Quick answers
- Which hospitals does Jeremias Tan work at?
- Medicare's official clinician data lists Jeremias Tan at 2 hospitals: Inova Fair Oaks Hospital and Virginia Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jeremias Tan see patients?
- Medicare's clinician data lists 1 practice location in Fairfax, VA. Call before your visit to confirm the address.
- What is Jeremias Tan's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Gastroenterology.
- Does Jeremias Tan accept Medicare assignment?
- Yes. Medicare's clinician data says Jeremias Tan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Jeremias Tan offer telehealth?
- Medicare's clinician data says Jeremias Tan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jeremias Tan?
- (703) 698-8960, as listed in official Medicare / NPI Registry data.
- What is Jeremias Tan's NPI number?
- 1699723213. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jeremias Tan works
Medicare's Facility Affiliation Data lists Jeremias Tan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Inova Fair Oaks HospitalFairfax, VA · Acute Care Hospital · CCN 490101
- Virginia Hospital CenterArlington, VA · Acute Care Hospital · CCN 490050
Practice locations
Addresses where Jeremias Tan is enrolled with Medicare (CMS data updated 2026-10-02).
- 3022 Williams Dr, Suite 301Fairfax, VA 22031 (703) 698‑8960
Group practices
Medicare enrollment lists Jeremias Tan as a member of this group (CMS data updated 2026-10-02).
- Gastroenterology Associates of Northern Virginia, LLC100 clinicians in the group
Specialties
- Internal Medicineprimary
- Gastroenterologyalso
Other internal medicine doctors in Fairfax
Clinicians with the same Medicare primary specialty in Fairfax, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | George Washington University School Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1699723213 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians