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Dr. Marika Yedinak Gassner , DO

Surgery - Trauma Surgery โ€ข Bend, OR

Active NPI 1730345331 Individual Practitioner Female Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

2200 Ne Neff Rd Ste 302
Bend, OR 977014279

Call 5417066915 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

2200 Ne Neff Rd Ste 302

Bend, OR 977014279

Telephone 5417066915
Fax 5417066733
Organization at the Same NPPES Address or Phone
Arthritis And Osteoporsis Clinic Llc Facility NPI 1053442855

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

NPPES lists 1 additional practice-address record in Lebanon, OR. See the list

Source: CMS NPPES NPI Registry, practice location records; release date unavailable.

CMS Doctors and Clinicians lists 1 group name: St Charles Health System Inc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Graduation Year

2009

Medicare patients

96 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider, 2024.

Medicare-allowed amount

About $8,392 in 2024

The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider and Service, 2024.

Paid by Medicare

About $6,630 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners โ€“ by Provider and Service, 2024.

Open Payments general payments, program year 2025

All general payments: $196.07 across 3 records.

By nature of payment

  • Food and Beverage: $196.07 across 3 records.

Reporting-company totals

  • Zimmer Biomet Holdings, Inc.: $121.07 across 2 records.
  • CLR Medical, Inc.: $75.00 across 1 record.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

17 years (graduated 2009)

CMS Doctors and Clinicians data list 2009 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2008

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, โ€œDoes your provider accept Medicare as full payment?โ€

Guide: What Medicare assignment means

Telehealth (some services)

Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.

What this does not show: Telehealth (some services)

It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Gassner has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. Gassner as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Bend and Oregon

Billing and prescribing volume is not a quality rating.

Medicare Part B services

Fewer Medicare Part B services than 75% of clinicians listed under Surgery - Trauma Surgery in Oregon (2024, 14 clinicians with data). Median for this group: 123. Middle half: 62 to 139.

Too few clinicians listed under Surgery - Trauma Surgery in Bend have Medicare Part B data for 2024 to compare.

Medicare-allowed amount

A lower Medicare-allowed amount than 75% of clinicians listed under Surgery - Trauma Surgery in Oregon (2024, 14 clinicians with data). Median for this group: $12,656. Middle half: $8,482 to $19,153.

Too few clinicians listed under Surgery - Trauma Surgery in Bend have Medicare Part B data for 2024 to compare.

Paid by Medicare

A lower Medicare payment amount than 65% of clinicians listed under Surgery - Trauma Surgery in Oregon (2024, 14 clinicians with data). Median for this group: $10,169. Middle half: $6,627 to $15,230.

Too few clinicians listed under Surgery - Trauma Surgery in Bend have Medicare Part B data for 2024 to compare.

2 active clinicians are listed under Surgery - Trauma Surgery with a practice address in Bend, OR (21 in Oregon).

Addresses are self-reported to NPPES and may be out of date.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo ยท Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments ยท Program Year 2025
Disclosure Year:

Program year 2025 (payments made January 1 โ€“ December 31, 2025): fewer than 11 records totaling $196.07.

Manufacturer Payment Nature Product Type Amount ($)
Zimmer Biomet Holdings, Inc.
Food and Beverage
In-kind items and services
โ€” General $86.98
CLR Medical, Inc.
Food and Beverage
Cash or cash equivalent
Irrigator General $75.00
Zimmer Biomet Holdings, Inc.
Food and Beverage
In-kind items and services
โ€” General $34.09

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B ยท Data Year 2024
Reporting Year:

CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016โ€“2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ€“ by Provider and Service data, 2017โ€“2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
23 23 $495.04 $126.96
99291 Critical care, first 30-74 minutes
21 14 $1006.33 $205.64
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
15 15 $270.93 $76.91

Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2024-07-26
Surgery - Trauma Surgery Primary Specialty

NUCC Taxonomy Code: 2086S0127X

License # reported to NPPES OR DO173289

Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.

Surgery - Surgical Critical Care

NUCC Taxonomy Code: 2086S0102X

License # reported to NPPES OR DO 173289

A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Oregon Medical Board.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - GENERAL SURGERY

Medicare Enrollment ID

I20150825005925

Enrollment State Jurisdiction

OR

PECOS Control ID

0042442303

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

St Charles Health System Inc

480 Ne A St, Madras, OR 977411844

St Charles Health System Inc

2500 Ne Neff Rd, Bend, OR 977016015

Phone: 5417067715

St Charles Health System Inc

61250 Se Coombs Pl, Bend, OR 977023704

Phone: 5417065935

St Charles Health System Inc

2500 Ne Neff Rd, Bend, OR 977016015

St Charles Health System Inc

211 Nw Larch Ave, Redmond, OR 977561357

Phone: 5415482164

Secondary Practice Locations

675 N 5th St

Lebanon, OR 973552875

Phone: 5414516282

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

28 listed
NPI 1841580503

Doctor of Medicine (M.D.)

Daniel Cosgro , PA-C

Physician Assistant - Surgical

NPI 1972588572

Physician Assistant (Certified)

Kristopher Cox , PA-C

Physician Assistant

NPI 1871936880

Physician Assistant (Certified)

Nicole Deboer , ARNP

Nurse Practitioner - Family

NPI 1861191702

Advanced Registered Nurse Practitioner

Aleah Driscoll , PA-C

Physician Assistant - Medical

NPI 1417555251

Physician Assistant (Certified)

Dr. Nicholas Faunce , MD

Surgery - Surgical Critical Care

NPI 1598287567

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

15 Historical Events
๐Ÿ“
Updated Practice Location August 30, 2023

Registered at 2200 NE NEFF RD STE 302, BEND, OR 977014279 (Tel: 5417066915)

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) August 30, 2023

Surgery (license number reported to NPPES: OR DO 173289)

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) December 20, 2021

Surgery (license number reported to NPPES: OR DO173289)

๐Ÿ“
Updated Practice Location April 23, 2020

Registered at 2275 NE DOCTORS DR STE 6, BEND, OR 977016092 (Tel: 5417066915)

โœ…
NPI Profile Active March 06, 2017

NPI status registered as active in NPPES database

๐Ÿ“
Updated Practice Location March 06, 2017

Registered at 2500 NE NEFF RD, BEND, OR 977016015 (Tel: 5417066915)

๐Ÿ“
Updated Business Mailing Address March 06, 2017

Registered at 2500 NE NEFF RD, BEND, OR 977016015 (Tel: 5417062900)

๐Ÿ‘ค
Provider Name / Credentials Updated March 06, 2017

Recorded as MARIKA GASSNER, D.O

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) March 06, 2017

Surgery (license number reported to NPPES: OR DO 173289)

โœ…
NPI Profile Active July 29, 2015

NPI status registered as active in NPPES database

๐Ÿ“
Practice Location (Initial Record) July 29, 2015

Registered at 15855 19 MILE RD, CLINTON TOWNSHIP, MI 480383504 (Tel: 5862632950)

๐Ÿ“
Business Mailing Address (Initial Record) July 29, 2015

Registered at 2500 NE NEFF RD, BEND, OR 977016015 (Tel: 5417062900)

๐Ÿ‘ค
Provider Name / Credentials (Initial Record) July 29, 2015

Recorded as MARIKA GASSNER, D.O

๐ŸŽ“
Medical Taxonomy / Specialty Registered (Primary Specialty) July 29, 2015

Surgery (license number reported to NPPES: MI 5101018281)

๐ŸŸข
Initial NPI Registration & Enumeration August 03, 2008

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1730345331
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 03, 2008
Last Update: July 26, 2024
Sole Proprietor: No

Mailing Address

2500 Ne Neff Rd

Bend, OR 977016015

Phone: 5417062900

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.