NATHAN MIKAEL HARMON – Emergency Medicine Physician, NPI 1790944999
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
483 EMERGENCY MEDICINE in IA
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Provider Addresses for NATHAN MIKAEL HARMON
1215, Amelia Drive, Cedar Falls, Black Hawk County, Iowa, 50613, United States
APT 2
CEDAR FALLS, IA 506137982
Phone: (319) 330-9145
Type: Location
MercyOne Waterloo Medical Center, 3421, West 9th Street, Waterloo, Black Hawk County, Iowa, 50702, United States
WATERLOO, IA 507025401
Phone: (319) 330-9145
Type: Mailing
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: 2011-01-28
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 |
|---|---|---|---|---|
| I20110128000816 | I | Emergency Medicine | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 134 | 130 | $0 |
| 99291 | Critical care, first 30-74 minutes | 22 | 21 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 20 | 20 | $0 |
Insurance plans in this area (ZIP 50613)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hematology/Oncology, Internal Medicine | IA | |
| Nurse Practitioner | IA | |
| N E U R O L O G Y | IL | |
| Family Practice | IA | |
| Nurse Practitioner | IA | |
| Physician Assistant | IA | |
| Physician Assistant | IA | |
| Family Practice, Emergency Medicine | IA | |
| Nurse Practitioner | IA | |
| Orthopedic Surgery | IA |
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