ROBERT ISAACS (M.D.) – Diagnostic Radiology Physician, NPI 1669443446
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,085 DIAGNOSTIC RADIOLOGY in MD
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Provider Addresses for ROBERT ISAACS (M.D.)
20410, Observation Drive, Meadowbrook Estates, Germantown, Montgomery County, Maryland, 20876, United States
SUITE 104
GERMANTOWN, MD 208764000
Phone: (301) 948-5700
Fax: (301) 212-4277
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)
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: 2011-08-02
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 |
|---|---|---|---|---|
| I20110802000304 | I | Diagnostic Radiology | DC | 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 | 44,320 | 402 | $0 |
| A9575 | Injection, gadoterate meglumine, 0.1 ml | 12,311 | 80 | $0 |
| 71045 | X-ray of chest, 1 view | 1,045 | 869 | $0 |
| 70450 | Ct scan head or brain without contrast | 408 | 396 | $0 |
| 71046 | X-ray of chest, 2 views | 389 | 385 | $0 |
Insurance plans in this area (ZIP 20876)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | MD | 71250 | CT scan chest | 37 | 37 |
| DIAGNOSTIC RADIOLOGY | MD | 73630 | X-ray of foot, minimum of 3 views | 25 | 24 |
| DIAGNOSTIC RADIOLOGY | MD | 74177 | CT scan of abdomen and pelvis with contrast | 92 | 87 |
| DIAGNOSTIC RADIOLOGY | MD | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 74 | 73 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | VA | |
| Diagnostic Radiology | WI | |
| Diagnostic Radiology | MD | |
| Diagnostic Radiology | MD | |
| Diagnostic Radiology | MD | |
| Diagnostic Radiology | MD | |
| Diagnostic Radiology | TX | |
| Diagnostic Radiology | MD | |
| Diagnostic Radiology | MD | |
| Diagnostic Radiology | CT |
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