Varun Ayyaswami
Internal Medicine Physician · Worcester, MA
Varun Ayyaswami is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1306474432, issued on Apr 1, 2020. Check the license (Massachusetts 1014890, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Varun Ayyaswami
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1014890 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (508) 334-2731
- Enumerated
- Apr 1, 2020
- Record last updated
- Mar 22, 2024
- Fax
- (774) 442-4672
- Medicare enrollment
- Enrolled (PECOS I20230711002533); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417
Verify Varun Ayyaswami in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1014890Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average internal medicine physician in 2024
484 Medicare Part D claims for 162 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Atorvastatin Calcium50 claims
- Rosuvastatin Calcium33 claims
- Lisinopril30 claims
- Omeprazole21 claims
- Amlodipine Besylate19 claims
- Levothyroxine Sodium15 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
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Varun Ayyaswami among 6,825 internal medicine physician records in Massachusetts
Varun Ayyaswami 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 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 11% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · median 2004 among the 4,103 with a school on file
- Record last updated2024 · 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).
448 internal medicine physician records list a practice address in Worcester
They are 448 of the 13,166 NPPES records with a practice address in Worcester, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Worcester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Abigail Adams, M.D.Worcester, MA 016551497745806
- Eric Alper, M.D.Worcester, MA 016551275524340
- Nidhi Chojar, M.D.Worcester, MA 016551023009636
- Kimberly Eisenstock, M.D.Worcester, MA 016551194706069
- George Eypper, M.D.Worcester, MA 016551104817451
- Melissa Fischer, M.D.Worcester, MA 016551306837653
- Ish Gupta, D.O.Worcester, MA 016551598747834
- Andrew Karson, MDWorcester, MA 016551194706002
Common questions
What is Varun Ayyaswami's NPI number?
Varun Ayyaswami's National Provider Identifier (NPI) is 1306474432, issued on Apr 1, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Varun Ayyaswami located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 334-2731. Providers update this record themselves, so call before visiting.
How can I verify Varun Ayyaswami's license?
NPPES lists Massachusetts license number 1014890, 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 Varun Ayyaswami prescribe under Medicare Part D?
In 2024, Varun Ayyaswami had 484 Medicare Part D claims for 162 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.