NPPES file of Aug 9, 2026

Mara Marks, OT

Occupational Therapist · Chicago, IL

Mara Marks, OT is an occupational therapist with a practice address in Chicago, Illinois, and NPI 1700112166, issued on Oct 20, 2009. Check the license (Illinois 056004837, 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
1700112166
Name
Mara Marks
Credential
OT
Primary taxonomy
Occupational Therapist 225X00000X
License number
056004837 IL
Self-reported in NPPES; status is on the state search
Practice location
2157 N Damen Ave, Chicago, IL 60647
Phone
(773) 278-4769
Enumerated
Oct 20, 2009
Record last updated
Apr 7, 2014 (not updated in 12 years: call before relying on the address or phone)
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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8 nearest occupational therapist records → All 5,855 in Illinois → Look up another NPI →

Also registered at 2157 N Damen Ave

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

  1. Grace Deardurff, M.S., OTR/LPediatric Occupational Therapist1659829273
  2. Bianca Joseph, OTR/LOccupational Therapist1538743919
  3. Lauren LathamSpeech-Language Pathologist1699186973
  4. Allison Rapundalo, SLPSpeech-Language Pathologist1962998237

Verify Mara Marks 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 056004837    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

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

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Mara Marks among 5,855 occupational therapist records in Illinois

Mara Marks, OT is one of 5,855 occupational therapist records with a practice address in Illinois. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 22% of them.

  • NPI issued2009 · 22% of these records are older, 74% newer
  • In a Medicare fileNo · 13% of these records are
  • In the CMS Doctors and Clinicians fileNo · 14% of these records are
  • Record last updated2014 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

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.

All 5,855 in Illinois → Every provider in Chicago → Occupational Therapist nationwide →

The 8 occupational therapist records with the nearest ZIP codes

  1. Janet Apgar, OTR/L, CHTChicago, IL 606471003928581
  2. Mai-Phuong Johnston, OTR/LChicago, IL 606471437320132
  3. Patricia Kizior, OTR/LChicago, IL 606471740454883
  4. Kimberly Lukecart, OTR/LChicago, IL 606471154459824
  5. Kira MeskinChicago, IL 606471366786683
  6. Patrick Oconnor, OCCUPATIONAL THERAPIChicago, IL 606471093908303
  7. Carolyn Reynolds, OTR/LChicago, IL 606471265685499
  8. Kimberly Russell, OTR/LChicago, IL 606471902085566

Common questions

What is Mara Marks, OT's NPI number?

Mara Marks, OT's National Provider Identifier (NPI) is 1700112166, issued on Oct 20, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Mara Marks, OT located?

The NPPES record lists a practice address at 2157 N Damen Ave, Chicago, IL, 60647. Phone: (773) 278-4769. Providers update this record themselves, so call before visiting.

How can I verify Mara Marks, OT's license?

NPPES lists Illinois license number 056004837, 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.

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.