Doctor profile · Federal record

Dr. Willscott Naugler, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Gastroenterology Physician · Gastroenterology Physician · Hepatology Physician · Portland, OR

  • NPI 1689698342
  • Accepts Medicare
  • 30 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3181 Sw Sam Jackson Park RD, Mail Code L461
Portland, OR 972393011
(503) 494-7137

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 7, 2019
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (3)
Oregon #MD23303 · California #A83543 · West Virginia #26963

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689698342. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
188
Distinct HCPCS
8
Medicare allowed
$24,701
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 36 34 $101
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 31 31 $99
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 29 29 $246
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 23 23 $92
99443 Telephone medical discussion with physician, 21-30 minutes 21 20 $99
45380 Biopsy of large bowel using a flexible endoscope 18 18 $129
99205 New patient office or other outpatient visit, 60-74 minutes 16 16 $184
99214 Established patient office or other outpatient visit, 30-39 minutes 14 14 $99

In context: peer comparison

Among 45 peers in Portland Gastroenterology Physician, average services per provider: 59. This provider delivers 3.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,066
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 2 $1,477.19
Cook Incorporated 1 $570.00
Astellas Pharma US INC 1 $18.69

By nature of payment

Consulting Fee
$1,913
Food and Beverage
$153

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
582
Patients
129
Total drug cost
$199,258
Drug Type Claims Patients Total cost
Tacrolimus Generic 108 31 $24,806
Spironolactone Generic 51 15 $596
Furosemide Generic 49 14 $329
Peg-3350 and Electrolytes (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 44 44 $1,202
Omeprazole Generic 42 12 $858
Entecavir Generic 35 0 $7,341
Prednisone Generic 35 13 $351
Ursodiol Generic 34 0 $7,350
Mycophenolate Mofetil Generic 33 0 $5,239
Sirolimus Generic 33 0 $27,718

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Willscott Naugler's medical specialty?
Dr. Willscott Naugler practices Gastroenterology Physician in Portland, OR.
Where does Dr. Willscott Naugler practice?
Dr. Willscott Naugler practices at 3181 Sw Sam Jackson Park RD, Portland, OR 972393011. Office phone: 5034947137.
What is Dr. Willscott Naugler's NPI?
Dr. Willscott Naugler's National Provider Identifier (NPI) is 1689698342, issued by NPPES.
Does Dr. Willscott Naugler accept Medicare assignment?
Yes. Dr. Willscott Naugler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Willscott Naugler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.