Carol Kotzan MD LLC
NPI 1457603557 · Internal Medicine Physician · Crystal Lake, IL
Carol Kotzan MD LLC is a Internal Medicine Physician organization in Crystal Lake, IL (NPI 1457603557).
Provider details
- NPI number
- 1457603557
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Carol Kotzan, President(815) 455-7200
- License
- 036076689 (IL)
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
13 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
- 2012-10-12
- Last updated
- 2013-03-25
Frequently asked questions
- What is Carol Kotzan MD LLC's NPI number?
- Carol Kotzan MD LLC's National Provider Identifier (NPI) is 1457603557, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Carol Kotzan MD LLC?
- Carol Kotzan MD LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carol Kotzan MD LLC located?
- Carol Kotzan MD LLC's practice location on file with NPPES is 360 Station Dr, Crystal Lake, IL 60014-7978.
- What is Carol Kotzan MD LLC's phone number?
- The practice phone number listed in the NPPES registry for Carol Kotzan MD LLC is (815) 455-7200.
- Who is the authorized official for Carol Kotzan MD LLC?
- The authorized official listed on Carol Kotzan MD LLC's NPPES record is Carol Kotzan, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Carol Kotzan MD LLC's NPI active?
- Yes — Carol Kotzan MD LLC's NPI (1457603557) is active in the NPPES registry as of the last update on 2013-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.