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Dilip Tannan, M.D.
NPI 1215033972 · Family Medicine Physician · Oshkosh, WI
Dilip Tannan, M.D. is a Family Medicine Physician provider in Oshkosh, WI (NPI 1215033972).
Provider details
- NPI number
- 1215033972
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 26504 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
555 S Washburn St
Cte 2
Oshkosh, WI 54904-6710
Phone: (920) 231-2555
Fax: (920) 236-3248
Street-level locationGet directions
Mailing address
555 S Washburn St
Oshkosh, WI 54904-6710
Registry dates
- Enumerated
- 2006-09-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Dilip Tannan's NPI number?
- Dilip Tannan's National Provider Identifier (NPI) is 1215033972, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dilip Tannan's specialty?
- Dilip Tannan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dilip Tannan located?
- Dilip Tannan's practice location on file with NPPES is 555 S Washburn St, Oshkosh, WI 54904-6710.
- What is Dilip Tannan's phone number?
- The practice phone number listed in the NPPES registry for Dilip Tannan is (920) 231-2555.
- Is Dilip Tannan's NPI active?
- Yes — Dilip Tannan's NPI (1215033972) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.