DR. GREGORY J FAHRENBACH (MD) – Orthopaedic Trauma Physician, NPI 1861475964
Orthopaedic Trauma Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. GREGORY J FAHRENBACH (MD)
7447, West Talcott Avenue, Norwood Park, Chicago, Jefferson Township, Cook County, Illinois, 60631, United States
SUITE 500 NORTHWEST ORTHOPAEDIC ASSOCIATES LTD
CHICAGO, IL 606313745
Phone: (773) 631-7898
Fax: (773) 631-3005
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.
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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: 2010-06-12
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 |
|---|---|---|---|---|
| I20100612000127 | I | Orthopedic Surgery | IL | 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 | 99 | 66 | $0 |
| J1030 | Injection, methylprednisolone acetate, 40 mg | 56 | 40 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 46 | 37 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 44 | 39 | $0 |
| 73564 | X-ray of knee, 4 or more views | 41 | 36 | $0 |
Insurance plans in this area (ZIP 60631)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ORTHOPEDIC SURGERY | IL | 73562 | X-ray of knee, 3 views | 36 | 34 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physical Therapist In Private Practice | IL | |
| Sports Medicine, Orthopedic Surgery | IL | |
| Physician Assistant | IL | |
| - | IL | |
| Physical Therapist In Private Practice | IL | |
| Physician Assistant | IL | |
| Orthopedic Surgery | IL | |
| Physician Assistant | IL | |
| Orthopedic Surgery | IL | |
| Physician Assistant | IL |
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