Lisa A. Zittergruen, M.D.
Family Medicine Physician · Decorah, IA
Lisa A. Zittergruen, M.D. is a family medicine physician with a practice address in Decorah, Iowa, and NPI 1043446149, issued on Jun 3, 2009. Check the license (Iowa MD-39307, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Lisa A. Zittergruen
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD-39307 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 3, 2009
- Record last updated
- Mar 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (563) 382-4143
- Medicare enrollment
- Enrolled (PECOS I20161228000346); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 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.
- Lydia AdamsCertified Registered Nurse Anesthetist1538584131
- Sarah Anderson, PT, DPT, SCSPhysical Therapist1518293091
- Lisa Barnes, MS, PA-CPhysician Assistant1265540710
- Larry Barthel, MDEmergency Medicine Physician1821079906
- Jennifer Becker, FNPNurse Practitioner1295380400
- Chelsey Bohr, PTPhysical Therapist1336786532
Verify Lisa A. Zittergruen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-39307Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average family medicine physician in 2024
3,898 Medicare Part D claims for 280 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 45 claims were for opioids.
Most prescribed
- Atorvastatin Calcium278 claims
- Levothyroxine Sodium197 claims
- Losartan Potassium183 claims
- Amlodipine Besylate151 claims
- Lisinopril150 claims
- Metoprolol Succinate147 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.
Bills Medicare through one group practice
- Winneshiek Medical CenterWest Union, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lisa A. Zittergruen among 2,336 family medicine physician records in Iowa
Lisa A. Zittergruen, M.D. is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2009 · median 2006 among the 1,367 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 family medicine physician records list a practice address in Decorah
They are 25 of the 282 NPPES records with a practice address in Decorah, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Decorah → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Anthony Coppola, DODecorah, IA 521011467568766
- Tedd Gentry, M.D.Decorah, IA 521011902804529
- Andy Goodner, MDDecorah, IA 521011548214190
- Kevin Locke, M.D.Decorah, IA 521011427052877
- James Ott, M.D.Decorah, IA 521011871572057
- Paul Pellett, MDDecorah, IA 521011689676926
- Max Quaas, M.D.Decorah, IA 521011649237298
- Janet Ryan, MDDecorah, IA 521011972507895
Common questions
What is Lisa A. Zittergruen, M.D.'s NPI number?
Lisa A. Zittergruen, M.D.'s National Provider Identifier (NPI) is 1043446149, issued on Jun 3, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Lisa A. Zittergruen, M.D. 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 Lisa A. Zittergruen, M.D.'s license?
NPPES lists Iowa license number MD-39307, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lisa A. Zittergruen, M.D. prescribe under Medicare Part D?
In 2024, Lisa A. Zittergruen, M.D. had 3,898 Medicare Part D claims for 280 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.