Doctor profile · Federal record

Dr. Jonathan Purnell, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Portland, OR

  • NPI 1144236639
  • Accepts Medicare
  • MIPS 90.5 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3181 Sw Sam Jackson Park RD
Portland, OR 972393011
(503) 494-5732
Mailing address
1814 Sw Elm St
Portland, OR 972012329

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Oregon #MD22703
Medicaid
OR #287923

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144236639. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
143
Distinct HCPCS
3
Medicare allowed
$14,672
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 88 73 $95
99204 New patient office or other outpatient visit, 45-59 minutes 39 39 $134
99213 Established patient office or other outpatient visit, 20-29 minutes 16 15 $69

In context: peer comparison

Among 22 peers in this city , average services per provider: 84. This provider delivers 1.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27,111
Transactions
24
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 13 $10,364.04
Regeneron Pharmaceuticals, Inc. 5 $9,233.00
Novo Nordisk AS 5 $7,396.49
Lilly USA, LLC 1 $117.27

By nature of payment

Consulting Fee
$25,004
Food and Beverage
$1,145
Travel and Lodging
$962

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,001
Patients
238
Total drug cost
$597,075
Drug Type Claims Patients Total cost
Ozempic (Semaglutide) Brand 304 53 $376,727
Rosuvastatin Calcium Generic 204 67 $5,255
Ezetimibe Generic 92 36 $3,884
Mounjaro (Tirzepatide) Brand 78 13 $89,895
Topiramate Generic 62 22 $1,386
Jardiance (Empagliflozin) Brand 48 13 $59,005
Atorvastatin Calcium Generic 43 15 $834
Metformin Hcl Generic 38 19 $655
Icosapent Ethyl Generic 29 0 $16,051
Metformin Hcl Er (Metformin Hcl) Brand 20 0 $254

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Purnell's medical specialty?
Dr. Jonathan Purnell practices Endocrinology, Diabetes & Metabolism Physician in Portland, OR.
Where does Dr. Jonathan Purnell practice?
Dr. Jonathan Purnell practices at 3181 Sw Sam Jackson Park RD, Portland, OR 972393011. Office phone: 5034945732.
What is Dr. Jonathan Purnell's NPI?
Dr. Jonathan Purnell's National Provider Identifier (NPI) is 1144236639, issued by NPPES.
Does Dr. Jonathan Purnell accept Medicare assignment?
Yes. Dr. Jonathan Purnell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Purnell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.