Doctor profile · Federal record

Dr. Gregory Abel, MD

Hematology & Oncology Physician (CMS: Medical Oncology) · Boston, MA

  • NPI 1285611954
  • Accepts Medicare
  • MIPS 83.1 / 100 · 2023
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
450 Brookline Ave
Boston, MA 022155450
(617) 632-6140
fax (617) 632-5168

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
May 28, 2019
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Massachusetts #216926
Medicaid
MA #2006481

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285611954. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
270
Distinct HCPCS
4
Medicare allowed
$27,111
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 134 44 $104
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 83 30 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 41 17 $125
99238 Hospital discharge day management, 30 minutes or less 12 12 $87

In context: peer comparison

Among 64 peers in this city , average services per provider: 129. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
51
Patients
0
Total drug cost
$50,647
Drug Type Claims Patients Total cost
Imatinib Mesylate Generic 29 0 $49,768
Hydroxyurea Generic 22 0 $879

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Abel's medical specialty?
Dr. Gregory Abel practices Hematology & Oncology Physician in Boston, MA.
Where does Dr. Gregory Abel practice?
Dr. Gregory Abel practices at 450 Brookline Ave, Boston, MA 022155450. Office phone: 6176326140.
What is Dr. Gregory Abel's NPI?
Dr. Gregory Abel's National Provider Identifier (NPI) is 1285611954, issued by NPPES.
Does Dr. Gregory Abel accept Medicare assignment?
Yes. Dr. Gregory Abel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Abel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.