Kalyani Theivanayagam, M.D.
Internal Medicine Physician · Summit, NJ
Kalyani Theivanayagam, M.D. is an internal medicine physician with a practice address in Summit, New Jersey, and NPI 1598878910, issued on Aug 17, 2006. Check the license (New Jersey 25MA06857500, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Kalyani Theivanayagam
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA06857500 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 276 Woodland Ave, Summit, NJ 07901
- Phone
- (973) 669-8181
- Enumerated
- Aug 17, 2006
- Record last updated
- Dec 23, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (973) 669-1687
- Medicaid ID
- 7878109 NJ
- Medicare enrollment
- Enrolled (PECOS I20101222000753); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Verify Kalyani Theivanayagam 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 25MA06857500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,476 Medicare Part D claims for 320 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 98 claims were for opioids.
Most prescribed
- Atorvastatin Calcium540 claims
- Amlodipine Besylate425 claims
- Metformin Hcl315 claims
- Carvedilol231 claims
- Furosemide195 claims
- Allopurinol188 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: $122.01
4 payments; by number, the most common kind was food and beverage; the largest payer was Dexcom, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through 2 group practices
- Manickam Ganesh MD PAWest Orange, NJ
- State OF New Jersey Omb Centralized PayrollMorris Plains, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kalyani Theivanayagam among 4,632 internal medicine physician records in New Jersey
Kalyani Theivanayagam, M.D. 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1995 · median 2000 among the 3,132 with a school on file
- Record last updated2010 · 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).
54 internal medicine physician records list a practice address in Summit
They are 54 of the 1,151 NPPES records with a practice address in Summit, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Summit → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sharen Anghel, MDSummit, NJ 079011922161546
- Richard Berardi, D.O.Summit, NJ 079011245244987
- Vineesh Bhatnagar, MDSummit, NJ 079011346295227
- Michael Blecker, MDSummit, NJ 079011871551572
- Pramod Goodluck, MDSummit, NJ 079011568439479
- Jon Hershkowitz, MDSummit, NJ 079011811985203
- Thomas Jackson, MDSummit, NJ 079011245330950
- Emily Jeffries, MDSummit, NJ 079011093704934
Common questions
What is Kalyani Theivanayagam, M.D.'s NPI number?
Kalyani Theivanayagam, M.D.'s National Provider Identifier (NPI) is 1598878910, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kalyani Theivanayagam, M.D. located?
The NPPES record lists a practice address at 276 Woodland Ave, Summit, NJ, 07901. Phone: (973) 669-8181. Providers update this record themselves, so call before visiting.
How can I verify Kalyani Theivanayagam, M.D.'s license?
NPPES lists New Jersey license number 25MA06857500, 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 Kalyani Theivanayagam, M.D. prescribe under Medicare Part D?
In 2024, Kalyani Theivanayagam, M.D. had 7,476 Medicare Part D claims for 320 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.