MR. GRANT HOLZ (MD) – Diagnostic Radiology Physician, NPI 1083979710
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,121 DIAGNOSTIC RADIOLOGY in IL
Provider Addresses for MR. GRANT HOLZ (MD)
7435 W TALCOTT AVE
CHICAGO, IL 606313707
Phone: (877) 737-4636
Type: Location
3534 5TH AVE APT 206
SAN DIEGO, CA 921035063
Phone: (877) 737-4636
Type: Location
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: 2026-02-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 6 Medicare enrollment records; no due dates published yet.
Enrollment records
6
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 |
|---|---|---|---|---|
| I20171117002978 | I | Diagnostic Radiology | CA | TBD |
| I20180725003612 | I | Diagnostic Radiology | OH | TBD |
| I20250124001866 | I | Diagnostic Radiology | TX | TBD |
| I20250129002189 | I | Diagnostic Radiology | OR | TBD |
| I20251203001753 | I | Diagnostic Radiology | IL | TBD |
| I20260225004212 | I | Diagnostic Radiology | FL | 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 |
|---|---|---|---|---|
| 70450 | Ct scan head or brain without contrast | 197 | 197 | $0 |
| 73502 | X-ray of hip, 2-3 views | 192 | 190 | $0 |
| 73630 | X-ray of foot, minimum of 3 views | 175 | 162 | $0 |
| 73560 | X-ray of knee, 1-2 views | 163 | 148 | $0 |
| 73130 | X-ray of hand, minimum of 3 views | 136 | 128 | $0 |
Insurance plans in this area (ZIP 60631)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | VA | |
| Diagnostic Radiology, Nuclear Medicine | NJ | |
| Family Practice | IL | |
| Emergency Medicine | MO | |
| Family Practice | IL | |
| Family Practice, Peripheral Vascular Disease | IL | |
| Nurse Practitioner | IN | |
| P O D I A T R Y | IN | |
| Diagnostic Radiology | VA | |
| General Surgery | IN |
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