Balvindar S. Sareen, MD
Internal Medicine Physician · Fond Du Lac, WI
Balvindar S. Sareen, MD is an internal medicine physician with a practice address in Fond Du Lac, Wisconsin, and NPI 1023041019, issued on Jul 10, 2006. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Balvindar S. Sareen
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 179342-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 430 E Division St, Fond Du Lac, WI 54935
- Phone
- (315) 637-7800
- Enumerated
- Jul 10, 2006
- Record last updated
- Jun 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (315) 637-7808
- Medicare enrollment
- Enrolled (PECOS I20060915000172); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 430 E Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kabir Ahmed, M.D.Sleep Medicine (Internal Medicine) Physician1528325891
- Desirae AlsumNurse Practitioner1912748401
- Jan Andrews, RNMedical-Surgical Registered Nurse1972594679
- Cheryl Apel, RNRegistered Nurse1750181681
- Mary Arrigoni, CRNACertified Registered Nurse Anesthetist1033106125
- Andrea Aul, MDPediatrics Physician1447888110
Verify Balvindar S. Sareen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
19 Medicare Part D claims for 11 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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
- Central Suffolk HospitalRiverhead, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Balvindar S. Sareen among 2,078 internal medicine physician records in Wisconsin
Balvindar S. Sareen, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1979 · median 2002 among the 1,098 with a school on file
- Record last updated2015 · 55% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 internal medicine physician records list a practice address in Fond Du Lac
They are 19 of the 1,312 NPPES records with a practice address in Fond Du Lac, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Fond Du Lac → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- E Ayala, MDFond Du Lac, WI 549351821089541
- Oliver Clements, MDFond Du Lac, WI 549351184615429
- Robert Grass, MDFond Du Lac, WI 549351689665093
- Punit Kumar, MDFond Du Lac, WI 549351144271990
- Madhulika Lall, MDFond Du Lac, WI 549351821009838
- Gabriel Litman, MDFond Du Lac, WI 549351184731630
- Joseph Marik, MDFond Du Lac, WI 549351710969860
- Jay Muller, MDFond Du Lac, WI 549351053305961
Common questions
What is Balvindar S. Sareen, MD's NPI number?
Balvindar S. Sareen, MD's National Provider Identifier (NPI) is 1023041019, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Balvindar S. Sareen, MD located?
The NPPES record lists a practice address at 430 E Division St, Fond Du Lac, WI, 54935. Phone: (315) 637-7800. Providers update this record themselves, so call before visiting.
How can I verify Balvindar S. Sareen, MD's license?
Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Balvindar S. Sareen, MD prescribe under Medicare Part D?
In 2024, Balvindar S. Sareen, MD had 19 Medicare Part D claims for 11 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.