DR. ANTHONY D SLONIM (MD) – Internal Medicine Physician, NPI 1972507432
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
663 CRITICAL CARE (INTENSIVISTS) in MD
Provider Addresses for DR. ANTHONY D SLONIM (MD)
12612 Falconbridge Dr
North Potomac, MD 208783411
Phone: (301) 977-7849
Fax: (301) 977-8165
Type: Location
5355 Lyons Rd
Coconut Creek, FL 330732825
Phone: (954) 570-9595
Type: Location
213 S JEFFERSON ST STE 1006
ROANOKE, VA 240111713
Phone:
Type: Mailing
12612, Falconbridge Drive, Fox Hills North, North Potomac, Montgomery County, Maryland, 20878, United States
NORTH POTOMAC, MD 208783411
Phone: (301) 977-7849
Fax: (301) 977-8165
Type: Mailing
3 RIVERSIDE CIR
ROANOKE, VA 240164955
Phone: (540) 224-5170
Fax: (540) 983-8229
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $407.
Total Amount is formed as General ($407) + Research ($0) + Ownership ($0) = $407.
Last reported payment date: 2024-01-23 • Largest payer in this snapshot: Exact Sciences Corporation ($184).
Total Amount
$407
General + Research + Ownership
Payments
16
Total payment records
General Amount
$407
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Exact Sciences Corporation | $184 |
| Novo Nordisk Inc | $94 |
| GlaxoSmithKline, LLC. | $62 |
| Astellas Pharma US Inc | $49 |
| Lilly USA, LLC | $18 |
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: 2010-08-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20070607000294 | I | Critical Care (Intensivists) | VA | TBD |
| I20100809000094 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 226 | 112 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 83 | 54 | $0 |
| G0444 | Annual depression screening, 5 to 15 minutes | 62 | 62 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 55 | 55 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 54 | 46 | $0 |
Insurance plans in this area (ZIP 20878)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | VA | |
| Nurse Practitioner | VA | |
| Cardiovascular Disease (Cardiology) | VA | |
| G A S T R O E N T E R O L O G Y | NY | |
| - | MI | |
| - | VA | |
| - | VA | |
| - | VA | |
| General Surgery | VA | |
| - | VA |
Reviews
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