TOBIN SCOTT NAIDORF (MD) – Gastroenterology Physician, NPI 1457306318
Gastroenterology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
540 GASTROENTEROLOGY in VA
Provider Addresses for TOBIN SCOTT NAIDORF (MD)
7910 ANDRUS RD
STE 6
ALEXANDRIA, VA 223063171
Phone: (703) 799-1688
Fax: (703) 799-4092
Type: Mailing
8101 Hinson Farm Rd Ste 415
Alexandria, VA 223063410
Phone: (703) 780-0994
Fax: (703) 780-0929
Type: Location
P.O. BOX 37174
BALTIMORE, MD 212973174
Phone: (571) 423-5699
Fax: (571) 423-5698
Type: Mailing
2501 PARKERS LN SUITE 114
ALEXANDRIA, VA 223063410
Phone:
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $491.
Total Amount is formed as General ($491) + Research ($0) + Ownership ($0) = $491.
Last reported payment date: 2024-09-20 • Largest payer in this snapshot: Olympus America Inc. ($143).
Total Amount
$491
General + Research + Ownership
Payments
5
Total payment records
General Amount
$491
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Olympus America Inc. | $143 |
| Phathom Pharmaceuticals, Inc. | $121 |
| Janssen Biotech, Inc. | $95 |
| ABBVIE INC. | $92 |
| CapsoVision, Inc. | $39 |
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: 2016-06-02
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 |
|---|---|---|---|---|
| I20111103000084 | I | Gastroenterology | DC | TBD |
| I20160602002186 | I | Internal Medicine | VA | 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 |
|---|---|---|---|---|
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 56 | 56 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 45 | 45 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 44 | 44 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 39 | 39 | $0 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | 33 | 33 | $0 |
Insurance plans in this area (ZIP 22306)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | VA | 45385 | Removal of polyps or growths of large bowel using an endoscope | 18 | 17 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | HI | |
| H E M A T O L O G Y | WA | |
| - | VIR | |
| - | IL | |
| Orthopedic Surgery | VA | |
| - | VA | |
| Diagnostic Radiology | VA | |
| General Surgery | CT | |
| - | VA | |
| N E U R O S U R G E R Y | VA |
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