Doctor profile · Federal record

Dr. Nicholas Davidson, MD

Gastroenterology Physician · Saint Louis, MO

  • NPI 1659397958
  • MIPS 79.3 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4921 Parkview Pl, Div Im Gastroenterology, Ste 12B
Saint Louis, MO 631101032
(314) 747-2066
fax (314) 747-7111
Mailing address
Po Box 7412011
Chicago, IL 606742011

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 17, 2025
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Missouri #117889
Medicaid
MO #203937503

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659397958. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
27
Distinct HCPCS
1
Medicare allowed
$3,483
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 27 27 $129

In context: peer comparison

Among 42 peers in Saint Louis Gastroenterology Physician, average services per provider: 60. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alkermes, INC. 1 $22.07

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
52
Patients
33
Total drug cost
$890
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 33 33 $594
Omeprazole Generic 19 0 $296

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Davidson's medical specialty?
Dr. Nicholas Davidson practices Gastroenterology Physician in Saint Louis, MO.
Where does Dr. Nicholas Davidson practice?
Dr. Nicholas Davidson practices at 4921 Parkview Pl, Saint Louis, MO 631101032. Office phone: 3147472066.
What is Dr. Nicholas Davidson's NPI?
Dr. Nicholas Davidson's National Provider Identifier (NPI) is 1659397958, issued by NPPES.
What procedures does Dr. Nicholas Davidson commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.