Doctor profile · Federal record

Dr. Christopher Nguyen, DO

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Saint Louis, MO

  • NPI 1649833237
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 7 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1008 S Spring Ave
Saint Louis, MO 631102520
(314) 977-2140

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
June 19, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Missouri #2023019628 · Texas #T6979

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649833237. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
122
Distinct HCPCS
4
Medicare allowed
$10,846
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 67 17 $78
99214 Established patient office or other outpatient visit, 30-39 minutes 22 19 $97
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 17 17 $129
99238 Hospital discharge day management, 30 minutes or less 16 16 $80

In context: peer comparison

Among 109 peers in Saint Louis Hospitalist Physician, average services per provider: 96. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$511
Transactions
6
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $121.39
Phathom Pharmaceuticals, INC. 1 $116.31
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 1 $85.63
Mallinckrodt Hospital Products INC. 1 $84.70
Janssen Biotech, INC. 1 $79.99
Inspire Medical Systems, INC. 1 $22.85

By nature of payment

Food and Beverage
$431
Education
$80

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
59
Patients
11
Total drug cost
$932
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 19 0 $266
Atorvastatin Calcium Generic 16 11 $295
Levothyroxine Sodium Generic 13 0 $202
Metoprolol Succinate Generic 11 0 $168

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Nguyen's medical specialty?
Dr. Christopher Nguyen practices Hospitalist Physician in Saint Louis, MO.
Where does Dr. Christopher Nguyen practice?
Dr. Christopher Nguyen practices at 1008 S Spring Ave, Saint Louis, MO 631102520. Office phone: 3149772140.
What is Dr. Christopher Nguyen's NPI?
Dr. Christopher Nguyen's National Provider Identifier (NPI) is 1649833237, issued by NPPES.
Does Dr. Christopher Nguyen accept Medicare assignment?
Yes. Dr. Christopher Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.