Doctor profile · Federal record

Dr. Mary Elizabeth Hamel, M.D.

Internal Medicine Physician · Boston, MA

  • NPI 1821020355
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Health Care Associates, 330 Brookline Avenue
Boston, MA 02215
(617) 667-2700
Mailing address
142 Hillcrest RD
Needham, MA 024923919

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #74251

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821020355. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
68
Distinct HCPCS
3
Medicare allowed
$7,669
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 32 26 $104
99215 Established patient office or other outpatient visit, 40-54 minutes 22 15 $153
99213 Established patient office or other outpatient visit, 20-29 minutes 14 13 $70

In context: peer comparison

Among 547 peers in Boston Internal Medicine Physician, average services per provider: 81. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
487
Patients
89
Total drug cost
$33,982
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 107 32 $2,971
Lisinopril Generic 46 18 $724
Losartan Potassium Generic 42 14 $759
Hydrochlorothiazide Generic 35 13 $157
Omeprazole Generic 35 0 $800
Metoprolol Succinate Generic 32 0 $1,059
Amlodipine Besylate Generic 31 12 $449
Atenolol Generic 31 0 $439
Levothyroxine Sodium Generic 22 0 $316
Simvastatin Generic 21 0 $204

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Elizabeth Hamel's medical specialty?
Dr. Mary Elizabeth Hamel practices Internal Medicine Physician in Boston, MA.
Where does Dr. Mary Elizabeth Hamel practice?
Dr. Mary Elizabeth Hamel practices at Health Care Associates, Boston, MA 02215. Office phone: 6176672700.
What is Dr. Mary Elizabeth Hamel's NPI?
Dr. Mary Elizabeth Hamel's National Provider Identifier (NPI) is 1821020355, issued by NPPES.
What procedures does Dr. Mary Elizabeth Hamel 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 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.