Ann Elizabeth Grimstad, ARNP
- Part D claims, 2024
- 1,324
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 901 Montgomery Street, Decorah, IA 52101
- Practice phone
- Call (563) 382-2911
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Ann Grimstad's professional email, personal email and mobile number
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Ann Elizabeth Grimstad is a family nurse practitioner in Decorah, Iowa
Ann Grimstad practices at WinnMed in Decorah, Iowa, part of State of Iowa.
Ann Grimstad's NPI, 1912901364, was assigned on June 13, 2005. Ann Grimstad holds Iowa license A104292.
- NPI
- 1912901364NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890755367
- NPI enumeration date
- June 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (563) 382-2911
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ann Elizabeth Grimstad practices at WinnMed in Decorah, Iowa
Ann Grimstad's primary practice is WinnMed, at 901 Montgomery Street, Decorah, IA 52101 in Winneshiek County. The practice phone is (563) 382-2911.
- WinnMed901 Montgomery Street, Decorah, IA 52101 · Winneshiek CountyPhone(563) 382-2911
Source: Dmand AI Affiliation Data
Ann Elizabeth Grimstad is affiliated with 3 sites of care and 1 medical group
Ann Grimstad's primary practice is WinnMed in Decorah, Iowa, part of State of Iowa. The medical group on file is WinnMed. Dmand AI also links Ann Grimstad to 1 more home health agency and 1 therapy and rehab clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Ann Elizabeth Grimstad's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ann Grimstad practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| WinnMed | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Ann Elizabeth Grimstad is one of 1,785 family nurse practitioners in Iowa
Family is Ann Grimstad's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Ann Grimstad is licensed in Iowa.
Specialties and state licenses
- Family nurse practitioner, IowaPrimary
Family nurse practitioners near Ann Grimstad
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
Ann Elizabeth Grimstad's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Ann Grimstad's median patient age at 72, with 76% women.
Ann Grimstad's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women76%
- Men24%
Source: Dmand AI Patient Panel Data
Ann Elizabeth Grimstad wrote 1,324 Medicare Part D claims in 2024
In 2024, Ann Grimstad wrote 1,324 Medicare Part D claims for 185 patients. 85% of them were for generic drugs.
Ann Grimstad's Part D claims by kind of drug, 2024
- Generic1,129 claims85%
- Brand-name and other195 claims15%
Drug classes CMS tracks in Ann Grimstad's Part D claims, 2024
- Opioids1%16 of 1,324 claims
- Antibiotics3%46 of 1,324 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 Ann Elizabeth Grimstad takes part in Medicare
Ann Grimstad 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)
For MedTech and pharma teams
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Sources for Ann Elizabeth Grimstad'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 DataDmand AI Org Hierarchy 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) |
| 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 Ann Elizabeth Grimstad
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ann Elizabeth Grimstad's NPI number?
Ann Elizabeth Grimstad's NPI number is 1912901364. It was assigned on June 13, 2005, and it is active in the NPI Registry.
What does Ann Elizabeth Grimstad specialize in?
Ann Elizabeth Grimstad is a family nurse practitioner in Decorah, Iowa. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Ann Elizabeth Grimstad practice?
Ann Grimstad practices at 901 Montgomery Street, Decorah, IA 52101. Ann Grimstad's primary practice is WinnMed in Decorah, Iowa, part of State of Iowa. Dmand AI also links Ann Grimstad to 1 home health agency and 1 therapy and rehab clinic.
What is Ann Elizabeth Grimstad's office phone number?
The practice phone on file for Ann Grimstad is (563) 382-2911.
What is Ann Elizabeth Grimstad's medical license number?
Ann Grimstad holds Iowa license A104292.
Which hospitals is Ann Elizabeth Grimstad affiliated with?
Ann Grimstad practices at WinnMed in Decorah, Iowa.
What medical group is Ann Elizabeth Grimstad part of?
Ann Grimstad is linked to WinnMed.
Does Ann Elizabeth Grimstad accept Medicare?
Yes. CMS lists Ann Grimstad as accepting Medicare assignment.
How long has Ann Elizabeth Grimstad been practicing?
Ann Grimstad graduated from medical school in 2003, 23 years ago.
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