Doctor profile · Federal record

Dr. Regan Duffy, MD

Medical Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Hematology & Oncology Physician · Portland, OR

  • NPI 1487876827
  • Accepts Medicare
  • MIPS 98.9 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9135 Sw Barnes RD, Suite 261
Portland, OR 972256784
(503) 216-6300
Mailing address
Po Box 3158
Portland, OR 972083158

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
May 2, 2025
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Oregon #MD28919
Medicaid
OR #5500654736

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487876827. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
338
Distinct HCPCS
4
Medicare allowed
$55,170
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 220 67 $183
99214 Established patient office or other outpatient visit, 30-39 minutes 76 40 $132
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 24 14 $33
99205 New patient office or other outpatient visit, 60-74 minutes 18 18 $227

In context: peer comparison

Among 16 peers in this city , average services per provider: 55. This provider delivers 6.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
454
Patients
131
Total drug cost
$1,490,559
Drug Type Claims Patients Total cost
Tagrisso (Osimertinib Mesylate) Brand 66 0 $1,101,546
Prochlorperazine Maleate Generic 56 42 $791
Dexamethasone Generic 48 20 $384
Oxycodone Hcl Generic 40 12 $946
Levothyroxine Sodium Generic 37 11 $616
Prednisone Generic 31 14 $185
Gabapentin Generic 30 0 $341
Olanzapine Generic 27 12 $66
Mirtazapine Generic 26 0 $812
Ondansetron Hcl Generic 24 20 $323

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Regan Duffy's medical specialty?
Dr. Regan Duffy practices Medical Oncology Physician in Portland, OR.
Where does Dr. Regan Duffy practice?
Dr. Regan Duffy practices at 9135 Sw Barnes RD, Portland, OR 972256784. Office phone: 5032166300.
What is Dr. Regan Duffy's NPI?
Dr. Regan Duffy's National Provider Identifier (NPI) is 1487876827, issued by NPPES.
Does Dr. Regan Duffy accept Medicare assignment?
Yes. Dr. Regan Duffy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Regan Duffy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212). Source: CMS Medicare Physician & Other Practitioners file.