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

NPI Status: Active since July 23, 2019

Contact Information

22 S GREENE ST
BALTIMORE, MD
ZIP 21201
Phone: (410) 328-6280

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  • Individual
  • Female
  • Years of Experience 13
  • Orthopaedic Surgery
  • Adult Reconstructive Orthopaedic Surgery
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About MARISSA BONYUN

This page provides the complete NPI Profile along with additional information for Marissa Bonyun, a provider established in Baltimore, Maryland with a medical specialization in Orthopaedic Surgery, focusing in adult reconstructive orthopaedic surgery and more than 13 years of experience. She graduated from University Of Toronto, Faculty Of Medicine in 2013. The healthcare provider is registered in the NPI registry with number 1790338341 assigned on July 2019. The practitioner's primary taxonomy code is 207XS0114X with license number 35.139373 (OH). The provider is registered as an individual and her NPI record was last updated 6 years ago.

NPI
1790338341
Provider Name
DR. MARISSA ELIZABETH BONYUN MD, MED, FRCSC
Gender
Female
Entity Type
Individual
Location Address
22 S GREENE ST BALTIMORE, MD 21201
Location Phone
(410) 328-6280
Mailing Address
PO BOX 636256 CINCINNATI, OH 45263
Mailing Phone
(513) 585-6200
Mailing Fax
Medical School Name
UNIVERSITY OF TORONTO, FACULTY OF MEDICINE
Graduation Year
2013
Is Sole Proprietor?
No
Enumeration Date
07-23-2019
Last Update Date
08-19-2020
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Orthopaedic Surgery Adult Reconstructive Orthopaedic Surgery

Taxonomy Code
207XS0114X
Type
Allopathic & Osteopathic Physicians
License No.
35.139373
License State
OH
Taxonomy Description
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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
104120OTHER (01)CPSO

Medicare Participation & PECOS Enrollment Status

Marissa Bonyun is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Marissa Bonyun is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 4082048525

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20211025002031, I20211208001119

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 27 times for 18 patients

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 38 times for 33 patients

Established patient office or other outpatient visit, 40-54 minutes

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.

This service was performed 30 times for 28 patients

Hip replacement

A hip replacement is a surgical procedure where a worn-out or damaged hip joint is replaced with an artificial one. This procedure can greatly reduce pain and improve mobility. It's often recommended when other treatments like physical therapy or medications fail to alleviate symptoms.

This service was performed for 12 patients

Knee replacement

A knee replacement is a surgical procedure where a damaged or diseased knee joint is replaced with an artificial one. This can relieve pain and improve mobility. The procedure involves removing damaged parts of the knee and inserting a prosthetic joint. Recovery may take several weeks.

This service was performed for 1-10 patients

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Marissa Bonyun is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
UNIVERSITY OF MD CAPITAL REGION MEDICAL CENTER901 NORTH HARRY S TRUMAN DRIVE
UPPER MARLBORO, MD 20774
(301) 618-2000Acute Care Hospitals

Reviews for DR. MARISSA ELIZABETH BONYUN MD, MED, FRCSC

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1790338341, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
4
Doubled → 8
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 9 → 18 → 9 3 → 6 8 → 16 → 7 4 → 8

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 7 + 1 + 8 + 0 + 6 + 3 + 1 + 6 + 3 + 8 + 24 = 69

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1790338341.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Practitioner (Pediatrics)
22 S GREENE ST, RM N6W84
BALTIMORE, MD 21201
Internal Medicine (Hematology & Oncology)
22 S GREENE ST
BALTIMORE, MD 21201
Specialist
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Infectious Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Radiology (Diagnostic Radiology)
22 S GREENE ST, DEPT. OF RADIOLOGY
BALTIMORE, MD 21201
Radiology (Diagnostic Radiology)
22 S GREENE ST, ROOM N2E23
BALTIMORE, MD 21201
Nurse Practitioner
22 S GREENE ST, NEONATOLOGY DEPARTMENT
BALTIMORE, MD 21201
Internal Medicine (Medical Oncology)
22 S GREENE ST
BALTIMORE, MD 21201
Nurse Anesthetist, Certified Registered
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Infectious Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Surgery (Trauma Surgery)
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Infectious Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Hospitalist
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Medical Oncology)
22 S GREENE ST
BALTIMORE, MD 21201
Surgery (Vascular Surgery)
22 S GREENE ST, S10B00
BALTIMORE, MD 21201
Internal Medicine (Infectious Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Pulmonary Disease)
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine (Gastroenterology)
22 S GREENE ST
BALTIMORE, MD 21201
Emergency Medicine (Emergency Medical Services)
22 S GREENE ST
BALTIMORE, MD 21201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790338341, enumerated as an "individual" on July 23, 2019.

The provider is located at 22 S GREENE ST BALTIMORE, MD 21201 and the phone number is (410) 328-6280.

Orthopaedic Surgery with taxonomy code 207XS0114X and a focus in Adult Reconstructive Orthopaedic Surgery.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.

Marissa Bonyun is affiliated with: UNIVERSITY OF MD CAPITAL REGION MEDICAL CENTER.