Ernesto J. Villegas MD, Sc
NPI 1689005944 · Primary Care Clinic/Center · Chicago, IL
Ernesto J. Villegas MD, Sc is a Primary Care Clinic/Center organization in Chicago, IL (NPI 1689005944).
Provider details
- NPI number
- 1689005944
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Ernesto Villegas, Medical Director, President(312) 733-0909
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
Other names (DBA / former)
- Doing business as
- Ergomedica
Registry dates
- Enumerated
- 2013-12-11
- Last updated
- 2014-03-06
Frequently asked questions
- What is Ernesto J. Villegas MD, Sc's NPI number?
- Ernesto J. Villegas MD, Sc's National Provider Identifier (NPI) is 1689005944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ernesto J. Villegas MD, Sc?
- Ernesto J. Villegas MD, Sc is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is Ernesto J. Villegas MD, Sc located?
- Ernesto J. Villegas MD, Sc's practice location on file with NPPES is 311 N Aberdeen St, Chicago, IL 60607-1251.
- What is Ernesto J. Villegas MD, Sc's phone number?
- The practice phone number listed in the NPPES registry for Ernesto J. Villegas MD, Sc is (312) 733-0909.
- Who is the authorized official for Ernesto J. Villegas MD, Sc?
- The authorized official listed on Ernesto J. Villegas MD, Sc's NPPES record is Ernesto Villegas, Medical Director, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ernesto J. Villegas MD, Sc's NPI active?
- Yes — Ernesto J. Villegas MD, Sc's NPI (1689005944) is active in the NPPES registry as of the last update on 2014-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.