EVANGELIA E TSAPOS DO
NPI 1649790239
Family Medicine in Fairfax, VA

Active since June 23, 2017PECOS EnrolledAccepts Medicare Assignment
3650 JOSEPH SIEWICK DR STE 400, FAIRFAX, VA 22033(703) 391-2020 Get Directions Write a Review

NPPES record last updated: April 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 17, 2026, Oct 19, 2020, Jun 23, 2017 (3 updates tracked since 2017).

About Evangelia E Tsapos Do NPPES

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

EVANGELIA E TSAPOS DO (NPI 1649790239) is an individual family medicine provider in Fairfax, Virginia, licensed in Virginia (0116030147) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Inova Fairfax Hospital, and maintains a secondary practice location in Fairfax.

NPPES Registry Identity

NPI1649790239
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameEVANGELIA E TSAPOSCredential: DO
Location Address3650 JOSEPH SIEWICK DR STE 400Fairfax, VA 22033-1715
Mailing AddressPo Box 37189Baltimore, MD 21297-3189 · (571) 423-5699 · Fax (571) 423-5698
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 23, 2017
Last NPPES UpdateApril 17, 20263 updates tracked since enumeration
NPPES CertifiedApril 17, 2026
NPI 1649790239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in VA · 0116030147
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3650 JOSEPH SIEWICK DR STE 400, Fairfax, VA 22033

Secondary Practice Location 1

Location 13650 Joseph Siewick Dr Ste 101Fairfax, VA 22033-1700 · Phone (703) 391-2020 · Fax (703) 391-1211

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Evangelia E Tsapos Do 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 ID4385913227
PECOS Enrollment IDI20180925000036
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.

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.

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.
311 services216 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.
80 services75 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.
77 services77 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
26 services24 patients
Blood test, clotting time 85610
A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.
25 services14 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
25 services23 patients

Hospital Affiliations CMS Care Compare 2

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

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

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number490101
Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22033 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
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.

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.

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
87%381 patients3/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
80%133 patients4/55-star benchmark: 88%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
78%60 patients4/55-star benchmark: 97%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$212.67 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Physical Therapist
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033
Family Medicine
3650 JOSEPH SIEWICK DR STE 400
FAIRFAX, VA 22033

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 Evangelia Tsapos's NPI number?

The NPI number for Evangelia Tsapos is 1649790239. It was assigned to this individual provider in the NPPES registry on June 23, 2017.

Where is Evangelia Tsapos located?

Evangelia Tsapos practices at 3650 Joseph Siewick Dr Ste 400, Fairfax, VA 22033. The listed phone number is (703) 391-2020.

What is Evangelia Tsapos's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Evangelia Tsapos enrolled in Medicare?

Yes. Evangelia Tsapos 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.

Is Evangelia Tsapos affiliated with any hospitals?

According to CMS data, Evangelia Tsapos is affiliated with Inova Fairfax Hospital and Inova Fair Oaks Hospital.

When was this NPI record last updated?

The NPPES record for Evangelia Tsapos was last updated on April 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.