Doctor profile · Federal record
Dr. Nongnooch Poowanawittayakom, MD
Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Saint Louis, MO
- NPI 1326302761
- Accepts Medicare
- 18 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Barnes Jewish Hospital Plz, Div Im Infectious Disease
Saint Louis, MO 631101003
(314) 454-8354
fax (314) 454-8687 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- June 2012 — 14 yrs on file
- Profile last updated
- April 17, 2025
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- Missouri #2020027570
- Medicaid
- MO #200089016
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326302761. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
150
Distinct HCPCS
3
Medicare allowed
$20,653
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 78 | 51 | $116 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 59 | 54 | $169 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 13 | $127 |
In context: peer comparison
Among 28 peers in Saint Louis Infectious Disease Physician, average services per provider: 96. This provider delivers 1.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
107
Patients
0
Total drug cost
$89,773
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 25 | 0 | $579 |
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 22 | 0 | $81,710 |
| Cefazolin Sodium | Generic | 19 | 0 | $1,481 |
| Ceftriaxone (Ceftriaxone Sodium) | Brand | 17 | 0 | $796 |
| Cefepime Hcl | Generic | 13 | 0 | $4,662 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 11 | 0 | $545 |
Hospital affiliations
Frequently asked questions
What is Dr. Nongnooch Poowanawittayakom's medical specialty?
Dr. Nongnooch Poowanawittayakom practices Infectious Disease Physician in Saint Louis, MO.
Where does Dr. Nongnooch Poowanawittayakom practice?
Dr. Nongnooch Poowanawittayakom practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3144548354.
What is Dr. Nongnooch Poowanawittayakom's NPI?
Dr. Nongnooch Poowanawittayakom's National Provider Identifier (NPI) is 1326302761, issued by NPPES.
Does Dr. Nongnooch Poowanawittayakom accept Medicare assignment?
Yes. Dr. Nongnooch Poowanawittayakom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nongnooch Poowanawittayakom commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.