Asha N. Vijayakumar, MD
Internal Medicine Physician · Addison, IL
Asha N. Vijayakumar, MD is an internal medicine physician with a practice address in Addison, Illinois, and NPI 1790724540, issued on Jun 6, 2006. Check the license (Illinois 036-107591, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Asha N. Vijayakumar
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-107591 IL
Self-reported in NPPES; status is on the state search - Practice location
- 303 W. Lake St, Addison, IL 60101
- Phone
- (331) 221-9001
- Enumerated
- Jun 6, 2006
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (847) 358-2770
- Medicaid ID
- 036-107591 IL
- Medicare enrollment
- Enrolled (PECOS I20050524000285); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Verify Asha N. Vijayakumar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-107591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average internal medicine physician in 2024
4,045 Medicare Part D claims for 384 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium525 claims
- Amlodipine Besylate316 claims
- Levothyroxine Sodium220 claims
- Metformin Hcl178 claims
- Rosuvastatin Calcium159 claims
- Losartan Potassium157 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
- Advocate Health And Hospitals CorporationBuffalo Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Asha N. Vijayakumar among 7,238 internal medicine physician records in Illinois
Asha N. Vijayakumar, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1994 · median 2003 among the 3,580 with a school on file
- Record last updated2021 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 internal medicine physician records list a practice address in Addison
They are 16 of the 442 NPPES records with a practice address in Addison, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Addison → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Rolando Henriquez, M.D.Addison, IL 601011144370990
- Hans Henriquez, M.D.Addison, IL 601011053725994
- Emmanuel Linchangco, MDAddison, IL 601011922095546
- Gina Mathew, D.O.Addison, IL 601011992933204
- Ausencio Nunez, M.DAddison, IL 601011407996564
- Diana Osmanovic, DOAddison, IL 601011386919728
- Jennifer Paschos, M.D.Addison, IL 601011396064366
- Krunal Patel, MDAddison, IL 601011396127239
Common questions
What is Asha N. Vijayakumar, MD's NPI number?
Asha N. Vijayakumar, MD's National Provider Identifier (NPI) is 1790724540, issued on Jun 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Asha N. Vijayakumar, MD located?
The NPPES record lists a practice address at 303 W. Lake St, Addison, IL, 60101. Phone: (331) 221-9001. Providers update this record themselves, so call before visiting.
How can I verify Asha N. Vijayakumar, MD's license?
NPPES lists Illinois license number 036-107591, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Asha N. Vijayakumar, MD prescribe under Medicare Part D?
In 2024, Asha N. Vijayakumar, MD had 4,045 Medicare Part D claims for 384 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.