Jonathan A. Kark, MD
Orthopaedic Surgery of the Spine Physician · Portland, OR
Jonathan A. Kark, MD is an orthopaedic surgery of the spine physician with a practice address in Portland, Oregon, and NPI 1902225386, issued on Apr 14, 2014. Check the license (Oregon MD212801, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jonathan A. Kark
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery of the Spine Physician 207XS0117X
- License numbers
- MD212801 OR
53703 KY
MD60941867 WA
Self-reported in NPPES; status is on the state search - Practice location
- 3181 SW Sam Jackson Park RD # OP31, Portland, OR 97239
- Phone
- (503) 418-8993
- Enumerated
- Apr 14, 2014
- Record last updated
- Sep 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20220920002527); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Aurora, 2014
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery of the spine physician records → All 29 in Oregon → Look up another NPI →
Also registered at 3181 SW Sam Jackson Park RD # OP31
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lara Atwater, M.D.Orthopaedic Foot and Ankle Surgery Physician1366718116
- Nathan Fennewald, PA-CPhysician Assistant1386004521
- Shannon Goddard, PAMedical Physician Assistant1780961417
- Clifford Lin, BSC, MD, MASC, FRCSCOrthopaedic Surgery of the Spine Physician1558748210
- Sourabh Mukherjee, MDOrthopaedic Surgery of the Spine Physician1588003677
Verify Jonathan A. Kark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD212801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 97.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $323.51
4 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales Inc. The 1,726 providers of this specialty with any payment received $34,071.55 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 one group practice
- University Professional ServicesPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan A. Kark among 29 orthopaedic surgery of the spine physician records in Oregon
Jonathan A. Kark, MD is one of 29 orthopaedic surgery of the spine physician records with a practice address in Oregon. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 90% of them.
- NPI issued2014 · 90% of these records are older, 3% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2014 · median 2005 among the 14 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0117X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery of the Spine Physician providers in Oregon
There are 29 orthopaedic surgery of the spine physician records in Oregon.
All 29 in Oregon → Every provider in Portland → Orthopaedic Surgery of the Spine Physician nationwide →
The 8 orthopaedic surgery of the spine physician records with the nearest ZIP codes
- Durairaj Jagajeevanram, M.DPortland, OR 972391659565042
- Satoshi Kawaguchi, M. DPortland, OR 972391164860193
- Renuka Reddy Kuruvalli, M.DPortland, OR 972391700203338
- Clifford Lin, BSC, MD, MASC, FRCSCPortland, OR 972391558748210
- Sourabh Mukherjee, MDPortland, OR 972391588003677
- Travis Philipp, MDPortland, OR 972391073947719
- Jung Yoo, MDPortland, OR 972391881609394
- Mark Manoso, MDPortland, OR 972251497728596
Common questions
What is Jonathan A. Kark, MD's NPI number?
Jonathan A. Kark, MD's National Provider Identifier (NPI) is 1902225386, issued on Apr 14, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan A. Kark, MD located?
The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD # OP31, Portland, OR, 97239. Phone: (503) 418-8993. Providers update this record themselves, so call before visiting.
How can I verify Jonathan A. Kark, MD's license?
NPPES lists Oregon license number MD212801, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Jonathan A. Kark, MD's MIPS final score?
The 2023 MIPS final score is 97.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.