Doctor profile · Federal record
Dr. Gerald Duffy
Medical Physician Assistant (CMS: Physician Assistant) · Boston, MA
- NPI 1861943367
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Fruit St
Boston, MA 021142621
(617) 726-2000 - Mailing address
-
24 Norman St, Apt 106
Salem, MA 019703360
Credentials & registration
- NPI registered
- October 2016 — 10 yrs on file
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 363AM0700X — NUCC code
- State license (1)
- Massachusetts #PA5948
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861943367. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
166
Distinct HCPCS
3
Medicare allowed
$17,601
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 126 | 58 | $107 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 23 | 16 | $71 | |
99235 |
Initial hospital care with same-day admission and discharge with moderate level of medical decision making, per day, if using time, at least 70 minutes | 17 | 17 | $143 |
In context: peer comparison
Among 18 peers in Boston Medical Physician Assistant, average services per provider: 43. This provider delivers 3.9× the peer median.Frequently asked questions
What is Dr. Gerald Duffy's medical specialty?
Dr. Gerald Duffy practices Medical Physician Assistant in Boston, MA.
Where does Dr. Gerald Duffy practice?
Dr. Gerald Duffy practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6177262000.
What is Dr. Gerald Duffy's NPI?
Dr. Gerald Duffy's National Provider Identifier (NPI) is 1861943367, issued by NPPES.
Does Dr. Gerald Duffy accept Medicare assignment?
Yes. Dr. Gerald Duffy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gerald Duffy 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); Initial hospital care with same-day admission and discharge with moderate level of medical decision making (HCPCS 99235). Source: CMS Medicare Physician & Other Practitioners file.