Elizabeth J. Vollmar, FNP-C
- Medicare patients, 2024
- 25
- Part D claims, 2024
- 160
- Hospital affiliations
- 3
- Industry payments
- $122
- Medical group
- 1
- Practice address
- 1101 Highway K, O Fallon, MO 63366
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SSM Health Medical Group Ofallon - HOPD
Inpatient Rehabilitation Facility · O Fallon, Missouri
Find Elizabeth Vollmar'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.
Elizabeth J. Vollmar is a nurse practitioner in O Fallon, Missouri
Elizabeth Vollmar practices at SSM Health Medical Group Ofallon - HOPD in O Fallon, Missouri.
Elizabeth Vollmar's NPI, 1124490107, was assigned on October 29, 2015. Elizabeth Vollmar holds Missouri license 2015037598.
- NPI
- 1124490107NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345541231
- NPI enumeration date
- October 29, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Elizabeth J. Vollmar practices at SSM Health Medical Group Ofallon - HOPD in O Fallon, Missouri
Elizabeth Vollmar's primary practice is SSM Health Medical Group Ofallon - HOPD, at 1101 Highway K, O Fallon, MO 63366.
- SSM Health Medical Group Ofallon - HOPD1101 Highway K, O Fallon, MO 63366
Source: Dmand AI Affiliation Data
Elizabeth J. Vollmar is affiliated with 5 sites of care and 1 medical group
Elizabeth Vollmar's primary practice is SSM Health Medical Group Ofallon - HOPD in O Fallon, Missouri. Elizabeth Vollmar is also affiliated with SSM Health St. Joseph Hospital - St. Charles. The medical group on file is SSM Health Medical Group. Dmand AI also links Elizabeth Vollmar to 1 more hospital, 1 group practice or clinic and 1 hospital outpatient department, each named with a free account. Elizabeth Vollmar's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Elizabeth J. Vollmar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Elizabeth Vollmar practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health Medical Group Ofallon - HOPD | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Elizabeth J. Vollmar is one of 1,347 nurse practitioners in Missouri
Nurse practitioner is Elizabeth Vollmar's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Elizabeth Vollmar is licensed in Missouri.
Specialties and state licenses
- Nurse practitioner, MissouriPrimary
Nurse practitioners near Elizabeth Vollmar
Counts of nurse practitioners 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
Elizabeth J. Vollmar treated 25 Medicare patients in 2024, average age 68
CMS counts 25 Medicare patients who saw Elizabeth Vollmar in 2024. The largest group is 65 to 74, with 13 patients. 75% of them have high cholesterol, and 68% have high blood pressure. Their average risk score is 1.57, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Elizabeth Vollmar's median patient age at 43, with 99% women.
Elizabeth Vollmar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Elizabeth Vollmar's Medicare patients, 2024
- High cholesterol75%
- High blood pressure68%
Share of Medicare patients with each condition. A patient can have several.
Elizabeth Vollmar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Elizabeth J. Vollmar wrote 160 Medicare Part D claims in 2024
In 2024, Elizabeth Vollmar wrote 160 Medicare Part D claims for 61 patients. 81% of them were for generic drugs.
Elizabeth Vollmar's Part D claims by kind of drug, 2024
- Generic129 claims81%
- Brand-name31 claims19%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Elizabeth J. Vollmar takes part in Medicare
Elizabeth Vollmar 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)
For MedTech and pharma teams
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Elizabeth J. Vollmar received $122 in industry payments in 2025
CMS Open Payments shows 1 general payment to Elizabeth Vollmar from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Mayne Pharma Inc. paid the most, $122.
Companies that paid Elizabeth Vollmar the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Elizabeth J. Vollmar'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 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) |
| Part D prescribing | Medicare Part D Prescribers - 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) |
| Industry payments | Open Payments (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 Elizabeth J. Vollmar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Elizabeth J. Vollmar's NPI number?
Elizabeth J. Vollmar's NPI number is 1124490107. It was assigned on October 29, 2015, and it is active in the NPI Registry.
What does Elizabeth J. Vollmar specialize in?
Elizabeth J. Vollmar is a nurse practitioner in O Fallon, Missouri. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Elizabeth J. Vollmar practice?
Elizabeth Vollmar practices at 1101 Highway K, O Fallon, MO 63366. Elizabeth Vollmar's primary practice is SSM Health Medical Group Ofallon - HOPD in O Fallon, Missouri. Dmand AI also links Elizabeth Vollmar to 1 hospital, 1 group practice or clinic and 1 hospital outpatient department.
What is Elizabeth J. Vollmar's medical license number?
Elizabeth Vollmar holds Missouri license 2015037598.
Which hospitals is Elizabeth J. Vollmar affiliated with?
Elizabeth Vollmar is affiliated with SSM Health St. Joseph Hospital - St. Charles. Dmand AI links Elizabeth Vollmar to 2 more hospitals.
What medical group is Elizabeth J. Vollmar part of?
Elizabeth Vollmar is linked to SSM Health Medical Group.
Does Elizabeth J. Vollmar accept Medicare?
Yes. CMS lists Elizabeth Vollmar as accepting Medicare assignment.
How many Medicare patients does Elizabeth J. Vollmar see?
CMS counts 25 Medicare patients who saw Elizabeth Vollmar in 2024, with an average age of 68.
Has Elizabeth J. Vollmar received payments from drug or device companies?
CMS Open Payments shows $122 in general payments to Elizabeth Vollmar from 1 company from 2025 to 2025. The largest total came from Mayne Pharma Inc.
How long has Elizabeth J. Vollmar been practicing?
Elizabeth Vollmar graduated from medical school in 2015, 11 years ago.
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