Doctor profile · Federal record

Dr. Jonathan Kark, MD

Orthopaedic Surgery of the Spine Physician (CMS: Orthopedic Surgery) · Orthopaedic Surgery of the Spine Physician · Orthopaedic Trauma Physician · Orthopaedic Surgery of the Spine Physician · Orthopaedic Surgery Physician · Portland, OR

  • NPI 1902225386
  • Accepts Medicare
  • MIPS 90.5 / 100 · 2023
  • 12 yrs in practice
  • Licensed in 3 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3181 Sw Sam Jackson Park RD # Op31
Portland, OR 972393079
(503) 418-8993

Credentials & registration

NPPES · NUCC
NPI registered
April 2014 — 12 yrs on file
Profile last updated
September 11, 2024
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207XS0117X — NUCC code
State licenses (3)
Oregon #MD212801 · Kentucky #53703 · Washington #MD60941867

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902225386. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
133
Distinct HCPCS
5
Medicare allowed
$26,761
HCPCS Description Services Patients Avg allowed
22614 Fusion of additional segment of spine 59 11 $345
99213 Established patient office or other outpatient visit, 20-29 minutes 24 17 $67
99442 Telephone medical discussion with physician, 11-20 minutes 21 17 $67
99214 Established patient office or other outpatient visit, 30-39 minutes 16 14 $99
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $136

In context: peer comparison

Among 3 peers in this city , average services per provider: 32. This provider delivers 4.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$324
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
DePuy Synthes Sales Inc. 3 $304.54
Globus Medical, Inc. 1 $18.97

By nature of payment

Food and Beverage
$324

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Kark's medical specialty?
Dr. Jonathan Kark practices Orthopaedic Surgery of the Spine Physician in Portland, OR.
Where does Dr. Jonathan Kark practice?
Dr. Jonathan Kark practices at 3181 Sw Sam Jackson Park RD # Op31, Portland, OR 972393079. Office phone: 5034188993.
What is Dr. Jonathan Kark's NPI?
Dr. Jonathan Kark's National Provider Identifier (NPI) is 1902225386, issued by NPPES.
Does Dr. Jonathan Kark accept Medicare assignment?
Yes. Dr. Jonathan Kark accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Kark commonly perform?
Top Medicare-reported procedures in 2023: Fusion of additional segment of spine (HCPCS 22614); Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99442). Source: CMS Medicare Physician & Other Practitioners file.