Mary K. Lehnen, DPT
- Medicare patients, 2024
- 56
- Affiliated sites
- 3
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 4273 Keaton Crossing Blvd, O Fallon, MO 63368
- Practice phone
- Call (636) 206-4225
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Axes Physical Therapy - O Fallon
Therapy Group Practice · O Fallon, Missouri
Find Mary Lehnen'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.
Mary K. Lehnen is a physical therapist in O Fallon, Missouri
Mary Lehnen practices at Axes Physical Therapy - O Fallon in O Fallon, Missouri.
Mary Lehnen's NPI, 1689215642, was assigned on October 1, 2019. Mary Lehnen holds Illinois license 70024948.
- NPI
- 1689215642NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042647703
- NPI enumeration date
- October 1, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (636) 206-4225
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary K. Lehnen practices at Axes Physical Therapy - O Fallon in O Fallon, Missouri
Mary Lehnen's primary practice is Axes Physical Therapy - O Fallon, at 4273 Keaton Crossing Blvd, O Fallon, MO 63368. The practice phone is (636) 206-4225.
- Axes Physical Therapy - O Fallon4273 Keaton Crossing Blvd, O Fallon, MO 63368Phone(636) 206-4225
Source: Dmand AI Affiliation Data
Mary K. Lehnen is affiliated with 3 sites of care and 2 medical groups
Mary Lehnen's primary practice is Axes Physical Therapy - O Fallon in O Fallon, Missouri. The medical group on file is Axes Physical Therapy. Dmand AI also links Mary Lehnen to 2 more group practices and clinics and 1 medical group, each named with a free account. Mary Lehnen's employer is on file too: a physical therapy & rehab clinic.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary K. Lehnen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Lehnen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Axes Physical Therapy - O Fallon | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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 K. Lehnen is one of 1,880 physical therapists in Missouri
Physical therapist is Mary Lehnen's primary specialty in the NPI Registry, under taxonomy code 225100000X. Mary Lehnen is licensed in Illinois.
Specialties and state licenses
- Physical therapist, IllinoisPrimary
Physical therapists near Mary Lehnen
Counts of physical therapists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Mary K. Lehnen treated 56 Medicare patients in 2024, average age 74
CMS counts 56 Medicare patients who saw Mary Lehnen in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.33, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Mary Lehnen's median patient age at 39, with 51% women.
Mary Lehnen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mary Lehnen's Medicare patients by sex, 2024
- Women2952%
- Men2748%
Chronic conditions among Mary Lehnen's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes39%
- Mood disorders32%
- Depression30%
- Anxiety29%
- Ischemic heart disease27%
Share of Medicare patients with each condition. A patient can have several.
Mary Lehnen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Mary K. Lehnen takes part in Medicare
Mary Lehnen 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 K. Lehnen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Mary K. Lehnen
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 K. Lehnen's NPI number?
Mary K. Lehnen's NPI number is 1689215642. It was assigned on October 1, 2019, and it is active in the NPI Registry.
What does Mary K. Lehnen specialize in?
Mary K. Lehnen is a physical therapist in O Fallon, Missouri. The primary specialty in the NPI Registry is Physical Therapist (taxonomy code 225100000X).
Where does Mary K. Lehnen practice?
Mary Lehnen practices at 4273 Keaton Crossing Blvd, O Fallon, MO 63368. Mary Lehnen's primary practice is Axes Physical Therapy - O Fallon in O Fallon, Missouri. Dmand AI also links Mary Lehnen to 2 group practices and clinics and 1 medical group.
What is Mary K. Lehnen's office phone number?
The practice phone on file for Mary Lehnen is (636) 206-4225.
What is Mary K. Lehnen's medical license number?
Mary Lehnen holds Illinois license 70024948.
What medical group is Mary K. Lehnen part of?
Mary Lehnen is linked to Axes Physical Therapy. Dmand AI links Mary Lehnen to 1 more medical group.
Does Mary K. Lehnen accept Medicare?
Yes. CMS lists Mary Lehnen as accepting Medicare assignment.
How many Medicare patients does Mary K. Lehnen see?
CMS counts 56 Medicare patients who saw Mary Lehnen in 2024, with an average age of 74.
How long has Mary K. Lehnen been practicing?
Mary Lehnen graduated from medical school in 2019, 7 years ago.
Selling to physical therapist practices?
See physical therapists in Missouri 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