Nestor Alabarca, MD
NPI 1336157981 · Internal Medicine Physician · Lake Geneva, WI
Nestor Alabarca, MD is a Internal Medicine Physician provider in Lake Geneva, WI (NPI 1336157981).
Provider details
- NPI number
- 1336157981
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 20952 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2023-03-07
Frequently asked questions
- What is Nestor Alabarca's NPI number?
- Nestor Alabarca's National Provider Identifier (NPI) is 1336157981, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nestor Alabarca's specialty?
- Nestor Alabarca is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nestor Alabarca located?
- Nestor Alabarca's practice location on file with NPPES is 146 E Geneva Square, Lake Geneva, WI 53147.
- What is Nestor Alabarca's phone number?
- The practice phone number listed in the NPPES registry for Nestor Alabarca is (262) 249-5000.
- Is Nestor Alabarca's NPI active?
- Yes — Nestor Alabarca's NPI (1336157981) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.