NPPES file of Aug 9, 2026

Marissa L. Merritt, MS, OTR/L

Occupational Therapist · Chicago, IL

Marissa L. Merritt, MS, OTR/L is an occupational therapist with a practice address in Chicago, Illinois, and NPI 1811408982, issued on Oct 17, 2017. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1811408982
Name
Marissa L. Merritt
Credential
MS, OTR/L
Primary taxonomy
Occupational Therapist 225X00000X
Practice location
1969 W Ogden Ave, Chicago, IL 60612
Phone
(312) 864-6000
Enumerated
Oct 17, 2017
Record last updated
Oct 17, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20240823002213); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. 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 1969 W Ogden Ave

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

  1. Aiah Abdel-AalPediatrics Physician1255115846
  2. Josephine Abelleira, OTR/LOccupational Therapist1942029764
  3. Nadine Abi-Younes, MDPediatric Anesthesiology Physician1306422589
  4. Indu Abraham, MSN, APRN, FNP-BCFamily Nurse Practitioner1538913942
  5. Tanja Acamovic, RNEmergency Registered Nurse1740098292
  6. Adebowale AdesidaPhysician Assistant1093407868

Verify Marissa L. Merritt 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

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Bills Medicare through one group practice

  1. Benchmark Physical Therapy OF North Carolina, LLCLeland, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marissa L. Merritt among 5,855 occupational therapist records in Illinois

Marissa L. Merritt, MS, OTR/L 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. Its NPI, issued in 2017, is newer than 53% of them.

  • NPI issued2017 · 53% of these records are older, 43% newer
  • In a Medicare fileYes · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 14% of these records are
  • Graduated2005 · median 2014 among the 799 with a school on file
  • Record last updated2017 · 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.

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

The 8 occupational therapist records with the nearest ZIP codes

  1. Nancy Byrne, OTChicago, IL 606121518008416
  2. Brendolyn Cobb-Oliver, OTR/LChicago, IL 606121619068020
  3. Eric Duncan, OTR/LChicago, IL 606121629017256
  4. Carole Hall, OTRChicago, IL 606121376663260
  5. Molly HighamChicago, IL 606121720107949
  6. Kathy JonesChicago, IL 606121457425332
  7. Dru Kachelmuss, MOTChicago, IL 606121215079553
  8. Brenda KovermanChicago, IL 606121861512477

Common questions

What is Marissa L. Merritt, MS, OTR/L's NPI number?

Marissa L. Merritt, MS, OTR/L's National Provider Identifier (NPI) is 1811408982, issued on Oct 17, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Marissa L. Merritt, MS, OTR/L located?

The NPPES record lists a practice address at 1969 W Ogden Ave, Chicago, IL, 60612. Phone: (312) 864-6000. Providers update this record themselves, so call before visiting.

How can I verify Marissa L. Merritt, MS, OTR/L'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. Medicare files from data.cms.gov. 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.