Doctor profile · Federal record
Dr. Margaret McNairy, MD
Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Saint Louis, MO
- NPI 1003033184
- Accepts Medicare
- MIPS 93.4 / 100 · 2023
- 21 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Barnes Jewish Hospital Plz, Div Im Hospitalist
Saint Louis, MO 631101003
(314) 362-1700
fax (314) 362-9878 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- December 29, 2025
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Missouri #2025051392
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003033184. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
109
Distinct HCPCS
2
Medicare allowed
$13,369
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 78 | 28 | $136 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 31 | 23 | $90 |
In context: peer comparison
Among 109 peers in Saint Louis Hospitalist Physician, average services per provider: 96. This provider delivers 1.1× the peer median.Frequently asked questions
What is Dr. Margaret McNairy's medical specialty?
Dr. Margaret McNairy practices Hospitalist Physician in Saint Louis, MO.
Where does Dr. Margaret McNairy practice?
Dr. Margaret McNairy practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143621700.
What is Dr. Margaret McNairy's NPI?
Dr. Margaret McNairy's National Provider Identifier (NPI) is 1003033184, issued by NPPES.
Does Dr. Margaret McNairy accept Medicare assignment?
Yes. Dr. Margaret McNairy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret McNairy commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.