Er Associates, LLC
NPI 1285673871 · Emergency Medicine Physician · Chicago, IL
Er Associates, LLC is a Emergency Medicine Physician organization in Chicago, IL (NPI 1285673871).
Provider details
- NPI number
- 1285673871
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Scott Betzelos, President(773) 728-5133
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
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
Mailing address
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2020-08-22
Frequently asked questions
- What is Er Associates, LLC's NPI number?
- Er Associates, LLC's National Provider Identifier (NPI) is 1285673871, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Er Associates, LLC?
- Er Associates, LLC is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Er Associates, LLC located?
- Er Associates, LLC's practice location on file with NPPES is 2233 W Division St, Chicago, IL 60622-3043.
- What is Er Associates, LLC's phone number?
- The practice phone number listed in the NPPES registry for Er Associates, LLC is (312) 770-2000.
- Who is the authorized official for Er Associates, LLC?
- The authorized official listed on Er Associates, LLC's NPPES record is Scott Betzelos, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Er Associates, LLC's NPI active?
- Yes — Er Associates, LLC's NPI (1285673871) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.