LISA A. ZITTERGRUEN (M.D.) – Family Medicine Physician, NPI 1043446149
Family Medicine Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,656 FAMILY PRACTICE in IA
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Provider Addresses for LISA A. ZITTERGRUEN (M.D.)
Winneshiek Medical Center, 901, Montgomery Street, Decorah, Winneshiek County, Iowa, 52101, United States of America
DECORAH, IA 521012325
Phone: (563) 382-2911
Fax: (563) 382-4143
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2023-02-17
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20161228000346 | I | Family Practice | IA | TBD |
| I20230217002507 | I | Family Practice | MN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 51 | 29 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 33 | 33 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 29 | 28 | $0 |
| 99309 | Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 23 | 15 | $0 |
Insurance plans in this area (ZIP 52101)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| FAMILY MEDICINE | IA | 83036 | Hemoglobin A1C level | 35 | 22 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | FL | |
| - | MN | |
| Family Practice | IA | |
| O P H T H A L M O L O G Y | MN | |
| - | MO | |
| Family Practice | IA | |
| Physical Therapist In Private Practice | MO | |
| - | IA | |
| Qualified Audiologist | IA | |
| Nurse Practitioner | IA |
Reviews
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