Doctor profile · Federal record
Dr. Mary Gamache, M.D.
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Nuclear Cardiology Physician · Saint Louis, MO
- NPI 1639176860
- Accepts Medicare
- 41 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
450 N New Ballas RD, Suite 170
Saint Louis, MO 631416835
(314) 993-6969
fax (314) 993-0792
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- June 10, 2011
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Missouri #R6H99
- Medicaid
- MO #203017025
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639176860. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,140
Distinct HCPCS
7
Medicare allowed
$98,987
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 458 | 226 | $78 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 316 | 198 | $49 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 257 | 245 | $129 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 54 | 53 | $172 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 21 | 21 | $82 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 18 | 17 | $97 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 16 | 13 | $118 |
In context: peer comparison
Among 60 peers in this city , average services per provider: 118. This provider delivers 9.7× the peer median.Open Payments
Industry payments received
All-time total
$15
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen Inc. | 1 | $14.98 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Mary Gamache's medical specialty?
Dr. Mary Gamache practices Cardiovascular Disease Physician in Saint Louis, MO.
Where does Dr. Mary Gamache practice?
Dr. Mary Gamache practices at 450 N New Ballas RD, Saint Louis, MO 631416835. Office phone: 3149936969.
What is Dr. Mary Gamache's NPI?
Dr. Mary Gamache's National Provider Identifier (NPI) is 1639176860, issued by NPPES.
Does Dr. Mary Gamache accept Medicare assignment?
Yes. Dr. Mary Gamache accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Gamache commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.