Doctor profile · Federal record

Dr. Ronald Vallejo, M.D.

Emergency Medicine Physician (CMS: Internal Medicine) · Corvallis, OR

  • NPI 1255381422
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3680 Nw Samaritan Dr
Corvallis, OR 973303737
(541) 754-1150
Mailing address
444 Nw Elks Dr
Corvallis, OR 973303745

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 5, 2009
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Oregon #MD25582
Medicaid
OR #022885

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255381422. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
142
Distinct HCPCS
6
Medicare allowed
$9,389
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 73 68 $94
71046 X-ray of chest, 2 views 16 16 $26
81001 Manual urinalysis test with examination using microscope, automated 16 16 $3
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 14 14 $51
87086 Bacterial colony count, urine 12 12 $8
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $116

In context: peer comparison

Among 6 peers in Corvallis Emergency Medicine Physician, average services per provider: 68. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
288
Patients
270
Total drug cost
$2,882
Drug Type Claims Patients Total cost
Prednisone Generic 52 52 $228
Azithromycin Generic 44 39 $209
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 37 37 $417
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 37 37 $647
Cephalexin Generic 22 22 $182
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 20 19 $152
Ciprofloxacin Hcl Generic 19 19 $137
Doxycycline Monohydrate Generic 17 17 $303
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 16 15 $171
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 13 $329

Frequently asked questions

Auto-generated from federal data
What is Dr. Ronald Vallejo's medical specialty?
Dr. Ronald Vallejo practices Emergency Medicine Physician in Corvallis, OR.
Where does Dr. Ronald Vallejo practice?
Dr. Ronald Vallejo practices at 3680 Nw Samaritan Dr, Corvallis, OR 973303737. Office phone: 5417541150.
What is Dr. Ronald Vallejo's NPI?
Dr. Ronald Vallejo's National Provider Identifier (NPI) is 1255381422, issued by NPPES.
Does Dr. Ronald Vallejo accept Medicare assignment?
Yes. Dr. Ronald Vallejo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ronald Vallejo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); X-ray of chest, 2 views (HCPCS 71046); Manual urinalysis test with examination using microscope, automated (HCPCS 81001). Source: CMS Medicare Physician & Other Practitioners file.