Doctor profile · Federal record

Dr. John Kuczynski, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Olympia, WA

  • NPI 1497897771
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
406A Black Hills Ln Sw
Olympia, WA 98502
(360) 754-1735
fax (360) 704-3404

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
March 27, 2012
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Washington #MD60202111 · Arizona #76493

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497897771. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,733
Distinct HCPCS
10
Medicare allowed
$195,217
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 497 372 $125
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 210 209 $247
99213 Established patient office or other outpatient visit, 20-29 minutes 198 183 $87
88305 Pathology examination of tissue using a microscope, intermediate complexity 168 60 $36
45380 Biopsy of large bowel using a flexible endoscope 136 135 $74
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 118 116 $73
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 100 100 $5
99204 New patient office or other outpatient visit, 45-59 minutes 79 79 $164
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 47 46 $133
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 38 20 $78

In context: peer comparison

Among 6 peers in Olympia Gastroenterology Physician, average services per provider: 67. This provider delivers 26× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,408
Patients
395
Total drug cost
$127,980
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 363 96 $8,276
Omeprazole Generic 352 115 $6,430
Famotidine Generic 173 51 $3,328
Dicyclomine Hcl Generic 94 36 $3,118
Linzess (Linaclotide) Brand 69 14 $57,540
Nortriptyline Hcl Generic 63 17 $1,603
Budesonide Dr (Budesonide) Brand 54 14 $8,215
Furosemide Generic 40 0 $217
Ondansetron Odt (Ondansetron) Brand 35 22 $2,067
Loperamide (Loperamide Hcl) Brand 34 13 $2,189

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Kuczynski's medical specialty?
Dr. John Kuczynski practices Gastroenterology Physician in Olympia, WA.
Where does Dr. John Kuczynski practice?
Dr. John Kuczynski practices at 406A Black Hills Ln Sw, Olympia, WA 98502. Office phone: 3607541735.
What is Dr. John Kuczynski's NPI?
Dr. John Kuczynski's National Provider Identifier (NPI) is 1497897771, issued by NPPES.
Does Dr. John Kuczynski accept Medicare assignment?
Yes. Dr. John Kuczynski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Kuczynski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.