ERIC JAMES NILLES (MD) – Emergency Medical Services (Emergency Medicine) Physician, NPI 1124007109
Emergency Medical Services (Emergency Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
483 EMERGENCY MEDICINE in IA
Provider Addresses for ERIC JAMES NILLES (MD)
200 Hawkins Dr
Iowa City, IA 522421009
Phone: (319) 356-6360
Fax: (319) 384-9184
Type: Location
43, Hancock Street, Lexington, Middlesex County, Massachusetts, 02420, United States
LEXINGTON, MA 024203433
Phone: (781) 995-7077
Type: Mailing
Brigham and Women's Hospital, 75, Francis Street, Roxbury, Boston, Suffolk County, Massachusetts, 02115, United States
BOSTON, MA 021156106
Phone: (781) 995-7077
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $982.
Total Amount is formed as General ($982) + Research ($0) + Ownership ($0) = $982.
Last reported payment date: 2023-11-27 • Largest payer in this snapshot: ROCHE DIAGNOSTICS INTERNATIONAL LTD ($982).
Total Amount
$982
General + Research + Ownership
Payments
1
Total payment records
General Amount
$982
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-11-27
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ROCHE DIAGNOSTICS INTERNATIONAL LTD | $982 |
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: 2017-08-14
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 |
|---|---|---|---|---|
| I20170814000812 | I | Emergency Medicine | MA | 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 | 197 | 194 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 57 | 57 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 28 | 28 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 19 | 19 | $0 |
| 99291 | Critical care, first 30-74 minutes | 18 | 18 | $0 |
Insurance plans in this area (ZIP 52242)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O S U R G E R Y | MD | |
| - | MA | |
| Critical Care (Intensivists), Pulmonary Disease | FL | |
| Physician Assistant | MA | |
| N E U R O L O G Y | MA | |
| Nurse Practitioner | MA | |
| Orthopedic Surgery | MA | |
| Physician Assistant | NH | |
| Nurse Practitioner | MA | |
| P A T H O L O G Y | MA |
Reviews
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