NPPES file of Aug 9, 2026

Colleen Althoff, OTR/L

Occupational Therapist · Chicago, IL

Colleen Althoff, OTR/L is an occupational therapist with a practice address in Chicago, Illinois, and NPI 1164905386, issued on Sep 13, 2018. Check the license (Illinois 056.012393, as entered in NPPES) 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
1164905386
Name
Colleen Althoff
Credential
OTR/L
Primary taxonomy
Occupational Therapist 225X00000X
License number
056.012393 IL
Self-reported in NPPES; status is on the state search
Practice location
1901 W Harrison St FL 2, Chicago, IL 60612
Phone
(312) 864-3654
Enumerated
Sep 13, 2018
Record last updated
Sep 13, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(312) 864-9173
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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Also registered at 1901 W Harrison St FL 2

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

  1. Kairee Pyles, PT, DPTPhysical Therapist1073097473

Verify Colleen Althoff in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 056.012393
    Check 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

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1,267 occupational therapist records list a practice address in Chicago

They are 1,267 of the 63,379 NPPES records with a practice address in Chicago, and 5,855 occupational therapist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other occupational therapist records in Illinois

  1. Mayumi Aaberg, MS OTRLRound Lake Beach, IL1174643951
  2. Allyson Abbinanti, OTDPark Ridge, IL1902760002
  3. Lubna Abdel-Mageed, MOT, OTROak Lawn, IL1609532977
  4. Hala Abdelrahman, OTR/LJoliet, IL1992519979
  5. Jana AbdullahDowners Grove, IL1518732601
  6. Josephine Abelleira, OTR/LChicago, IL1942029764
  7. Angela Abercrombie, OTR/LChicago, IL1174012645
  8. Kylie Abernathy, OTChicago, IL1518489269
  9. Ashly AbrahamGlenview, IL1043085160
  10. Gifty AbrahamSt Charles, IL1922382555

Common questions

What is Colleen Althoff, OTR/L's NPI number?

Colleen Althoff, OTR/L's National Provider Identifier (NPI) is 1164905386, issued on Sep 13, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Colleen Althoff, OTR/L located?

The NPPES record lists a practice address at 1901 W Harrison St FL 2, Chicago, IL, 60612. Phone: (312) 864-3654. Providers update this record themselves, so call before visiting.

How can I verify Colleen Althoff, OTR/L's license?

NPPES lists Illinois license number 056.012393, as entered by the provider. 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.

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.