Benson Njenga, MD
Internal Medicine Physician · Milford, MA
Benson Njenga, MD is an internal medicine physician with a practice address in Milford, Massachusetts, and NPI 1447645437, issued on Apr 6, 2015. Check the license (Massachusetts 277443, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Benson Njenga
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 277443 MA
Self-reported in NPPES; status is on the state search - Practice location
- 14 Prospect St, Milford, MA 01757
- Phone
- (508) 473-1190
- Enumerated
- Apr 6, 2015
- Record last updated
- Jul 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (508) 482-5416
- Medicare enrollment
- Enrolled (PECOS I20181217002199); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 14 Prospect St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maureen Allen, PA-CMedical Physician Assistant1306803275
- Nitya Ananthakrishnan, M.D.Pediatrics Physician1902190648
- Raafat Awad Mousad, M.D.Hospitalist Physician1760402556
- Ariel Axelbaum, MDNeurology Physician1629637988
- Michael Babcock, M.D.Anesthesiology Physician1134228018
- Monzolesso Bagah-Kognagba, MDInternal Medicine Physician1023515996
Verify Benson Njenga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 277443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
298 Medicare Part D claims for 144 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Cefpodoxime Proxetil26 claims
- Prednisone22 claims
- Eliquis19 claims
- Furosemide13 claims
- Amlodipine Besylate11 claims
- Doxycycline Monohydrate11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Milford Regional Physician Group, Inc.Milford, MA
- Umass Memorial Medical Group IncMilford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benson Njenga among 6,825 internal medicine physician records in Massachusetts
Benson Njenga, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2015 · median 2004 among the 4,103 with a school on file
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 internal medicine physician records list a practice address in Milford
They are 43 of the 3,459 NPPES records with a practice address in Milford, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Milford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Hesham Aboshady, M.D.Milford, MA 017571619081916
- David Carlson, M.D.Milford, MA 017571871695296
- Emmett Clemente, M.D.Milford, MA 017571699790709
- Faheem Farooq, MDMilford, MA 017571891722419
- Eugene Jagella, M.D.Milford, MA 017571992794549
- Michael Jolie, M.D.Milford, MA 017571760408827
- Joan Karl, M.D.Milford, MA 017571316943061
- Colleen Murphy, M.D.Milford, MA 017571942235098
Common questions
What is Benson Njenga, MD's NPI number?
Benson Njenga, MD's National Provider Identifier (NPI) is 1447645437, issued on Apr 6, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Benson Njenga, MD located?
The NPPES record lists a practice address at 14 Prospect St, Milford, MA, 01757. Phone: (508) 473-1190. Providers update this record themselves, so call before visiting.
How can I verify Benson Njenga, MD's license?
NPPES lists Massachusetts license number 277443, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Benson Njenga, MD prescribe under Medicare Part D?
In 2024, Benson Njenga, MD had 298 Medicare Part D claims for 144 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.