GREGORY GRUENER (MD) – Neurology Physician, NPI 1689640138
Neurology Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,188 NEUROLOGY in IL
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Provider Addresses for GREGORY GRUENER (MD)
2160, South 1st Avenue, Maywood, Proviso Township, Cook County, Illinois, 60153, United States
MAGUIRE CENTER, RM. 2700
MAYWOOD, IL 60153
Phone: (708) 216-2662
Fax: (708) 216-5617
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)
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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: 2005-07-29
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 |
|---|---|---|---|---|
| I20050729000096 | I | Neurology | 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 |
|---|---|---|---|---|
| 95885 | Needle measurement of electrical activity in arm or leg muscles, limited study | 55 | 47 | $0 |
| 95886 | Needle measurement of electrical activity in arm or leg muscles, complete study | 38 | 37 | $0 |
| 95909 | Nerve conduction, 5-6 studies | 35 | 35 | $0 |
| 95910 | Nerve conduction, 7-8 studies | 30 | 29 | $0 |
| 95908 | Nerve conduction, 3-4 studies | 18 | 18 | $0 |
Insurance plans in this area (ZIP 60153)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NEUROLOGY | IL | 95910 | Nerve transmission studies, 7-8 studies | 12 | 12 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IL | |
| - | IL | |
| N E U R O L O G Y | IL | |
| Family Practice | IL | |
| Internal Medicine, Pediatric Medicine | IL | |
| Hospitalist, Family Practice | TX | |
| - | IL | |
| - | IL | |
| - | IL | |
| - | IL |
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