Ann Elizabeth Grimstad, ARNP
Family Nurse Practitioner · Decorah, IA
Ann Elizabeth Grimstad, ARNP is a family nurse practitioner with a practice address in Decorah, Iowa, and NPI 1912901364, issued on Jun 13, 2005. Check the license (Iowa A104292, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ann Elizabeth Grimstad
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- A104292 IA
Self-reported in NPPES; status is on the state search - Practice location
- 901 Montgomery St, Decorah, IA 52101
- Phone
- (563) 382-2911
- Enumerated
- Jun 13, 2005
- Record last updated
- Feb 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (563) 387-3102
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,971 in Iowa → Look up another NPI →
Also registered at 901 Montgomery St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lisa Barnes, MS, PA-CPhysician Assistant1265540710
- Larry Barthel, MDEmergency Medicine Physician1821079906
- Jennifer Becker, FNPNurse Practitioner1295380400
- Chelsey Bohr, PTPhysical Therapist1336786532
Verify Ann Elizabeth Grimstad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A104292Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average family nurse practitioner in 2024
1,324 Medicare Part D claims for 185 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium151 claims
- Levothyroxine Sodium95 claims
- Lisinopril54 claims
- Losartan Potassium53 claims
- Pantoprazole Sodium47 claims
- Hydrochlorothiazide46 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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Ann Elizabeth Grimstad among 1,971 family nurse practitioner records in Iowa
Ann Elizabeth Grimstad, ARNP 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2021 · 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).
8 family nurse practitioner records list a practice address in Decorah
They are 8 of the 282 NPPES records with a practice address in Decorah, and 1,971 family nurse practitioner records in Iowa.
All 1,971 in Iowa → Every provider in Decorah → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Danielle Bakewell, APNPDecorah, IA 521011972891976
- Arin Deering, ARNPDecorah, IA 521011548975014
- Rebecca Gesing, APNPDecorah, IA 521011124023833
- Carol Ludeking, FNP-BC, DNPDecorah, IA 521011891211967
- Kathy Petersburg, ARNPDecorah, IA 521011508860974
- Samantha Reicks, DNP, ARNPDecorah, IA 521011508208042
- Caitlyn Schultz, ARNPDecorah, IA 521011285215525
- Kim Chapman, RN FNPStrawberry Point, IA 520761164495602
Common questions
What is Ann Elizabeth Grimstad, ARNP's NPI number?
Ann Elizabeth Grimstad, ARNP's National Provider Identifier (NPI) is 1912901364, issued on Jun 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ann Elizabeth Grimstad, ARNP located?
The NPPES record lists a practice address at 901 Montgomery St, Decorah, IA, 52101. Phone: (563) 382-2911. Providers update this record themselves, so call before visiting.
How can I verify Ann Elizabeth Grimstad, ARNP's license?
NPPES lists Iowa license number A104292, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Ann Elizabeth Grimstad, ARNP prescribe under Medicare Part D?
In 2024, Ann Elizabeth Grimstad, ARNP had 1,324 Medicare Part D claims for 185 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Ann Elizabeth Grimstad, ARNP's MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.