NPPES file of Aug 9, 2026

Diane Katherine Comer, LCPC, RN

Registered Nurse · Crystal Lake, IL

Diane Katherine Comer, LCPC, RN is a registered nurse with a practice address in Crystal Lake, Illinois, and NPI 1235248915, issued on Aug 29, 2006. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235248915
Name
Diane Katherine Comer
Credential
LCPC, RN
Primary taxonomy
Registered Nurse 163W00000X
Practice location
100 North Walkup Avenue, Crystal Lake, IL 60014
Phone
(815) 243-4092
Enumerated
Aug 29, 2006
Record last updated
Sep 11, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Diane Katherine Comer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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Registered Nurse providers in Illinois

There are 2,628 registered nurse records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,628 in Illinois → Every provider in Crystal Lake →

Other registered nurse records in Illinois

  1. Hannah Aba, RNLombard, IL1285248765
  2. Cindy AbundizAddison, IL1831907823
  3. Jean Ackerson, APRN-BCWauconda, IL1932458189
  4. Carrie AdamanyRockford, IL1912407966
  5. Kelsie AdamsSpringfield, IL1568255081
  6. Lynnetta AdamsBlue Island, IL1396628095
  7. Rachelle Adams, RNMount Carmel, IL1174272660
  8. Micaela Adams-Carr, MSN, RNKankakee, IL1992476840
  9. Suset AdanWestmont, IL1144198672
  10. Craig AddisonChicago, IL1568856219

Common questions

What is Diane Katherine Comer, LCPC, RN's NPI number?

Diane Katherine Comer, LCPC, RN's National Provider Identifier (NPI) is 1235248915, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diane Katherine Comer, LCPC, RN located?

The NPPES record lists a practice address at 100 North Walkup Avenue, Crystal Lake, IL, 60014. Phone: (815) 243-4092. Providers update this record themselves, so call before visiting.

How can I verify Diane Katherine Comer, LCPC, RN's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.