DR. DONALD JOSEPH GRUNZ (M.D.) – Diagnostic Radiology Physician, NPI 1629031141
Diagnostic Radiology Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,218 DIAGNOSTIC RADIOLOGY in MO
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Provider Addresses for DR. DONALD JOSEPH GRUNZ (M.D.)
11475, Olde Cabin Road, Creve Coeur Executive Office Park, Creve Coeur, Saint Louis County, Missouri, 63141, United States
SUITE200
SAINT LOUIS, MO 631417128
Phone: (314) 991-8200
Fax: (314) 991-8206
Type: Mailing
Saint Johns Mercy Medical Center, 615, South New Ballas Road, Creve Coeur, Saint Louis County, Missouri, 63141, United States
DEPT OF RADIOLOGY
SAINT LOUIS, MO 631418221
Phone: (314) 251-6031
Fax: (314) 251-6343
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: 2004-01-30
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 |
|---|---|---|---|---|
| I20040130000181 | I | Diagnostic Radiology | MO | 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 |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 360 | 338 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 230 | 226 | $0 |
| 71260 | Ct scan of chest with contrast | 126 | 121 | $0 |
| 71046 | X-ray of chest, 2 views | 121 | 121 | $0 |
| 74018 | X-ray of abdomen, 1 view | 115 | 102 | $0 |
Insurance plans in this area (ZIP 63141)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | MO | 73110 | X-ray of wrist, minimum of 3 views | 19 | 19 |
| DIAGNOSTIC RADIOLOGY | MO | 73562 | X-ray of knee, 3 views | 33 | 32 |
| DIAGNOSTIC RADIOLOGY | MO | 73630 | X-ray of foot, minimum of 3 views | 57 | 55 |
| DIAGNOSTIC RADIOLOGY | MO | 76830 | Ultrasound pelvis through vagina | 33 | 33 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | MO | |
| Diagnostic Radiology | MO | |
| Radiation Oncology | MO | |
| Diagnostic Radiology | MO | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology | MO | |
| Radiation Oncology | MO | |
| - | MO | |
| Nurse Practitioner | MO | |
| Diagnostic Radiology | MO |
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