MARK S GIRGUIS (MD) – Diagnostic Radiology Physician, NPI 1477591154
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,123 DIAGNOSTIC RADIOLOGY in IL
Provider Addresses for MARK S GIRGUIS (MD)
PO BOX 26060
FRESNO, CA 93729
Phone: (559) 455-4000
Fax: (559) 455-4004
Type: Mailing
1740 W Taylor St
Chicago, IL 606127232
Phone: (312) 355-4000
Type: Location
40946 US HIGHWAY 19 N # 101
TARPON SPRINGS, FL 346895446
Phone: (813) 720-7237
Fax: (888) 366-6013
Type: Mailing
400, Pepper Avenue, West Colton, Colton, San Bernardino County, California, 92324, United States
COLTON, CA 923241819
Phone: (909) 580-1520
Fax: (909) 580-1561
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: 2023-09-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20060630000212 | I | Diagnostic Radiology | CA | TBD |
| I20130219000098 | I | Diagnostic Radiology | FL | TBD |
| I20230914004167 | I | Diagnostic Radiology | 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 |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 11,466 | 118 | $0 |
| 71045 | X-ray of chest, 1 view | 114 | 107 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 95 | 95 | $0 |
| 70450 | Ct scan head or brain without contrast | 71 | 67 | $0 |
| 71260 | Ct scan of chest with contrast | 68 | 68 | $0 |
Insurance plans in this area (ZIP 93729)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | CA | 71010 | X-ray of chest, 1 view, front | 416 | 322 |
| DIAGNOSTIC RADIOLOGY | CA | 71250 | CT scan chest | 94 | 93 |
| DIAGNOSTIC RADIOLOGY | CA | 73110 | X-ray of wrist, minimum of 3 views | 19 | 15 |
| DIAGNOSTIC RADIOLOGY | CA | 74177 | CT scan of abdomen and pelvis with contrast | 41 | 41 |
| DIAGNOSTIC RADIOLOGY | CA | 76830 | Ultrasound pelvis through vagina | 12 | 12 |
| DIAGNOSTIC RADIOLOGY | CA | 78452 | Nuclear medicine study of vessels of heart using drugs or exercise multiple studies | 14 | 14 |
| DIAGNOSTIC RADIOLOGY | CA | 78815 | Nuclear medicine study with CT imaging skull base to mid-thigh | 49 | 49 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | MA | |
| Diagnostic Radiology | FL | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology, Interventional Radiology | FL | |
| Otolaryngology, Diagnostic Radiology, Interventional Radiology | IL | |
| - | OK | |
| Diagnostic Radiology | FL | |
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | VA | |
| Diagnostic Radiology | AK |
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