Doctor profile · Federal record

Dr. Nicholas Welko, MD

Surgery Physician (CMS: General Surgery) · Surgical Critical Care Physician · Critical Care Medicine (Anesthesiology) Physician · Saint Louis, MO

  • NPI 1649711888
  • Accepts Medicare
  • MIPS 79.3 / 100 · 2023
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Barnes Jewish Hospital Plz, Div Surg Accs
Saint Louis, MO 631101003
(314) 362-5298
fax (888) 824-2176
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
April 17, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Missouri #2022032220
Medicaid
MO #200114754

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649711888. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
92
Distinct HCPCS
3
Medicare allowed
$8,195
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 55 30 $48
99291 Critical care, first 30-74 minutes 20 14 $208
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 17 17 $81

In context: peer comparison

Among 41 peers in Saint Louis Surgery Physician, average services per provider: 37. This provider delivers 2.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$162
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Prytime Medical Devices, INC. 1 $84.81
Hydrofera LLC 2 $40.28
Takeda Pharmaceuticals U.S.A., INC. 1 $23.09
Teleflex LLC 1 $13.88

By nature of payment

Food and Beverage
$162

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Welko's medical specialty?
Dr. Nicholas Welko practices Surgery Physician in Saint Louis, MO.
Where does Dr. Nicholas Welko practice?
Dr. Nicholas Welko practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143625298.
What is Dr. Nicholas Welko's NPI?
Dr. Nicholas Welko's National Provider Identifier (NPI) is 1649711888, issued by NPPES.
Does Dr. Nicholas Welko accept Medicare assignment?
Yes. Dr. Nicholas Welko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Welko commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Critical care (HCPCS 99291); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221). Source: CMS Medicare Physician & Other Practitioners file.