Margaret Susan Guither, ARNP
Family Nurse Practitioner · Iowa City, IA
Margaret Susan Guither, ARNP is a family nurse practitioner with a practice address in Iowa City, Iowa, and NPI 1881747897, issued on Jan 21, 2007. Check the license (Iowa A073629, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Susan Guither
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- A073629 IA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 356-1091
- Enumerated
- Jan 21, 2007
- Record last updated
- Dec 18, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 1,971 in Iowa → Look up another NPI →
Also registered at 200 Hawkins Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Margaret Susan Guither in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license A073629Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family nurse practitioner in 2024
70 Medicare Part D claims for 13 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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.
Margaret Susan Guither among 1,971 family nurse practitioner records in Iowa
Margaret Susan Guither, 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 2007, is newer than 9% of them.
- NPI issued2007 · 9% of these records are older, 89% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2013 · 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).
138 family nurse practitioner records list a practice address in Iowa City
They are 138 of the 7,163 NPPES records with a practice address in Iowa City, and 1,971 family nurse practitioner records in Iowa.
All 1,971 in Iowa → Every provider in Iowa City → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Bethany BryantIowa City, IA 522421992980098
- Teresa Coker, APRN, BCIowa City, IA 522421376736058
- Megan Davis-De Geus, ARNPIowa City, IA 522421093043580
- Cynthia Deschenes, ARNPIowa City, IA 522421306079900
- Heidi Flamming, NPIowa City, IA 522421225107030
- Aimee Foster, A.R.N.P.Iowa City, IA 522421720279086
- Emily Griffin, FNP-CIowa City, IA 522421952566390
- Michele Jones-McLeod, A.R.N.P.Iowa City, IA 522421255316923
Common questions
What is Margaret Susan Guither, ARNP's NPI number?
Margaret Susan Guither, ARNP's National Provider Identifier (NPI) is 1881747897, issued on Jan 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Susan Guither, ARNP located?
The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-1091. Providers update this record themselves, so call before visiting.
How can I verify Margaret Susan Guither, ARNP's license?
NPPES lists Iowa license number A073629, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Susan Guither, ARNP prescribe under Medicare Part D?
In 2024, Margaret Susan Guither, ARNP had 70 Medicare Part D claims for 13 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.