Doctor profile · Federal record
Dr. Mary Thorndike, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Boston, MA
- NPI 1255472031
- Accepts Medicare
- 22 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
75 Francis St
Boston, MA 021156110
(617) 732-5845
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- September 15, 2020
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #221487
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255472031. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
710
Distinct HCPCS
5
Medicare allowed
$88,729
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 540 | 186 | $126 | |
99238 |
Hospital discharge day management, 30 minutes or less | 56 | 56 | $87 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 50 | 49 | $183 | |
99239 |
Hospital discharge day management, more than 30 minutes | 35 | 35 | $123 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 29 | 16 | $84 |
In context: peer comparison
Among 547 peers in this city , average services per provider: 81. This provider delivers 8.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Mary Thorndike's medical specialty?
Dr. Mary Thorndike practices Internal Medicine Physician in Boston, MA.
Where does Dr. Mary Thorndike practice?
Dr. Mary Thorndike practices at 75 Francis St, Boston, MA 021156110. Office phone: 6177325845.
What is Dr. Mary Thorndike's NPI?
Dr. Mary Thorndike's National Provider Identifier (NPI) is 1255472031, issued by NPPES.
Does Dr. Mary Thorndike accept Medicare assignment?
Yes. Dr. Mary Thorndike accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Thorndike commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99238); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.