RADIOLOGY SPECIALISTS LTD MARASSO-MILLER – Diagnostic Radiology Physician, NPI 1437196979
Diagnostic Radiology Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for RADIOLOGY SPECIALISTS LTD MARASSO-MILLER
PO BOX 202240
DALLAS, TX 753202240
Phone:
Type: Mailing
PO BOX 50709
HENDERSON, NV 890160709
Phone:
Type: Mailing
South Maryland Parkway, John S. Park, Five Points, Las Vegas, Clark County, Nevada, 89101, United States
LAS VEGAS, NV 891092317
Phone: (702) 961-5000
Type: Location
4101, Wagon Trail Avenue, Enterprise, Clark County, Nevada, 89118, United States
LAS VEGAS, NV 891184426
Phone: (702) 942-4123
Fax: (702) 942-4124
Type: Mailing
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)
Past revalidation due date
Earliest CMS due date was 2023-10-31 (951 days ago).
Enrollment records
30
Earliest due date
2023-10-31
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 |
|---|---|---|---|---|
| O20040317000680 | O | Clinic/Group Practice | NV | TBD |
| O20171011001404 | O | Clinic/Group Practice | CA | 2023-10-31 |
| O20190918001536 | O | Clinic/Group Practice | NH | TBD |
| O20190919001132 | O | Clinic/Group Practice | MA | TBD |
| O20190920002380 | O | Clinic/Group Practice | NY | TBD |
| O20190923001526 | O | Clinic/Group Practice | CO | 2024-09-30 |
| O20190923002476 | O | Clinic/Group Practice | NM | 2024-10-31 |
| O20190923002757 | O | Clinic/Group Practice | NJ | TBD |
| O20190923003269 | O | Clinic/Group Practice | OK | 2024-10-31 |
| O20190924000082 | O | Clinic/Group Practice | PA | 2025-08-31 |
| O20190926003168 | O | Clinic/Group Practice | SC | 2025-10-31 |
| O20190926003513 | O | Clinic/Group Practice | NC | 2025-11-30 |
| O20190930000705 | O | Clinic/Group Practice | FL | 2026-03-31 |
| O20191004001238 | O | Clinic/Group Practice | OR | 2026-04-30 |
| O20191011001384 | O | Clinic/Group Practice | IA | 2026-04-30 |
| O20191011001991 | O | Clinic/Group Practice | AL | 2026-05-31 |
| O20191014001728 | O | Clinic/Group Practice | UT | 2026-06-30 |
| O20191014002016 | O | Clinic/Group Practice | WA | 2026-07-31 |
| O20191014003605 | O | Clinic/Group Practice | GA | 2026-08-31 |
| O20191024002760 | O | Clinic/Group Practice | KS | 2026-09-30 |
| O20200619002014 | O | Clinic/Group Practice | WI | 2026-10-31 |
| O20210603001949 | O | Clinic/Group Practice | MI | TBD |
| O20220329001509 | O | Clinic/Group Practice | DC | TBD |
| O20240713000140 | O | Clinic/Group Practice | KY | TBD |
| O20240903001860 | O | Clinic/Group Practice | TN | TBD |
| O20250721000339 | O | Clinic/Group Practice | IL | TBD |
| O20250808003407 | O | Clinic/Group Practice | OH | TBD |
| O20260102003618 | O | Clinic/Group Practice | LA | TBD |
| O20260126001750 | O | Clinic/Group Practice | PR | TBD |
| O20260225001210 | O | Clinic/Group Practice | IN | TBD |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 75320)
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