Mary Gretchen O Connor, PT

  • Grayslake, IL
  • Geriatric physical therapist
NPI1861941346PAC ID7012295272
Medicare patients, 2024
35
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2016
Practice address
997 N Corporate Cir, Grayslake, IL 60030
Practice phone
Call (847) 223-8001
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Grayslake Rehabilitation Physical Therapy & Wellness

Therapy Group Practice · Grayslake, Illinois

See all 2 affiliations

Find Mary O Connor's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Mary Gretchen O Connor is a geriatric physical therapist in Grayslake, Illinois

Mary O Connor practices at Grayslake Rehabilitation Physical Therapy & Wellness in Grayslake, Illinois.

Mary O Connor's NPI, 1861941346, was assigned on September 26, 2016. Mary O Connor holds Illinois license 070.019894.

NPI and contact details
Medicare PAC ID
7012295272
NPI enumeration date
September 26, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(847) 223-8001
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
65
Medical school graduation
1987

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Mary Gretchen O Connor practices at Grayslake Rehabilitation Physical Therapy & Wellness in Grayslake, Illinois

Mary O Connor's primary practice is Grayslake Rehabilitation Physical Therapy & Wellness, at 997 N Corporate Cir, Grayslake, IL 60030. The practice phone is (847) 223-8001.

  • Grayslake Rehabilitation Physical Therapy & Wellness
    997 N Corporate Cir, Grayslake, IL 60030Phone(847) 223-8001

Source: Dmand AI Affiliation Data

Mary Gretchen O Connor is affiliated with 1 site of care and 1 medical group

Mary O Connor's primary practice is Grayslake Rehabilitation Physical Therapy & Wellness in Grayslake, Illinois. The medical group on file is Grayslake Rehabilitation Physical Therapy & Wellness. Mary O Connor's employer is on file too: a physical therapy & rehab clinic.

See all 2 affiliations for Mary O Connor

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Mary Gretchen O Connor's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mary O Connor practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Grayslake Rehabilitation Physical Therapy & WellnessAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Mary O Connor practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Mary Gretchen O Connor is one of 29 geriatric physical therapists in Illinois

Geriatrics is Mary O Connor's primary specialty in the NPI Registry, under taxonomy code 2251G0304X. Mary O Connor is licensed in Illinois.

Specialties and state licenses

  • Geriatric physical therapist, IllinoisPrimaryLicense 070.019894 · taxonomy 2251G0304X

Geriatric physical therapists near Mary O Connor

Counts of geriatric physical therapists with a Dmand AI profile, by place and practice. Each opens the list.

29geriatric physical therapists in Illinois
2geriatric physical therapists in Grayslake

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Mary Gretchen O Connor treated 35 Medicare patients in 2024, average age 76

CMS counts 35 Medicare patients who saw Mary O Connor in 2024. The largest group is 75 to 84, with 22 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.29, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Mary O Connor's median patient age at 67, with 100% women.

Medicare patients, 202435
Average age76
Average risk score1.29

Mary O Connor's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Mary O Connor's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure66%

Share of Medicare patients with each condition. A patient can have several.

Mary O Connor's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women100%
  • Men0%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Mary Gretchen O Connor takes part in Medicare

Mary O Connor accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Sources for Mary Gretchen O Connor's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mary Gretchen O Connor

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Mary Gretchen O Connor's NPI number?

Mary Gretchen O Connor's NPI number is 1861941346. It was assigned on September 26, 2016, and it is active in the NPI Registry.

What does Mary Gretchen O Connor specialize in?

Mary Gretchen O Connor is a geriatric physical therapist in Grayslake, Illinois. The primary specialty in the NPI Registry is Geriatric Physical Therapist (taxonomy code 2251G0304X).

Where does Mary Gretchen O Connor practice?

Mary O Connor practices at 997 N Corporate Cir, Grayslake, IL 60030. Mary O Connor's primary practice is Grayslake Rehabilitation Physical Therapy & Wellness in Grayslake, Illinois.

What is Mary Gretchen O Connor's office phone number?

The practice phone on file for Mary O Connor is (847) 223-8001.

What is Mary Gretchen O Connor's medical license number?

Mary O Connor holds Illinois license 070.019894.

What medical group is Mary Gretchen O Connor part of?

Mary O Connor is linked to Grayslake Rehabilitation Physical Therapy & Wellness.

Does Mary Gretchen O Connor accept Medicare?

Yes. CMS lists Mary O Connor as accepting Medicare assignment.

How many Medicare patients does Mary Gretchen O Connor see?

CMS counts 35 Medicare patients who saw Mary O Connor in 2024, with an average age of 76.

How long has Mary Gretchen O Connor been practicing?

Mary O Connor graduated from medical school in 1987, 39 years ago.

Selling to geriatrics practices?

See geriatric physical therapists in Illinois by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)