Doctor profile · Federal record
Dr. Jeffrey Clark, MD
Medical Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Boston, MA
- NPI 1710951751
- Accepts Medicare
- 48 yrs in practice
- Male
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
55 Fruit St, Hematology Oncology Yaw 7
Boston, MA 02114
(617) 724-4000
fax (617) 726-0452 - Additional location
-
75 Francis St
Boston, MA 021156106
(617) 732-5500 - Mailing address
-
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- February 3, 2026
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- Massachusetts #80647
- Medicaid
- MA #3135420
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1710951751. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
827
Distinct HCPCS
7
Medicare allowed
$77,325
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 400 | 146 | $103 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 223 | 126 | $70 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 75 | 48 | $103 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 49 | 25 | $84 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 35 | 35 | $153 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 23 | 13 | $53 | |
99238 |
Hospital discharge day management, 30 minutes or less | 22 | 22 | $87 |
In context: peer comparison
Among 103 peers in this city , average services per provider: 67. This provider delivers 12× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
62
Patients
24
Total drug cost
$3,268
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 29 | 11 | $178 |
| Ondansetron Hcl | Generic | 22 | 13 | $106 |
| Imatinib Mesylate | Generic | 11 | 0 | $2,984 |
Hospital affiliations
Frequently asked questions
What is Dr. Jeffrey Clark's medical specialty?
Dr. Jeffrey Clark practices Medical Oncology Physician in Boston, MA.
Where does Dr. Jeffrey Clark practice?
Dr. Jeffrey Clark practices at 55 Fruit St, Boston, MA 02114. Office phone: 6177244000.
What is Dr. Jeffrey Clark's NPI?
Dr. Jeffrey Clark's National Provider Identifier (NPI) is 1710951751, issued by NPPES.
Does Dr. Jeffrey Clark accept Medicare assignment?
Yes. Dr. Jeffrey Clark accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Clark commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.