NPPES file of Aug 9, 2026

Nathan O'Connor, DPT

Physical Therapist · Chicago, IL

Nathan O'Connor, DPT is a physical therapist with a practice address in Chicago, Illinois, and NPI 1497431142, issued on Jun 27, 2023. Check the license (Illinois 070.027465, as entered in NPPES) 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
1497431142
Name
Nathan O'Connor
Credential
DPT
Primary taxonomy
Physical Therapist 225100000X
License number
070.027465 IL
Self-reported in NPPES; status is on the state search
Practice location
1919 W Taylor St, Chicago, IL 60612
Phone
(312) 996-7783
Enumerated
Jun 27, 2023
Record last updated
Feb 25, 2026
Medicare enrollment
Enrolled (PECOS I20240423001261); 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 physical therapist records → All 12,045 in Illinois → Look up another NPI →

Also registered at 1919 W Taylor St

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

  1. Madeleine Greenblatt, PT, DPTPhysical Therapist1609753615
  2. Bhrandon Harris, M.D.Family Medicine Physician1306189790
  3. Keia Hobbs, MDFamily Medicine Physician1376620070
  4. Jeanne McCoy, PT, MS, NCSPhysical Therapist1841408101
  5. Jorge Ochoa, DPT, PTPhysical Therapist1225722374

Verify Nathan O'Connor 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 070.027465    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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Bills Medicare through one group practice

  1. React Physical Therapy LLCWilmette, IL

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

Nathan O'Connor among 12,045 physical therapist records in Illinois

Nathan O'Connor, DPT is one of 12,045 physical therapist records with a practice address in Illinois. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 87% of them.

  • NPI issued2023 · 87% of these records are older, 10% newer
  • In a Medicare fileYes · 36% of these records are
  • In the CMS Doctors and Clinicians fileYes · 37% of these records are
  • Graduated2023 · median 2015 among the 4,392 with a school on file
  • Record last updated2026 · 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 225100000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,639 physical therapist records list a practice address in Chicago

They are 2,639 of the 63,379 NPPES records with a practice address in Chicago, and 12,045 physical therapist records in Illinois.

All 12,045 in Illinois → Every provider in Chicago → Physical Therapist nationwide →

The 8 physical therapist records with the nearest ZIP codes

  1. Pamela Byrne, PT, DPTChicago, IL 606121326196171
  2. Elizabeth Campione, PT, DPTChicago, IL 606121275680894
  3. Diane Genaze, P.T.Chicago, IL 606121104981588
  4. Karla Laverty, P.T.Chicago, IL 606121174671424
  5. Robert Lebeau, BSPTChicago, IL 606121861404360
  6. Alison Liddle, P.T., M.P.P, PCSChicago, IL 606121215018361
  7. Catherine Orpett, P.T.Chicago, IL 606121902953425
  8. Kerry Palm, PT, DPTChicago, IL 606121538224746

Common questions

What is Nathan O'Connor, DPT's NPI number?

Nathan O'Connor, DPT's National Provider Identifier (NPI) is 1497431142, issued on Jun 27, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Nathan O'Connor, DPT located?

The NPPES record lists a practice address at 1919 W Taylor St, Chicago, IL, 60612. Phone: (312) 996-7783. Providers update this record themselves, so call before visiting.

How can I verify Nathan O'Connor, DPT's license?

NPPES lists Illinois license number 070.027465, 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. 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.