Doctor profile · Federal record

Dr. Jason Leong, D.O.

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Portland, OR

  • NPI 1982623674
  • Accepts Medicare
  • MIPS 85.3 / 100 · 2023
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2801 N Gantenbein Ave
Portland, OR 972271623
(503) 413-2200
fax (503) 413-7361
Mailing address
1015 Nw 22Nd Ave, R 200
Portland, OR 972103025

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
February 4, 2022
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
Oregon #DO26699

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982623674. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
163
Distinct HCPCS
3
Medicare allowed
$30,791
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 137 70 $215
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 13 13 $84
76937 Ultrasonic guidance for blood vessel access 13 13 $14

In context: peer comparison

Among 6 peers in Portland Critical Care Medicine (Internal Medicine) Physician, average services per provider: 48. This provider delivers 3.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Leong's medical specialty?
Dr. Jason Leong practices Critical Care Medicine (Internal Medicine) Physician in Portland, OR.
Where does Dr. Jason Leong practice?
Dr. Jason Leong practices at 2801 N Gantenbein Ave, Portland, OR 972271623. Office phone: 5034132200.
What is Dr. Jason Leong's NPI?
Dr. Jason Leong's National Provider Identifier (NPI) is 1982623674, issued by NPPES.
Does Dr. Jason Leong accept Medicare assignment?
Yes. Dr. Jason Leong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Leong commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Insertion of non-tunneled central venous tube for infusion (5 years or older) (HCPCS 36556); Ultrasonic guidance for blood vessel access (HCPCS 76937). Source: CMS Medicare Physician & Other Practitioners file.