Njambi Wanjiru Mathenge, M.D.
Cardiovascular Disease Physician · Lebanon, NH
Njambi Wanjiru Mathenge, M.D. is a cardiovascular disease physician with a practice address in Lebanon, New Hampshire, and NPI 1285053488, issued on Apr 15, 2014. Check the license (New Hampshire 33764, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Njambi Wanjiru Mathenge
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 33764 NH
Self-reported in NPPES; status is on the state search - Practice location
- 1 Medical Center Dr, Lebanon, NH 03756
- Phone
- (603) 650-5000
- Enumerated
- Apr 15, 2014
- Record last updated
- Dec 15, 2025
- Fax
- (603) 640-1228
- Medicare enrollment
- Enrolled (PECOS I20241029000494); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 152 in New Hampshire → Look up another NPI →
Also registered at 1 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Abbate, NPFamily Nurse Practitioner1669683637
- McCall Abbott, APRNFamily Nurse Practitioner1396292454
- Lauren AbbuhlStudent in an Organized Health Care Education/Training Program1760322986
- William Abdu, M.D.Orthopaedic Surgery of the Spine Physician1134162324
- Iryna Aberkorn, MDFamily Medicine Physician1780846071
- Majd Aboul Hosn, MDStudent in an Organized Health Care Education/Training Program1932901949
Verify Njambi Wanjiru Mathenge in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 33764Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
79 Medicare Part D claims for 34 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Most prescribed
- Clopidogrel28 claims
- Isosorbide Mononitrate Er16 claims
- Amlodipine Besylate12 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.
Industry payments in 2024: $1,120.87
12 payments; by number, the most common kind was food and beverage; the largest payer was Teleflex LLC. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospitals3 of 5 stars
- Dartmouth-Hitchcock ClinicLebanon, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Njambi Wanjiru Mathenge among 152 cardiovascular disease physician records in New Hampshire
Njambi Wanjiru Mathenge, M.D. is one of 152 cardiovascular disease physician records with a practice address in New Hampshire. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 82% of them.
- NPI issued2014 · 82% of these records are older, 16% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2018 · median 2006 among the 113 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
55 cardiovascular disease physician records list a practice address in Lebanon
They are 55 of the 3,530 NPPES records with a practice address in Lebanon, and 152 cardiovascular disease physician records in New Hampshire.
All 152 in New Hampshire → Every provider in Lebanon → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Bruce Andrus, M.D.Lebanon, NH 037561760426951
- Edward Catherwood, M.D.Lebanon, NH 037561477504041
- Salvatore Costa, M.D.Lebanon, NH 037561194761437
- Ian Gilchrist, MDLebanon, NH 037561306804943
- Douglas James, MDLebanon, NH 037561417981044
- Kevin Kwaku, M.D., PH.D.Lebanon, NH 037561619956968
- David Malenka, M.D.Lebanon, NH 037561932149200
- Merle Myerson, MDLebanon, NH 037561801845359
Common questions
What is Njambi Wanjiru Mathenge, M.D.'s NPI number?
Njambi Wanjiru Mathenge, M.D.'s National Provider Identifier (NPI) is 1285053488, issued on Apr 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Njambi Wanjiru Mathenge, M.D. located?
The NPPES record lists a practice address at 1 Medical Center Dr, Lebanon, NH, 03756. Phone: (603) 650-5000. Providers update this record themselves, so call before visiting.
How can I verify Njambi Wanjiru Mathenge, M.D.'s license?
NPPES lists New Hampshire license number 33764, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Njambi Wanjiru Mathenge, M.D. prescribe under Medicare Part D?
In 2024, Njambi Wanjiru Mathenge, M.D. had 79 Medicare Part D claims for 34 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.