCSC located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-6280. Providers update this record themselves, so call before visiting.
How can I verify Marissa Elizabeth Bonyun, MD, MED, FRCSC's license?
Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marissa Elizabeth Bonyun, MD, MED, FRCSC prescribe under Medicare Part D?
In 2024, Marissa Elizabeth Bonyun, MD, MED, FRCSC had 29 Medicare Part D claims for 17 beneficiaries; the average among adult reconstructive orthopaedic surgery physician prescribers was 579. 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.