DR. NATHAN J HAHN (M.D.) – Anesthesiology Physician, NPI 1124283114
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,633 ANESTHESIOLOGY in IL
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Provider Addresses for DR. NATHAN J HAHN (M.D.)
2202, Harlem Road, Harlem, Loves Park, Winnebago County, Illinois, 61111, United States
SUITE 200
LOVES PARK, IL 611112754
Phone: (815) 877-4848
Fax: (815) 654-5342
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)
CMS reports 7 Open Payments records for all available years, with a total value of $796.
Total Amount is formed as General ($796) + Research ($0) + Ownership ($0) = $796.
Last reported payment date: 2024-10-28 • Largest payer in this snapshot: Medtronic, Inc. ($690).
Total Amount
$796
General + Research + Ownership
Payments
7
Total payment records
General Amount
$796
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-28
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $690 |
| Merck Sharp & Dohme LLC | $106 |
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: 2025-02-05
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 |
|---|---|---|---|---|
| I20120816000042 | I | Anesthesiology | IL | TBD |
| I20250205000573 | I | Anesthesiology | IN | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 61111)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | IL | 36620 | Insertion of arterial catheter for blood sampling or infusion, accessed through the skin | 27 | 26 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Anesthesiology Assistant | OH | |
| A N E S T H E S I O L O G Y | IN | |
| Anesthesiology Assistant | NC | |
| Certified Registered Nurse Anesthetist (Crna) | IN | |
| Anesthesiology Assistant | IN | |
| Anesthesiology Assistant | NV | |
| - | IN | |
| Certified Registered Nurse Anesthetist (Crna) | MO | |
| Anesthesiology Assistant | IN | |
| A N E S T H E S I O L O G Y | IN |
Reviews
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