Acute Care Specialists, Inc.
NPI 1447294640 · Emergency Medicine Physician · Chicago, IL
Acute Care Specialists, Inc. is a Emergency Medicine Physician organization in Chicago, IL (NPI 1447294640).
Provider details
- NPI number
- 1447294640
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- James Rybak, President(440) 842-7990
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
- 2006-06-16
- Last updated
- 2007-10-19
Frequently asked questions
- What is Acute Care Specialists, Inc.'s NPI number?
- Acute Care Specialists, Inc.'s National Provider Identifier (NPI) is 1447294640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Acute Care Specialists, Inc.?
- Acute Care Specialists, Inc. is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Acute Care Specialists, Inc. located?
- Acute Care Specialists, Inc.'s practice location on file with NPPES is 4646 N Marine Dr, Chicago, IL 60640-5759.
- What is Acute Care Specialists, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Acute Care Specialists, Inc. is (773) 878-8700.
- Who is the authorized official for Acute Care Specialists, Inc.?
- The authorized official listed on Acute Care Specialists, Inc.'s NPPES record is James Rybak, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Acute Care Specialists, Inc.'s NPI active?
- Yes — Acute Care Specialists, Inc.'s NPI (1447294640) is active in the NPPES registry as of the last update on 2007-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.