Doctor profile · Federal record
Dr. Keith Flaherty, MD
Medical Oncology Physician (CMS: Medical Oncology) · Boston, MA
- NPI 1861422966
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
55 Fruit St, Lawrence House 202
Boston, MA 021142621
(617) 643-5817
fax (617) 724-3166 - Additional location
-
75 Francis St
Boston, MA 021156110
(617) 732-5500
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 1, 2026
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- Massachusetts #241789
- Medicaid
- MA #110082653A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861422966. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
72
Distinct HCPCS
2
Medicare allowed
$6,085
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 60 | 21 | $84 | |
99238 |
Hospital discharge day management, 30 minutes or less | 12 | 12 | $87 |
In context: peer comparison
Among 103 peers in this city , average services per provider: 67. This provider delivers 1.1× the peer median.Frequently asked questions
What is Dr. Keith Flaherty's medical specialty?
Dr. Keith Flaherty practices Medical Oncology Physician in Boston, MA.
Where does Dr. Keith Flaherty practice?
Dr. Keith Flaherty practices at 55 Fruit St, Boston, MA 021142621. Office phone: 6176435817.
What is Dr. Keith Flaherty's NPI?
Dr. Keith Flaherty's National Provider Identifier (NPI) is 1861422966, issued by NPPES.
Does Dr. Keith Flaherty accept Medicare assignment?
Yes. Dr. Keith Flaherty accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Keith Flaherty commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.