Doctor profile · Federal record

Dr. William Goldkamp, MD

Gastroenterology Physician (CMS: Gastroenterology) · Saint Louis, MO

  • NPI 1831458652
  • Accepts Medicare
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
615 S New Ballas RD Ste 1200
Saint Louis, MO 63141
(314) 251-2880
Additional location
200 Brevco Plz Ste 208
Lake St Louis, MO 633672950
(636) 561-9020
Additional location
3635 Vista Ave
Saint Louis, MO 631102539
(314) 577-8764

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
August 1, 2019
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Missouri #2019024473

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831458652. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
445
Distinct HCPCS
10
Medicare allowed
$61,532
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 76 76 $244
99214 Established patient office or other outpatient visit, 30-39 minutes 68 63 $123
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 48 47 $249
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 45 43 $60
45380 Biopsy of large bowel using a flexible endoscope 44 44 $61
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 37 37 $129
99213 Established patient office or other outpatient visit, 20-29 minutes 28 28 $89
99215 Established patient office or other outpatient visit, 40-54 minutes 23 22 $172
45380 Biopsy of large bowel using a flexible endoscope 21 21 $59
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 20 20 $78

In context: peer comparison

Among 42 peers in this city , average services per provider: 60. This provider delivers 7.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $13.93

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,098
Patients
516
Total drug cost
$139,021
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 262 91 $3,784
Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 242 239 $4,068
Omeprazole Generic 142 48 $2,270
Linzess (Linaclotide) Brand 103 21 $68,644
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 48 48 $725
Nortriptyline Hcl Generic 46 12 $848
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 46 46 $875
Famotidine Generic 45 0 $913
Mesalamine Generic 34 0 $18,339
Dicyclomine Hcl Generic 31 11 $710

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Goldkamp's medical specialty?
Dr. William Goldkamp practices Gastroenterology Physician in Saint Louis, MO.
Where does Dr. William Goldkamp practice?
Dr. William Goldkamp practices at 615 S New Ballas RD Ste 1200, Saint Louis, MO 63141. Office phone: 3142512880.
What is Dr. William Goldkamp's NPI?
Dr. William Goldkamp's National Provider Identifier (NPI) is 1831458652, issued by NPPES.
Does Dr. William Goldkamp accept Medicare assignment?
Yes. Dr. William Goldkamp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Goldkamp commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); 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). Source: CMS Medicare Physician & Other Practitioners file.