Crystal Lake Immediate Care Physicians Ltd.
NPI 1538517198 · Emergency Medicine Physician · Crystal Lake, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Lake Immediate Care Physicians Ltd. is a Emergency Medicine Physician organization in Crystal Lake, IL (NPI 1538517198).
Provider details
- NPI number
- 1538517198
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Thompson, President(815) 479-7490
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
10 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
- 2016-05-24
- Last updated
- 2026-02-27
- Certified
- 2026-02-27
Frequently asked questions
- What is Crystal Lake Immediate Care Physicians Ltd.'s NPI number?
- Crystal Lake Immediate Care Physicians Ltd.'s National Provider Identifier (NPI) is 1538517198, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Crystal Lake Immediate Care Physicians Ltd.?
- Crystal Lake Immediate Care Physicians Ltd. is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Crystal Lake Immediate Care Physicians Ltd. located?
- Crystal Lake Immediate Care Physicians Ltd.'s practice location on file with NPPES is 525 E Congress Pkwy, Crystal Lake, IL 60014-6245.
- What is Crystal Lake Immediate Care Physicians Ltd.'s phone number?
- The practice phone number listed in the NPPES registry for Crystal Lake Immediate Care Physicians Ltd. is (815) 479-7490.
- Does Crystal Lake Immediate Care Physicians Ltd. accept Medicare?
- Crystal Lake Immediate Care Physicians Ltd. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Crystal Lake Immediate Care Physicians Ltd.?
- The authorized official listed on Crystal Lake Immediate Care Physicians Ltd.'s NPPES record is Mark Thompson, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Crystal Lake Immediate Care Physicians Ltd.'s NPI active?
- Yes — Crystal Lake Immediate Care Physicians Ltd.'s NPI (1538517198) is active in the NPPES registry as of the last update on 2026-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.