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Alejandro Eisma, MD
NPI 1225026990 · Internal Medicine Physician · Winnebago, WI
Alejandro Eisma, MD is a Internal Medicine Physician provider in Winnebago, WI (NPI 1225026990).
Provider details
- NPI number
- 1225026990
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 43119 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
1300 South Drive
Winnebago Mental Health Institute
Winnebago, WI 54985-0009
Phone: (920) 235-4910
Fax: (920) 236-2931
Street-level locationGet directions
Mailing address
1855 S Koeller St
Oshkosh, WI 54902-6186
Registry dates
- Enumerated
- 2005-10-07
- Last updated
- 2008-03-04
Frequently asked questions
- What is Alejandro Eisma's NPI number?
- Alejandro Eisma's National Provider Identifier (NPI) is 1225026990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alejandro Eisma's specialty?
- Alejandro Eisma is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alejandro Eisma located?
- Alejandro Eisma's practice location on file with NPPES is 1300 South Drive, Winnebago, WI 54985-0009.
- What is Alejandro Eisma's phone number?
- The practice phone number listed in the NPPES registry for Alejandro Eisma is (920) 235-4910.
- Is Alejandro Eisma's NPI active?
- Yes — Alejandro Eisma's NPI (1225026990) is active in the NPPES registry as of the last update on 2008-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.