Haley Joy Lammers, DNP
Family Nurse Practitioner · Marion, IA
Haley Joy Lammers, DNP is a family nurse practitioner with a practice address in Marion, Iowa, and NPI 1588344329, issued on Jul 18, 2023. Check the license (Iowa A175489, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Haley Joy Lammers
- Credential
- DNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- A175489 IA
Self-reported in NPPES; status is on the state search - Practice location
- 3701 Katz Dr, Marion, IA 52302
- Phone
- (319) 373-3022
- Enumerated
- Jul 18, 2023
- Record last updated
- Jul 27, 2023
- 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 Haley Joy Lammers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A175489Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average family nurse practitioner in 2024
498 Medicare Part D claims for 371 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone104 claims
- Doxycycline Monohydrate65 claims
- Azithromycin44 claims
- Cephalexin41 claims
- Amoxicillin-Clavulanate Potass35 claims
- Nitrofurantoin Mono-Macro30 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.
Industry payments in 2024: $23.27
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Haley Joy Lammers among 1,971 family nurse practitioner records in Iowa
Haley Joy Lammers, DNP 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 2023, is newer than 81% of them.
- NPI issued2023 · 81% of these records are older, 14% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2023 · 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
- Jessica McKague, FNP-BCMarion, IA 523021497690648
- Megan O'BrienMarion, IA 523021760038509
- Rebekah Siegert, ARNPMarion, IA 523021447805320
Common questions
What is Haley Joy Lammers, DNP's NPI number?
Haley Joy Lammers, DNP's National Provider Identifier (NPI) is 1588344329, issued on Jul 18, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Haley Joy Lammers, DNP located?
The NPPES record lists a practice address at 3701 Katz Dr, Marion, IA, 52302. Phone: (319) 373-3022. Providers update this record themselves, so call before visiting.
How can I verify Haley Joy Lammers, DNP's license?
NPPES lists Iowa license number A175489, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Haley Joy Lammers, DNP prescribe under Medicare Part D?
In 2024, Haley Joy Lammers, DNP had 498 Medicare Part D claims for 371 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.