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DR. SHANNON TAI MD
NPI 1649832098
Internal Medicine in Arlington, VA

Active since July 06, 2019PECOS EnrolledAccepts Medicare Assignment
3535 S BALL ST STE A, ARLINGTON, VA 22202(630) 991-6991 Get Directions Write a Review

NPPES record last updated: July 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 20, 2026, Mar 17, 2026, Nov 4, 2024 and 2 more (5 updates tracked since 2019).

About Dr. Shannon Tai Md NPPES

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

DR. SHANNON TAI MD (NPI 1649832098) is an individual internal medicine provider in Arlington, Virginia, licensed in Virginia (0101276465) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with Fauquier Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1649832098
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. SHANNON TAICredential: MD
Location Address3535 S BALL ST STE AArlington, VA 22202-4452
Mailing Address3535 S Ball St Ste AArlington, VA 22202-4452 · (703) 348-9111 · Fax (703) 888-3848
Phone(630) 991-6991
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJuly 6, 2019
Last NPPES UpdateJuly 20, 20265 updates tracked since enumeration
NPPES CertifiedJuly 20, 2026
✔ NPI 1649832098 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 · 0101276465
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.
3535 S BALL ST STE A, Arlington, VA 22202
Open in Google Maps ↗

Secondary Practice Locations 3

Location 11535 Slate Creek RdGrundy, VA 24614-6974 · Phone (276) 935-1000
Location 26200 N La Cholla BlvdTucson, AZ 85741-3529 · Phone (520) 545-0571
Location 3500 Hospital DrWarrenton, VA 20186-3027 · Phone (540) 316-5000 · Fax (540) 316-5001

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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

Dr. Shannon Tai 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.

PECOS PAC ID749607364
PECOS Enrollment IDI20251208003267, I20260227001428
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 Reassignments

4

Medicare enrollment records show Shannon Tai reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine Associates PA
3.2 mi
Hospitalist
4320 SEMINARY RD
Alexandria, VA 22304
  • Reassigned Medicare billing, District of Columbia enrollment
  • Medicare enrollment name: Emergency Medicine Associates P.A., P.C.
  • 1,150 clinicians in this Medicare group
NPI 1932948114 (884) 474-4019
Privia Medical Group, LLC
4.4 mi
Internal Medicine
950 N GLEBE RD STE 700
Arlington, VA 22203
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 1,534 clinicians in this Medicare group
NPI 1013042480 (571) 366-8850
Ohio Valley Physicians Inc
292 mi
Family Medicine
601 20TH ST
Huntington, WV 25703
  • Reassigned Medicare billing, Virginia enrollment
  • 44 clinicians in this Medicare group
NPI 1962433177 (304) 781-0076
Southeastern Intensivist Services PC
768 mi
Hospitalist
2100 N 7TH ST
West Memphis, AR 72301
  • Reassigned Medicare billing, Virginia enrollment
  • 528 clinicians in this Medicare group
NPI 1912942665 (870) 733-3020

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

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

Fauquier Hospital

Acute Care Hospitals · Warrenton, VA
3/5 CMS rating
OwnershipProprietary
CMS Certification Number490023
Location500 Hospital DriveWarrenton, VA 20186 · Fauquier County
Emergency services Birthing friendly

Buchanan General Hospital

Acute Care Hospitals · Grundy, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490127
Location1535 Slate Creek RoadGrundy, VA 24614 · Buchanan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22202 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 2

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

HAROON RASHID MD
Internal Medicine
3535 S BALL ST STE A
ARLINGTON, VA 22202
Arlington County (703) 558-4922
FARZANA KOUSAR AGPNP
Nurse Practitioner (Adult Health)
3535 S BALL ST STE A
ARLINGTON, VA 22202
Arlington County (703) 558-4922

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 Shannon Tai's NPI number?

The NPI number for Shannon Tai is 1649832098. It was assigned to this individual provider in the NPPES registry on July 6, 2019.

Where is Shannon Tai located?

Shannon Tai practices at 3535 S Ball St Ste A, Arlington, VA 22202. The listed phone number is (630) 991-6991.

What is Shannon Tai's specialty?

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

Is Shannon Tai enrolled in Medicare?

Yes. Shannon Tai 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 Shannon Tai's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shannon Tai reassigns Medicare benefits to 4 organizations: Emergency Medicine Associates PA (Alexandria, VA), Privia Medical Group, LLC (Arlington, VA), Ohio Valley Physicians Inc (Huntington, WV) and Southeastern Intensivist Services PC (West Memphis, AR). 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 Shannon Tai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shannon Tai accept?

Health plans from Oscar Health list Shannon Tai 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 Shannon Tai affiliated with any hospitals?

According to CMS data, Shannon Tai is affiliated with Fauquier Hospital and Buchanan General Hospital.

When was this NPI record last updated?

The NPPES record for Shannon Tai was last updated on July 20, 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.