Doctor profile · Federal record
Dr. Milton Johnson, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Gastroenterology Physician · Portland, OR
- NPI 1811907306
- Accepts Medicare
- 40 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
10000 Se Main St Ste 112
Portland, OR 972162441
(503) 255-3054
fax (503) 255-7651 - Additional location
-
4800 Belfort RD
Jacksonville, FL 32256
(904) 398-7205
fax (904) 396-4047 - Additional location
-
855 N Westhaven Dr
Oshkosh, WI 549047668
(920) 303-8700
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- September 10, 2024
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (3)
- Oregon #CP204575 · Florida #ME65674 · Wisconsin #76094
- Medicaid (2)
- WI #100181212 · FL #010351500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811907306. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
106
Distinct HCPCS
4
Medicare allowed
$8,448
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 54 | 54 | $5 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 22 | 22 | $145 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 16 | 16 | $232 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 14 | 14 | $92 |
In context: peer comparison
Among 45 peers in Portland Gastroenterology Physician, average services per provider: 59. This provider delivers 1.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
85
Patients
85
Total drug cost
$1,757
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 37 | 37 | $789 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 34 | 34 | $668 |
| Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 14 | 14 | $300 |
Hospital affiliations
Frequently asked questions
What is Dr. Milton Johnson's medical specialty?
Dr. Milton Johnson practices Gastroenterology Physician in Portland, OR.
Where does Dr. Milton Johnson practice?
Dr. Milton Johnson practices at 10000 Se Main St Ste 112, Portland, OR 972162441. Office phone: 5032553054.
What is Dr. Milton Johnson's NPI?
Dr. Milton Johnson's National Provider Identifier (NPI) is 1811907306, issued by NPPES.
Does Dr. Milton Johnson accept Medicare assignment?
Yes. Dr. Milton Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Milton Johnson commonly perform?
Top Medicare-reported procedures in 2023: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.