Doctor profile · Federal record

Dr. Mehmet Demirhan, MD

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

  • NPI 1619504719
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
375 Longwood Ave
Boston, MA 022155395
(617) 632-9755

Credentials & registration

NPPES · NUCC
NPI registered
March 2020 — 6 yrs on file
Profile last updated
June 29, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Massachusetts #1016140

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619504719. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
614
Distinct HCPCS
4
Medicare allowed
$71,474
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 395 164 $120
99239 Hospital discharge day management, more than 30 minutes 119 119 $116
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 76 38 $80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 24 24 $176

In context: peer comparison

Among 48 peers in this city , average services per provider: 84. This provider delivers 7.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
41
Patients
13
Total drug cost
$571
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 19 13 $270
Clopidogrel (Clopidogrel Bisulfate) Brand 11 0 $92
Metoprolol Succinate Generic 11 0 $209

Frequently asked questions

Auto-generated from federal data
What is Dr. Mehmet Demirhan's medical specialty?
Dr. Mehmet Demirhan practices Hospitalist Physician in Boston, MA.
Where does Dr. Mehmet Demirhan practice?
Dr. Mehmet Demirhan practices at 375 Longwood Ave, Boston, MA 022155395. Office phone: 6176329755.
What is Dr. Mehmet Demirhan's NPI?
Dr. Mehmet Demirhan's National Provider Identifier (NPI) is 1619504719, issued by NPPES.
Does Dr. Mehmet Demirhan accept Medicare assignment?
Dr. Mehmet Demirhan does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Mehmet Demirhan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.