Doctor profile · Federal record
Dr. Karen Austin, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Saint Louis, MO
- NPI 1649398926
- Accepts Medicare
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
621 S New Ballas RD, Suite 3016B
Saint Louis, MO 631418232
(314) 251-6339
fax (314) 251-4564
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- July 18, 2014
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Missouri #2007022714
- Medicaid
- MO #1649398926
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649398926. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
748
Distinct HCPCS
5
Medicare allowed
$77,636
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 383 | 168 | $78 | |
99239 |
Hospital discharge day management, more than 30 minutes | 124 | 122 | $113 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 120 | 78 | $118 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 91 | 91 | $172 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 30 | 30 | $129 |
In context: peer comparison
Among 216 peers in Saint Louis Internal Medicine Physician, average services per provider: 171. This provider delivers 4.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
72
Patients
59
Total drug cost
$706
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 18 | 18 | $121 |
| Oxycodone Hcl | Generic | 17 | 17 | $99 |
| Pantoprazole Sodium | Generic | 15 | 13 | $164 |
| Atorvastatin Calcium | Generic | 11 | 11 | $158 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 11 | 0 | $164 |
Hospital affiliations
Frequently asked questions
What is Dr. Karen Austin's medical specialty?
Dr. Karen Austin practices Internal Medicine Physician in Saint Louis, MO.
Where does Dr. Karen Austin practice?
Dr. Karen Austin practices at 621 S New Ballas RD, Saint Louis, MO 631418232. Office phone: 3142516339.
What is Dr. Karen Austin's NPI?
Dr. Karen Austin's National Provider Identifier (NPI) is 1649398926, issued by NPPES.
Does Dr. Karen Austin accept Medicare assignment?
Yes. Dr. Karen Austin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Austin commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.