Arjun Fung-Janardhan
Internal Medicine Physician · Plainsboro, NJ
Arjun Fung-Janardhan is an internal medicine physician with a practice address in Plainsboro, New Jersey, and NPI 1083174809, issued on Mar 20, 2019. Check the license (New Jersey 25MA12190100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Arjun Fung-Janardhan
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA12190100 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1 Plainsboro RD, Plainsboro, NJ 08536
- Phone
- (609) 853-6049
- Enumerated
- Mar 20, 2019
- Record last updated
- May 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20240522000631); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 1 Plainsboro RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Arjun Fung-Janardhan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA12190100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
174 Medicare Part D claims for 86 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 12 claims were for opioids.
Most prescribed
- Prednisone12 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 one group practice
- Clinical Health Care Associates OF New Jersey PCPrinceton, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arjun Fung-Janardhan among 4,632 internal medicine physician records in New Jersey
Arjun Fung-Janardhan is one of 4,632 internal medicine physician records with a practice address in New Jersey. 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 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2019 · median 2000 among the 3,132 with a school on file
- Record last updated2024 · 63% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 internal medicine physician records list a practice address in Plainsboro
They are 38 of the 405 NPPES records with a practice address in Plainsboro, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Plainsboro → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Byung-Kee Bang, MDPlainsboro, NJ 085361285722140
- Savitha Bhaskarapandit, MDPlainsboro, NJ 085361790988244
- Zhuping Chang, M.D.Plainsboro, NJ 085361255306775
- Barbara Edwards, M.D.Plainsboro, NJ 085361699790972
- Tobe Fisch, M.D.Princeton, NJ 085361689608283
- Rameck Hunt, M.D.Plainsboro, NJ 085361932130267
- Kusum Kumar, MDPlainsboro, NJ 085361871516443
- Margaret Lancefield, M.D.Plainsboro, NJ 085361831126754
Common questions
What is Arjun Fung-Janardhan's NPI number?
Arjun Fung-Janardhan's National Provider Identifier (NPI) is 1083174809, issued on Mar 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Arjun Fung-Janardhan located?
The NPPES record lists a practice address at 1 Plainsboro RD, Plainsboro, NJ, 08536. Phone: (609) 853-6049. Providers update this record themselves, so call before visiting.
How can I verify Arjun Fung-Janardhan's license?
NPPES lists New Jersey license number 25MA12190100, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Arjun Fung-Janardhan prescribe under Medicare Part D?
In 2024, Arjun Fung-Janardhan had 174 Medicare Part D claims for 86 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.