Doctor profile · Federal record

Dr. Melissa Defreest, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Eugene, OR

  • NPI 1407960388
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 8 locations across 1 states.

NPPES Updated May 11, 2026
Primary practice
600 Country Club RD Ste 100
Eugene, OR 974012240
(541) 463-2390
fax (541) 463-2889
Mailing address
Po Box 1648
Eugene, OR 974401648
Oregon — 7 locations
Additional location
1200 Hilyard St Ste 110
Eugene, OR 974018112
(458) 205-6011
fax (541) 302-4733
Additional location
1255 Hilyard St
Eugene, OR 974013718
(503) 686-7300
Additional location
1515 Village Dr Ste 120
Cottage Grove, OR 974249700
(541) 767-5200
fax (541) 767-5292
Additional location
2830 Crescent Ave
Eugene, OR 974087397
(541) 686-9000
fax (541) 242-4585
Additional location
2846 Willamette St
Eugene, OR 974058200
(541) 222-8700
fax (541) 222-8701
Additional location
3299 Hilyard St
Eugene, OR 974053721
(541) 222-8620
fax (541) 222-8652
Additional location
35859 Highway 58
Pleasant Hill, OR 974559651
(541) 767-5200
fax (541) 937-1370

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
September 20, 2025
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Oregon #MD41141
Medicaid (3)
CA #XPY206324 · OR #278470 · WA #8465049

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407960388. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
117
Distinct HCPCS
3
Medicare allowed
$18,858
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 80 78 $167
99284 Emergency department visit with moderate level of medical decision making 23 23 $115
99291 Critical care, first 30-74 minutes 14 14 $203

In context: peer comparison

Among 6 peers in this city , average services per provider: 57. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
46
Patients
45
Total drug cost
$229
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 20 19 $88
Cephalexin Generic 15 15 $106
Ibuprofen Generic 11 11 $35

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Defreest's medical specialty?
Dr. Melissa Defreest practices Emergency Medicine Physician in Eugene, OR.
Where does Dr. Melissa Defreest practice?
Dr. Melissa Defreest practices at 600 Country Club RD Ste 100, Eugene, OR 974012240. Office phone: 5414632390.
What is Dr. Melissa Defreest's NPI?
Dr. Melissa Defreest's National Provider Identifier (NPI) is 1407960388, issued by NPPES.
Does Dr. Melissa Defreest accept Medicare assignment?
Yes. Dr. Melissa Defreest accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melissa Defreest commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.