TOBIN SCOTT NAIDORF MD
NPI 1457306318
Internal Medicine - Gastroenterology in Alexandria, VA
About Tobin Scott Naidorf Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TOBIN SCOTT NAIDORF MD (NPI 1457306318) is an individual gastroenterology provider in Alexandria, Virginia, licensed in Virginia (0101043875) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Inova Mount Vernon Hospital, and maintains a secondary practice location in Alexandria.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Tobin Scott Naidorf Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Tobin Naidorf reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Falls Church, VA 22042
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- Also billed through NPI 1588717755 (Virginia)
- 2,618 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Mount Vernon Hospital
Acute Care Hospitals · Alexandria, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22306 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Tobin Naidorf's NPI number?
The NPI number for Tobin Naidorf is 1457306318. It was assigned to this individual provider in the NPPES registry on May 22, 2006.
Where is Tobin Naidorf located?
Tobin Naidorf practices at 2501 Parkers Ln Suite 114, Alexandria, VA 22306.
What is Tobin Naidorf's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Tobin Naidorf enrolled in Medicare?
Yes. Tobin Naidorf is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Tobin Naidorf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tobin Naidorf reassigns Medicare benefits to Inova Health Care Services (Falls Church, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tobin Naidorf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tobin Naidorf accept?
Health plans from Oscar Health list Tobin Naidorf as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Tobin Naidorf affiliated with any hospitals?
According to CMS data, Tobin Naidorf is affiliated with Inova Mount Vernon Hospital.
When was this NPI record last updated?
The NPPES record for Tobin Naidorf was last updated on August 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Tobin Scott Naidorf, MD · NPI 1457306318
Gastroenterology physician in Alexandria, Virginia. Individual provider, active in the CMS NPPES registry since May 22, 2006.
## Identity
- **NPI:** 1457306318 (Entity type: Individual)
- **Enumerated:** May 22, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 0101043875 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2501 PARKERS LN SUITE 114, Alexandria, VA 22306-3410
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Inova Health Care Services (NPI 1952320061, Falls Church, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Eastern Virginia Medical School, class of 1984
## Record status
- **NPPES last updated:** August 9, 2022
- **Other identifiers:** Medicaid 006043003 (VA)
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Source: [NPI Profile](https://npiprofile.com/npi/1457306318) · Data from the CMS NPPES public registry.