Doctor profile · Federal record
Dr. Mary Keegan, APN
Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Ambulatory Care Registered Nurse · Nurse Practitioner · Acute Care Nurse Practitioner · Saint Louis, MO
- NPI 1336157213
- Accepts Medicare
- MIPS 79.1 / 100 · 2023
- 40 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3660 Vista Ave
Saint Louis, MO 631102540
(314) 977-6100
fax (314) 977-6137 - Additional location
-
130 Westmount Dr
Farmington, MO 636402970
(573) 756-1813 - Mailing address
-
3691 Rutger St, Provider Enrollment
Saint Louis, MO 631102515
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- September 22, 2023
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 363LA2200X — NUCC code
- State license (1)
- Missouri #082605
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336157213. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
25
Distinct HCPCS
2
Medicare allowed
$2,596
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 13 | 13 | $102 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 12 | 12 | $106 |
In context: peer comparison
Among 71 peers in Saint Louis Adult Health Nurse Practitioner, average services per provider: 155. This provider delivers 0.2× the peer median.Open Payments
Industry payments received
All-time total
$439
Transactions
24
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novartis Pharmaceuticals Corporation | 5 | $104.59 | |
| AstraZeneca Pharmaceuticals Lp | 5 | $88.77 | |
| Amgen INC. | 4 | $62.97 | |
| Janssen Pharmaceuticals, INC | 2 | $34.42 | |
| Lexicon Pharmaceuticals, INC. | 1 | $20.97 | |
| Sanofi-Aventis U.S. LLC | 1 | $20.86 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $20.57 | |
| Zoll Services LLC (A/K/A Zoll LifeCor Corp) | 1 | $20.46 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $19.31 | |
| Merck Sharp & Dohme LLC | 1 | $15.90 | |
| Pfizer INC. | 1 | $15.78 | |
| Scpharmaceuticals INC. | 1 | $14.20 |
By nature of payment
Frequently asked questions
What is Dr. Mary Keegan's medical specialty?
Dr. Mary Keegan practices Adult Health Nurse Practitioner in Saint Louis, MO.
Where does Dr. Mary Keegan practice?
Dr. Mary Keegan practices at 3660 Vista Ave, Saint Louis, MO 631102540. Office phone: 3149776100.
What is Dr. Mary Keegan's NPI?
Dr. Mary Keegan's National Provider Identifier (NPI) is 1336157213, issued by NPPES.
Does Dr. Mary Keegan accept Medicare assignment?
Yes. Dr. Mary Keegan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Keegan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.