Doctor profile · Federal record

Dr. Benson Njenga, MD

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

  • NPI 1447645437
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14 Prospect St
Milford, MA 017573003
(508) 473-1190
fax (508) 482-5416
Mailing address
9 Industrial RD Ste 5
Milford, MA 017573736

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
July 22, 2021
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #277443

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447645437. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
912
Distinct HCPCS
6
Medicare allowed
$110,289
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 531 217 $119
99239 Hospital discharge day management, more than 30 minutes 132 130 $116
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 118 78 $80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 81 81 $175
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 31 31 $131
99291 Critical care, first 30-74 minutes 19 14 $214

In context: peer comparison

Among 17 peers in this city , average services per provider: 135. This provider delivers 6.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
48
Patients
46
Total drug cost
$587
Drug Type Claims Patients Total cost
Cefpodoxime Proxetil Generic 17 17 $423
Prednisone Generic 16 15 $42
Doxycycline Monohydrate Generic 15 14 $123

Frequently asked questions

Auto-generated from federal data
What is Dr. Benson Njenga's medical specialty?
Dr. Benson Njenga practices Internal Medicine Physician in Milford, MA.
Where does Dr. Benson Njenga practice?
Dr. Benson Njenga practices at 14 Prospect St, Milford, MA 017573003. Office phone: 5084731190.
What is Dr. Benson Njenga's NPI?
Dr. Benson Njenga's National Provider Identifier (NPI) is 1447645437, issued by NPPES.
Does Dr. Benson Njenga accept Medicare assignment?
Yes. Dr. Benson Njenga accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benson Njenga 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.