Mary Gretchen O Connor, PT
Geriatric Physical Therapist · Grayslake, IL
Mary Gretchen O Connor, PT is a geriatric physical therapist with a practice address in Grayslake, Illinois, and NPI 1861941346, issued on Sep 26, 2016. Check the license (Illinois 070.019894, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Gretchen O Connor
- Credential
- PT
- Primary taxonomy
- Geriatric Physical Therapist 2251G0304X
- License number
- 070.019894 IL
Self-reported in NPPES; status is on the state search - Practice location
- 997 N Corporate Cir, Grayslake, IL 60030
- Phone
- (847) 223-8001
- Enumerated
- Sep 26, 2016
- Record last updated
- Oct 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161024001484); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 997 N Corporate Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robin Erker, PTGeriatric Physical Therapist1790816429
- Nancy Lambert, RDN, LDNRegistered Dietitian1326426248
- Lisa Lucchese, LPCProfessional Counselor1174953012
- Amie Pathmann, LPCProfessional Counselor1619364502
- Sandra Schmidt, RDRegistered Dietitian1437562162
- Heather Scott, LPCProfessional Counselor1619370590
Verify Mary Gretchen O Connor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 070.019894Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Grayslake Rehabilitation And Complete Physical Therapy LLCGrayslake, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geriatric Physical Therapist providers in Illinois
There are 73 geriatric physical therapist records in Illinois.
Other geriatric physical therapist records in Illinois
- Riza AcasElgin, IL1154722916
- Abigail AndersonFlora, IL1881084705
- Ariel Aparentado, RPTDanville, IL1962621854
- Maribel Aparentado, R.P.T.Danville, IL1235358110
- Emily ApplebeeGlenview, IL1013655158
- Marilou Barrogo, PT ,DPTPark Ridge, IL1679220925
- Jennifer Beard, PTRockford, IL1265672521
- Jay Beco, PTAOrland Park, IL1093102352
- Laura Bergeron, DPTBurr Ridge, IL1235896473
- Matthew Boebel, P.T.Hinsdale, IL1861524092
Common questions
What is Mary Gretchen O Connor, PT's NPI number?
Mary Gretchen O Connor, PT's National Provider Identifier (NPI) is 1861941346, issued on Sep 26, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mary Gretchen O Connor, PT located?
The NPPES record lists a practice address at 997 N Corporate Cir, Grayslake, IL, 60030. Phone: (847) 223-8001. Providers update this record themselves, so call before visiting.
How can I verify Mary Gretchen O Connor, PT's license?
NPPES lists Illinois license number 070.019894, 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.
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.