Doctor profile · Federal record
Dr. Colin O'Leary, MD
Internal Medicine Physician (CMS: Internal Medicine) · Boston, MA
- NPI 1588153456
- Accepts Medicare
- 8 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
55 Fruit St
Boston, MA 021142696
(617) 724-3874
Credentials & registration
- NPI registered
- May 2018 — 8 yrs on file
- Profile last updated
- June 17, 2022
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Massachusetts #291509
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588153456. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
409
Distinct HCPCS
6
Medicare allowed
$50,991
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 139 | 58 | $126 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 103 | 101 | $184 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 77 | 34 | $84 | |
99239 |
Hospital discharge day management, more than 30 minutes | 43 | 43 | $123 | |
99497 |
Advance care planning, first 30 minutes | 24 | 19 | $80 | |
G0316 |
Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th | 23 | 20 | $32 |
In context: peer comparison
Among 547 peers in this city , average services per provider: 81. This provider delivers 5.0× the peer median.Frequently asked questions
What is Dr. Colin O'Leary's medical specialty?
Dr. Colin O'Leary practices Internal Medicine Physician in Boston, MA.
Where does Dr. Colin O'Leary practice?
Dr. Colin O'Leary practices at 55 Fruit St, Boston, MA 021142696. Office phone: 6177243874.
What is Dr. Colin O'Leary's NPI?
Dr. Colin O'Leary's National Provider Identifier (NPI) is 1588153456, issued by NPPES.
Does Dr. Colin O'Leary accept Medicare assignment?
Yes. Dr. Colin O'Leary accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colin O'Leary commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.