Doctor profile · Federal record

Dr. Dineli Ahearn, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Boston, MA

  • NPI 1528015922
  • Accepts Medicare
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 Washington St
Boston, MA 021111552
(617) 636-5000

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 23, 2012
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #151307

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528015922. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
481
Distinct HCPCS
5
Medicare allowed
$54,493
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 185 135 $153
99214 Established patient office or other outpatient visit, 30-39 minutes 130 106 $104
99213 Established patient office or other outpatient visit, 20-29 minutes 94 83 $70
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 59 15 $84
99238 Hospital discharge day management, 30 minutes or less 13 13 $87

In context: peer comparison

Among 547 peers in Boston Internal Medicine Physician, average services per provider: 81. This provider delivers 5.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,383
Patients
589
Total drug cost
$139,131
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 377 101 $8,436
Lisinopril Generic 264 68 $3,002
Amlodipine Besylate Generic 232 57 $2,616
Omeprazole Generic 212 51 $4,788
Levothyroxine Sodium Generic 169 33 $1,892
Gabapentin Generic 156 29 $2,588
Metoprolol Succinate Generic 142 43 $3,073
Rosuvastatin Calcium Generic 134 41 $4,879
Losartan Potassium Generic 119 32 $1,729
Sertraline Hcl Generic 109 17 $1,204

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dineli Ahearn's medical specialty?
Dr. Dineli Ahearn practices Internal Medicine Physician in Boston, MA.
Where does Dr. Dineli Ahearn practice?
Dr. Dineli Ahearn practices at 800 Washington St, Boston, MA 021111552. Office phone: 6176365000.
What is Dr. Dineli Ahearn's NPI?
Dr. Dineli Ahearn's National Provider Identifier (NPI) is 1528015922, issued by NPPES.
Does Dr. Dineli Ahearn accept Medicare assignment?
Yes. Dr. Dineli Ahearn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dineli Ahearn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.