Megan O'Brien
Family Nurse Practitioner · Marion, IA
Megan O'Brien is a family nurse practitioner with a practice address in Marion, Iowa, and NPI 1760038509, issued on Aug 16, 2019. Check the license (Iowa A155600, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Megan O'Brien
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- A155600 IA
Self-reported in NPPES; status is on the state search - Practice location
- 3701 Katz Dr, Marion, IA 52302
- Phone
- (319) 377-9443
- Enumerated
- Aug 16, 2019
- Record last updated
- Jan 29, 2026
- Medicare enrollment
- Enrolled (PECOS I20191127002540); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,971 in Iowa → Look up another NPI →
Also registered at 3701 Katz Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nancy Boelter, M.D.Family Medicine Physician1629015177
- Carrie Brown-Benn, ARNPFamily Nurse Practitioner1306854781
- Timothy Formanek, PAPhysician Assistant1598718215
- Matthew Fox, MDFamily Medicine Physician1780644849
- Julie Hoffmann, NPFamily Nurse Practitioner1225004161
- Megan Iannaci, PA-CPhysician Assistant1013430925
Verify Megan O'Brien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A155600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average family nurse practitioner in 2024
626 Medicare Part D claims for 396 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone87 claims
- Cephalexin74 claims
- Doxycycline Monohydrate57 claims
- Amoxicillin-Clavulanate Potass54 claims
- Azithromycin49 claims
- Doxycycline Hyclate37 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Mercy Care Management, IncCedar Rapids, IA
- Mercy Physician Associates IncHiawatha, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Megan O'Brien among 1,971 family nurse practitioner records in Iowa
Megan O'Brien is one of 1,971 family nurse practitioner records with a practice address in Iowa. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 54% of them.
- NPI issued2019 · 54% of these records are older, 40% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2019 · median 2018 among the 1,398 with a school on file
- Record last updated2026 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 family nurse practitioner records list a practice address in Marion
They are 10 of the 260 NPPES records with a practice address in Marion, and 1,971 family nurse practitioner records in Iowa.
All 1,971 in Iowa → Every provider in Marion → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Jessel Honey Lyn BautistaMarion, IA 523021528998002
- Carrie Brown-Benn, ARNPMarion, IA 523021306854781
- Amber Green, ARNPMarion, IA 523021841947686
- Julie Hoffmann, NPMarion, IA 523021225004161
- Kim Keiser, ARNPMarion, IA 523021912425380
- Haley Lammers, DNPMarion, IA 523021588344329
- Jessica McKague, FNP-BCMarion, IA 523021497690648
- Rebekah Siegert, ARNPMarion, IA 523021447805320
Common questions
What is Megan O'Brien's NPI number?
Megan O'Brien's National Provider Identifier (NPI) is 1760038509, issued on Aug 16, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Megan O'Brien located?
The NPPES record lists a practice address at 3701 Katz Dr, Marion, IA, 52302. Phone: (319) 377-9443. Providers update this record themselves, so call before visiting.
How can I verify Megan O'Brien's license?
NPPES lists Iowa license number A155600, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Megan O'Brien prescribe under Medicare Part D?
In 2024, Megan O'Brien had 626 Medicare Part D claims for 396 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions 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.