Doctor profile · Federal record
Dr. Mary Marschner, M.D.
Internal Medicine Physician · General Acute Care Hospital · Nashville, TN
- NPI 1801279476
- 11 yrs on file
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3601 the Vanderbilt Clinic
Nashville, TN 372325502
(615) 322-3000 - Additional location
-
330 Mount Auburn St
Cambridge, MA 021385502
(617) 499-5571 - Mailing address
-
3841 Green Hills Village Dr
Nashville, TN 372152691
Credentials & registration
- NPI registered
- July 2015 — 11 yrs on file
- Profile last updated
- October 26, 2023
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Tennessee #68912 · Massachusetts #042103606
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801279476. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
122
Distinct HCPCS
2
Medicare allowed
$14,198
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 81 | 78 | $138 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 41 | 14 | $74 |
In context: peer comparison
Among 168 peers in this city , average services per provider: 100. This provider delivers 1.2× the peer median.Frequently asked questions
What is Dr. Mary Marschner's medical specialty?
Dr. Mary Marschner practices Internal Medicine Physician in Nashville, TN.
Where does Dr. Mary Marschner practice?
Dr. Mary Marschner practices at 3601 the Vanderbilt Clinic, Nashville, TN 372325502. Office phone: 6153223000.
What is Dr. Mary Marschner's NPI?
Dr. Mary Marschner's National Provider Identifier (NPI) is 1801279476, issued by NPPES.
What procedures does Dr. Mary Marschner commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.