Mollie Ruth O'Brien, ARNP
- Part D claims, 2024
- 186
- Hospital affiliations
- 2
- Industry payments
- $16
- Medical groups
- 2
- Year NPI issued
- 2020
- Practice address
- 120 S Story St, Boone, IA 50036
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Boone Co Family Medicine North Walk in Clinic - Walk in Clinic - HOPD
Critical Access Hospital · Boone, Iowa
Find Mollie O'Brien'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.
Mollie Ruth O'Brien is a family nurse practitioner in Boone, Iowa
Mollie O'Brien practices at Boone Co Family Medicine North Walk in Clinic - Walk in Clinic - HOPD in Boone, Iowa.
Mollie O'Brien's NPI, 1255958427, was assigned on July 2, 2020.
- NPI
- 1255958427NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830516749
- NPI enumeration date
- July 2, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mollie Ruth O'Brien practices at Boone Co Family Medicine North Walk in Clinic - Walk in Clinic - HOPD in Boone, Iowa
Mollie O'Brien's primary practice is Boone Co Family Medicine North Walk in Clinic - Walk in Clinic - HOPD, at 120 S Story St, Boone, IA 50036.
- Boone Co Family Medicine North Walk in Clinic - Walk in Clinic - HOPD120 S Story St, Boone, IA 50036
Source: Dmand AI Affiliation Data
Mollie Ruth O'Brien is affiliated with 4 sites of care and 2 medical groups
Mollie O'Brien's primary practice is Boone Co Family Medicine North Walk in Clinic - Walk in Clinic - HOPD in Boone, Iowa. Mollie O'Brien is also affiliated with Boone County Hospital. The medical group on file is Boone County Hospital. Dmand AI also links Mollie O'Brien to 2 more group practices and clinics and 1 medical group, each named with a free account. Mollie O'Brien's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Mollie Ruth O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mollie O'Brien practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boone Co Family Medicine North Walk in Clinic - Walk in Clinic - HOPD | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Mollie Ruth O'Brien is one of 1,785 family nurse practitioners in Iowa
Family is Mollie O'Brien's primary specialty in the NPI Registry, under taxonomy code 363LF0000X.
Specialties and state licenses
- Family nurse practitionerPrimary
Family nurse practitioners near Mollie O'Brien
Counts of family 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
Mollie Ruth O'Brien's patients have a median age of 34
Across all payers, Dmand AI patient panel data puts Mollie O'Brien's median patient age at 34, with 53% women.
Mollie O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 34
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
Mollie Ruth O'Brien wrote 186 Medicare Part D claims in 2024
In 2024, Mollie O'Brien wrote 186 Medicare Part D claims for 28 patients. 97% of them were for generic drugs.
Mollie O'Brien's Part D claims by kind of drug, 2024
- Generic181 claims97%
- Brand-name and other5 claims3%
Drug classes CMS tracks in Mollie O'Brien's Part D claims, 2024
- Antibiotics6%12 of 186 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Mollie Ruth O'Brien takes part in Medicare
Mollie O'Brien 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)
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Mollie Ruth O'Brien received $16 in industry payments in 2025
CMS Open Payments shows 1 general payment to Mollie O'Brien from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $16.
Companies that paid Mollie O'Brien 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 Mollie Ruth O'Brien'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 Data |
| 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 Mollie Ruth O'Brien
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What is Mollie Ruth O'Brien's NPI number?
Mollie Ruth O'Brien's NPI number is 1255958427. It was assigned on July 2, 2020, and it is active in the NPI Registry.
What does Mollie Ruth O'Brien specialize in?
Mollie Ruth O'Brien is a family nurse practitioner in Boone, Iowa. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Mollie Ruth O'Brien practice?
Mollie O'Brien practices at 120 S Story St, Boone, IA 50036. Mollie O'Brien's primary practice is Boone Co Family Medicine North Walk in Clinic - Walk in Clinic - HOPD in Boone, Iowa. Dmand AI also links Mollie O'Brien to 2 group practices and clinics and 1 medical group.
Which hospitals is Mollie Ruth O'Brien affiliated with?
Mollie O'Brien is affiliated with Boone County Hospital. Dmand AI links Mollie O'Brien to 1 more hospital.
What medical group is Mollie Ruth O'Brien part of?
Mollie O'Brien is linked to Boone County Hospital. Dmand AI links Mollie O'Brien to 1 more medical group.
Does Mollie Ruth O'Brien accept Medicare?
Yes. CMS lists Mollie O'Brien as accepting Medicare assignment.
Has Mollie Ruth O'Brien received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Mollie O'Brien from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Mollie Ruth O'Brien been practicing?
Mollie O'Brien graduated from medical school in 2020, 6 years ago.
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