Doctor profile · Federal record

Dr. Gregory Nadol, MD

Anesthesiology Physician (CMS: Anesthesiology) · Portland, OR

  • NPI 1659385524
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
707 Sw Washington St, Ste 700
Portland, OR 972053536
(503) 299-9906
fax (503) 225-9002
Mailing address
Po Box 35147, #1801
Seattle, WA 981245147

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
October 17, 2018
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Oregon #MD21019
Medicaid (2)
OR #151108 · WA #8225153

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659385524. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
42
Distinct HCPCS
3
Medicare allowed
$3,886
HCPCS Description Services Patients Avg allowed
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 18 18 $69
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 13 12 $54
01830 Anesthesia for other procedure on forearm, wrist, or hand bones 11 11 $177

In context: peer comparison

Among 123 peers in this city , average services per provider: 22. This provider delivers 1.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Nadol's medical specialty?
Dr. Gregory Nadol practices Anesthesiology Physician in Portland, OR.
Where does Dr. Gregory Nadol practice?
Dr. Gregory Nadol practices at 707 Sw Washington St, Portland, OR 972053536. Office phone: 5032999906.
What is Dr. Gregory Nadol's NPI?
Dr. Gregory Nadol's National Provider Identifier (NPI) is 1659385524, issued by NPPES.
Does Dr. Gregory Nadol accept Medicare assignment?
Yes. Dr. Gregory Nadol accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Nadol commonly perform?
Top Medicare-reported procedures in 2023: Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (HCPCS 64415); Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447); Anesthesia for other procedure on forearm, wrist, or hand bones (HCPCS 01830). Source: CMS Medicare Physician & Other Practitioners file.