Registry data as of Aug 27, 2026

Katherine Appelhans, RDH

Dental Hygienist · Chicago, IL

Katherine Appelhans, RDH is a dental hygienist with a practice address in Chicago, Illinois, and NPI 1225367964, issued on Dec 8, 2009. 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1225367964
Name
Katherine Appelhans
Credential
RDH
Primary taxonomy
Dental Hygienist 124Q00000X
Practice location
2750 W North Ave, Chicago, IL 60647
Phone
(312) 432-4550
Enumerated
Dec 8, 2009
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.
Download card Updates feed

Also registered at 2750 W North Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Uroosa AmirStudent in an Organized Health Care Education/Training Program1457093213
  2. Ashley AndersonStudent in an Organized Health Care Education/Training Program1649920851
  3. Deysi Arguello, DNP, AGPCNPGerontology Nurse Practitioner1508741901
  4. Nida BajwaFamily Medicine Physician1033744081
  5. Elizabeth Barker, MDStudent in an Organized Health Care Education/Training Program1174218762
  6. Meredith Baumgartner, MDFamily Medicine Physician1407417264

Verify Katherine Appelhans 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
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Dental Hygienist providers in Illinois

There are 344 dental hygienist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 344 in Illinois → Every provider in Chicago →

Other dental hygienist records in Illinois

  1. Olivia Aaron, RDHZeigler, IL1114159712
  2. Amanda Abrahamsen, RDHLa Grange Park, IL1558177592
  3. Courtney Adams, RDHMoline, IL1497567085
  4. Jessica AllenChristopher, IL1558647321
  5. Heather AndersonNorth Chicago, IL1851447908
  6. Jonathan AndersonGillespie, IL1407584014
  7. Shania AndersonBloomington, IL1134947385
  8. Bess Andrews, RDHBSGreat Lakes, IL1033989850
  9. Jennifer Angus, RDHMarion, IL1487448049
  10. Lisa Annerino, RDHPlainfield, IL1346021094

Common questions

What is Katherine Appelhans, RDH's NPI number?

Katherine Appelhans, RDH's National Provider Identifier (NPI) is 1225367964, issued on Dec 8, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Appelhans, RDH located?

The NPPES record lists a practice address at 2750 W North Ave, Chicago, IL, 60647. Phone: (312) 432-4550. Providers update this record themselves, so call before visiting.

How can I verify Katherine Appelhans, RDH'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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.