THERESA HALLENGREN (ARNP-FNP-BC) – Primary Care Nurse Practitioner, NPI 1861161267
Primary Care Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,529 NURSE PRACTITIONER in IA
Provider Addresses for THERESA HALLENGREN (ARNP-FNP-BC)
6825 DEVONSHIRE DR NE
CEDAR RAPIDS, IA 524021403
Phone: (563) 889-0600
Type: Mailing
5264 COUNCIL ST NE STE 100
CEDAR RAPIDS, IA 524022499
Phone: (319) 221-8444
Type: Location
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: 2021-10-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20211013001118 | I | Nurse Practitioner | IA | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 210 | 188 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 64 | 64 | $0 |
| 87880 | Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 45 | 44 | $0 |
| 81002 | Urinalysis, manual test | 40 | 40 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 13 | 13 | $0 |
Insurance plans in this area (ZIP 52402)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | IA | |
| Nurse Practitioner | IA | |
| Nurse Practitioner | IA | |
| Family Practice | IA | |
| Nurse Practitioner | IA | |
| Nurse Practitioner | IA | |
| Family Practice | IA | |
| Nurse Practitioner | IA | |
| Family Practice | IA | |
| - | IA |
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