Marsha Kay Haar, FNP-C
Family Nurse Practitioner · Spirit Lake, IA
Marsha Kay Haar, FNP-C is a family nurse practitioner with a practice address in Spirit Lake, Iowa, and NPI 1871974717, issued on Jun 16, 2015. Check the license (Iowa A139785, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marsha Kay Haar
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- A139785 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2700 23RD St, Spirit Lake, IA 51360
- Phone
- (712) 336-2410
- Enumerated
- Jun 16, 2015
- Record last updated
- Feb 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20150811004112); 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 2700 23RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Baskerville, M.D.Family Medicine Physician1770554925
- Jeremy Bolluyt, D.O.Family Medicine Physician1760452205
- Zachary Borus, MDFamily Medicine Physician1164666277
- Steven Carlson, D.O.Family Medicine Physician1861462350
- Brian Ford, M.D.Family Medicine Physician1447220116
- Jeffrey Goerss, M.D.Family Medicine Physician1205806817
Verify Marsha Kay Haar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A139785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average family nurse practitioner in 2024
3,479 Medicare Part D claims for 352 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Levothyroxine Sodium226 claims
- Rosuvastatin Calcium146 claims
- Omeprazole130 claims
- Atorvastatin Calcium115 claims
- Lisinopril102 claims
- Metformin Hcl100 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.
One hospital affiliation
- Lakes Regional HealthcareSpirit Lake, IA · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Marsha Kay Haar among 1,971 family nurse practitioner records in Iowa
Marsha Kay Haar, FNP-C 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 2015, is newer than 30% of them.
- NPI issued2015 · 30% of these records are older, 64% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2015 · median 2018 among the 1,398 with a school on file
- Record last updated2025 · 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).
7 family nurse practitioner records list a practice address in Spirit Lake
They are 7 of the 144 NPPES records with a practice address in Spirit Lake, and 1,971 family nurse practitioner records in Iowa.
All 1,971 in Iowa → Every provider in Spirit Lake → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- William Knoer, ARNPSpirit Lake, IA 513601033731187
- Jessica Reinking, ARNPSpirit Lake, IA 513601346891926
- Kelsey SchmidtSpirit Lake, IA 513601366286015
- Nicole Stall, NP-CSpirit Lake, IA 513601346572518
- Ami Swanson, FNP-CSpirit Lake, IA 513601063137529
- Susan Willette, NPSpirit Lake, IA 513601841302759
- Elizabeth Stokke, FNP-CLake Park, IA 513471295459394
- Karen Pennings, CNPEstherville, IA 513341588660203
Common questions
What is Marsha Kay Haar, FNP-C's NPI number?
Marsha Kay Haar, FNP-C's National Provider Identifier (NPI) is 1871974717, issued on Jun 16, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Marsha Kay Haar, FNP-C located?
The NPPES record lists a practice address at 2700 23RD St, Spirit Lake, IA, 51360. Phone: (712) 336-2410. Providers update this record themselves, so call before visiting.
How can I verify Marsha Kay Haar, FNP-C's license?
NPPES lists Iowa license number A139785, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Marsha Kay Haar, FNP-C prescribe under Medicare Part D?
In 2024, Marsha Kay Haar, FNP-C had 3,479 Medicare Part D claims for 352 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.