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RAMIN MAZHARI
NPI 1811041106
Internal Medicine in Vienna, VA

Active since January 23, 2007PECOS EnrolledAccepts Medicare Assignment
8100 BOONE BLVD STE 300, VIENNA, VA 22182(703) 716-2866(833) 764-3957 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ramin Mazhari NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RAMIN MAZHARI (NPI 1811041106) is an individual internal medicine provider in Vienna, Virginia, licensed in Virginia (0101263998) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Virginia Hospital Center, and is a graduate of Other (1991).

NPPES Registry Identity

NPI1811041106
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameRAMIN MAZHARI
Location Address8100 BOONE BLVD STE 300Vienna, VA 22182-2642
Mailing Address8100 Boone Blvd Ste 300Vienna, VA 22182-2642 · (703) 716-2866 · Fax (833) 764-3957
Phone(703) 716-2866
Fax(833) 764-3957
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateJanuary 23, 2007
Last NPPES UpdateFebruary 3, 2026
NPPES CertifiedFebruary 3, 2026
✔ NPI 1811041106 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0101263998
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
8100 BOONE BLVD STE 300, Vienna, VA 22182
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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

Ramin Mazhari 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.

PECOS PAC ID9032111240
PECOS Enrollment IDI20140505000071
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ramin Mazhari reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ramin Mazhari LLC
Same address
Internal Medicine
8100 BOONE BLVD STE 300
Vienna, VA 22182
  • Reassigned Medicare billing, District of Columbia enrollment
NPI 1528878006 (703) 716-2866

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 8

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
415 services199 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
217 services107 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
94 services90 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
89 services89 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
37 services37 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
25 services23 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Virginia Hospital Center

Acute Care Hospitals · Arlington, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490050
Location1701 North George Mason DriveArlington, VA 22205 · Arlington County
Emergency services Birthing friendly

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490063
Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County
Emergency services Birthing friendly

Reston Hospital Center

Acute Care Hospitals · Reston, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490107
Location1850 Town Center ParkwayReston, VA 20190 · Fairfax County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22182 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RAMIN MAZHARI LLC
Internal Medicine
8100 BOONE BLVD STE 300
VIENNA, VA 22182
Fairfax County (703) 716-2866

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 Ramin Mazhari's NPI number?

The NPI number for Ramin Mazhari is 1811041106. It was assigned to this individual provider in the NPPES registry on January 23, 2007.

Where is Ramin Mazhari located?

Ramin Mazhari practices at 8100 Boone Blvd Ste 300, Vienna, VA 22182. The listed phone number is (703) 716-2866.

What is Ramin Mazhari's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ramin Mazhari enrolled in Medicare?

Yes. Ramin Mazhari 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 Ramin Mazhari's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ramin Mazhari reassigns Medicare benefits to Ramin Mazhari LLC (Vienna, 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 Ramin Mazhari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ramin Mazhari affiliated with any hospitals?

According to CMS data, Ramin Mazhari is affiliated with Virginia Hospital Center, Inova Fairfax Hospital and Reston Hospital Center.

When was this NPI record last updated?

The NPPES record for Ramin Mazhari was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.