DR. MARK I RUBINSTEIN M.D.
NPI 1003871971
Otolaryngology in Fairfax, VA
About Dr. Mark I Rubinstein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK I RUBINSTEIN M.D. (NPI 1003871971) is an individual otolaryngology provider in Fairfax, Virginia, licensed in Virginia (0101043630) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and is a graduate of Other (1983).
NPPES Registry Identity
Specialties & Licenses 4
Other Identifiers 5
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
Dr. Mark I Rubinstein M.d. 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 Reassignments
2Medicare enrollment records show Mark Rubinstein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
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
Fairfax, VA 22030
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 33 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 7
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 Fairfax Hospital
Acute Care Hospitals · Falls Church, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFAX, VA 22031
FAIRFAX, VA 22031
FAIRFAX, VA 22031
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 Mark Rubinstein's NPI number?
The NPI number for Mark Rubinstein is 1003871971. It was assigned to this individual provider in the NPPES registry on April 20, 2006.
Where is Mark Rubinstein located?
Mark Rubinstein practices at 8316 Arlington Blvd Suite 300, Fairfax, VA 22031. The listed phone number is (703) 573-7600.
What is Mark Rubinstein's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Mark Rubinstein enrolled in Medicare?
Yes. Mark Rubinstein 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 organizations bill Medicare for Mark Rubinstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Rubinstein reassigns Medicare benefits to 2 organizations: Inova Health Care Services (Falls Church, VA) and Otolaryngology Associates, PC (Fairfax, VA). Each 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 Mark Rubinstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Rubinstein affiliated with any hospitals?
According to CMS data, Mark Rubinstein is affiliated with Inova Fairfax Hospital.
When was this NPI record last updated?
The NPPES record for Mark Rubinstein was last updated on June 6, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Mark I Rubinstein, M.D. · NPI 1003871971
Otolaryngology physician in Fairfax, Virginia. Individual provider, active in the CMS NPPES registry since April 20, 2006.
## Identity
- **NPI:** 1003871971 (Entity type: Individual)
- **Enumerated:** April 20, 2006
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **State license:** 0101043630 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 8316 ARLINGTON BLVD, SUITE 300, Fairfax, VA 22031-5207
- **Phone:** (703) 573-7600 · **Fax:** (703) 560-3808
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Inova Health Care Services (NPI 1952320061, Falls Church, VA); Otolaryngology Associates, PC (NPI 1861534836, Fairfax, VA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1983
## Record status
- **NPPES last updated:** June 6, 2008
- **Other identifiers:** Medicaid 006524141 (VA); Other 0005; Medicare UPIN E22128; and 2 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1003871971) · Data from the CMS NPPES public registry.