Dilip Kumar Tannan, M.D.
Family Medicine Physician · Oshkosh, WI
Dilip Kumar Tannan, M.D. is a family medicine physician with a practice address in Oshkosh, Wisconsin, and NPI 1215033972, issued on Sep 16, 2006. Check the license (Wisconsin 26504, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Dilip Kumar Tannan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 26504 WI
Self-reported in NPPES; status is on the state search - Practice location
- 555 S Washburn St, Oshkosh, WI 54904
- Phone
- (920) 231-2555
- Enumerated
- Sep 16, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (920) 236-3248
- Medicaid ID
- 30731900 WI
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 555 S Washburn St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Rhodes, MPTGeriatric Physical Therapist1649490152
- Lisa Schmidt, PTPhysical Therapist1225259542
Verify Dilip Kumar Tannan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 26504Check 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 family medicine physician in 2024
47 Medicare Part D claims, against an average of 3,544 among the 117,163 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.
Dilip Kumar Tannan among 3,765 family medicine physician records in Wisconsin
Dilip Kumar Tannan, M.D. is one of 3,765 family medicine physician records with a practice address in Wisconsin. 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2007 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
52 family medicine physician records list a practice address in Oshkosh
They are 52 of the 1,527 NPPES records with a practice address in Oshkosh, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Oshkosh → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jon Carlson, MDOshkosh, WI 549041639188782
- Matthew Fischer, MDOshkosh, WI 549041962517011
- Pamela House, MDOshkosh, WI 549041851408470
- Rimas Janusonis, MDOshkosh, WI 549041558389890
- Daniel Kaiser, MDOshkosh, WI 549041437133824
- Michael Knier, MDOshkosh, WI 549041861509309
- Phyllis Lee, MDOshkosh, WI 549041124010749
- Gregory Long, MDOshkosh, WI 549041720008881
Common questions
What is Dilip Kumar Tannan, M.D.'s NPI number?
Dilip Kumar Tannan, M.D.'s National Provider Identifier (NPI) is 1215033972, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dilip Kumar Tannan, M.D. located?
The NPPES record lists a practice address at 555 S Washburn St, Oshkosh, WI, 54904. Phone: (920) 231-2555. Providers update this record themselves, so call before visiting.
How can I verify Dilip Kumar Tannan, M.D.'s license?
NPPES lists Wisconsin license number 26504, as entered by the provider. 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 Dilip Kumar Tannan, M.D. prescribe under Medicare Part D?
In 2024, Dilip Kumar Tannan, M.D. had 47 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.