Doctor profile · Federal record

Dr. Diego Muilenburg, M.D.

Surgery Physician (CMS: General Surgery) · Surgical Oncology Physician · Surgical Oncology Physician · Springfield, OR

  • NPI 1295716926
  • Accepts Medicare
  • 21 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
Peacehealth Surgical Specialities, 3355 Riverbend Dr., Suite 300
Springfield, OR 974778800
(541) 222-8333
fax (541) 222-8320
Additional location
3377 Riverbend Dr Ste 230
Springfield, OR 974778806
(541) 222-2700
fax (541) 222-6113

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
February 28, 2024
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
Oregon #MD166758 · Arizona #53543
Medicaid
OR #500675780

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295716926. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
99
Distinct HCPCS
6
Medicare allowed
$13,833
HCPCS Description Services Patients Avg allowed
99205 New patient office or other outpatient visit, 60-74 minutes 19 19 $201
99213 Established patient office or other outpatient visit, 20-29 minutes 19 19 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 19 15 $123
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $155
99203 New patient office or other outpatient visit, 30-44 minutes 13 13 $107
99215 Established patient office or other outpatient visit, 40-54 minutes 11 11 $172

In context: peer comparison

Among 4 peers in this city , average services per provider: 22. This provider delivers 4.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,526
Transactions
11
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
INTUITIVE SURGICAL, INC. 11 $4,526.29

By nature of payment

Education
$4,150
Food and Beverage
$376

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
161
Patients
144
Total drug cost
$1,418
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 57 55 $234
Metronidazole Generic 21 21 $41
Promethazine Hcl Generic 19 18 $22
Doxycycline Monohydrate Generic 17 17 $54
Tramadol Hcl Generic 13 0 $68
Ibuprofen Generic 12 11 $64
Ondansetron Odt (Ondansetron) Brand 11 11 $103
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 11 11 $833

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Diego Muilenburg's medical specialty?
Dr. Diego Muilenburg practices Surgery Physician in Springfield, OR.
Where does Dr. Diego Muilenburg practice?
Dr. Diego Muilenburg practices at Peacehealth Surgical Specialities, Springfield, OR 974778800. Office phone: 5412228333.
What is Dr. Diego Muilenburg's NPI?
Dr. Diego Muilenburg's National Provider Identifier (NPI) is 1295716926, issued by NPPES.
Does Dr. Diego Muilenburg accept Medicare assignment?
Yes. Dr. Diego Muilenburg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diego Muilenburg commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.