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DR. MARISSA ELIZABETH BONYUN MD, MED, FRCSC
NPI 1790338341
Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery in Baltimore, MD

Active since July 23, 2019PECOS EnrolledAccepts Medicare Assignment
22 S GREENE ST, BALTIMORE, MD 21201(410) 328-6280 Get Directions Write a Review

NPPES record last updated: August 19, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 19, 2020, Jul 23, 2019 (2 updates tracked since 2019).

About Dr. Marissa Elizabeth Bonyun Md, Med, Frcsc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARISSA ELIZABETH BONYUN MD, MED, FRCSC (NPI 1790338341) is an individual adult reconstructive orthopaedic surgery provider in Baltimore, Maryland, licensed in Ohio (35.139373) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of University Of Toronto, Faculty Of Medicine (2013).

NPPES Registry Identity

NPI1790338341
Entity TypeIndividualFemale
Primary Taxonomy207XS0114X
Provider Legal NameDR. MARISSA ELIZABETH BONYUNCredential: MD, MED, FRCSC
Location Address22 S GREENE STBaltimore, MD 21201-1544
Mailing AddressPo Box 636256Cincinnati, OH 45263-6256 · (513) 585-6200 · Fax (513) 245-3672
Phone(410) 328-6280
Sole ProprietorNo
Medical School CMSUniversity Of Toronto, Faculty Of MedicineGraduated 2013
Enumeration DateJuly 23, 2019
Last NPPES UpdateAugust 19, 20202 updates tracked since enumeration
NPPES CertifiedAugust 19, 2020
✔ NPI 1790338341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Adult Reconstructive Orthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XS0114X
License✔ Licensed in OH · 35.139373
Definition
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, adult reconstructive orthopaedic surgeons deal with reconstructive procedures such as joint arthroplasty (i.e., hip and knee), osteotomy, arthroscopy, soft-tissue reconstruction, and a variety of other adult reconstructive surgical procedures.
22 S GREENE ST, Baltimore, MD 21201
Open in Google Maps ↗

Other Identifiers 1

Other104120Cpso

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Marissa Elizabeth Bonyun Md, Med, Frcsc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082048525
PECOS Enrollment IDI20211025002031, I20211208001119
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
59 services51 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
27 services21 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
22 services21 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
21 services17 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
20 services20 patients
Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement 27236
This procedure involves treating a fracture at the top of your thigh bone. A stabilizing device or prosthetic replacement is placed to aid in healing. This helps restore mobility and function while reducing pain. The treatment aims for a quick and safe recovery.
16 services16 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Maryland Medical Center

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210002
Location22 South Greene StreetBaltimore, MD 21201 · Baltimore City County
Emergency services Birthing friendly

University Of MD Capital Region Medical Center

Acute Care Hospitals · Upper Marlboro, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210003
Location901 North Harry S Truman DriveUpper Marlboro, MD 20774 · Prince Georges County
Emergency services Birthing friendly

University Of MD Medical Center Midtown Campus

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number210038
Location827 Linden AvenueBaltimore, MD 21201 · Baltimore City County
Emergency services

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LEONARD ANANG SOWAH M.D.
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 706-4619
VISHAL BHATNAGAR MD
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, MEDICINE, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6110
NANCE J FOX P.A.-C
Physician Assistant (Medical)
22 S GREENE ST, G2K36
BALTIMORE, MD 21201
Baltimore City (410) 328-1170
HILARY TAMARA WOLF MD
Pediatrics (Adolescent Medicine)
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 328-7373
MS. LINDSAY BREAM O'MEARA CRNP
Nurse Practitioner (Acute Care)
22 S GREENE ST, SUITE S4D07
BALTIMORE, MD 21201
Baltimore City (410) 328-3365
NORA T OLIVER M.D., M.P.H.
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-5756
SHOSHANA JO WEINER
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (617) 214-1332
JENNA VANLIERE CANZONIERO M.D.
Internal Medicine
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-5756

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marissa Bonyun's NPI number?

The NPI number for Marissa Bonyun is 1790338341. It was assigned to this individual provider in the NPPES registry on July 23, 2019.

Where is Marissa Bonyun located?

Marissa Bonyun practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-6280.

What is Marissa Bonyun's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Adult Reconstructive Orthopaedic Surgery, with taxonomy code 207XS0114X.

Is Marissa Bonyun enrolled in Medicare?

Yes. Marissa Bonyun is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Marissa Bonyun affiliated with any hospitals?

According to CMS data, Marissa Bonyun is affiliated with University Of Maryland Medical Center, University Of MD Capital Region Medical Center and University Of MD Medical Center Midtown Campus.

When was this NPI record last updated?

The NPPES record for Marissa Bonyun was last updated on August 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.