Quick answers
- Which hospitals does Donald M. Poretz work at?
- Medicare's official clinician data lists Donald M. Poretz at 1 hospital: Inova Fairfax Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Donald M. Poretz see patients?
- Medicare's clinician data lists 2 practice locations, including Annandale, VA and Sterling, VA. Call before your visit to confirm the address.
- What is Donald M. Poretz's specialty?
- Medicare lists Infectious Disease as the primary specialty.
- Does Donald M. Poretz accept Medicare assignment?
- Yes. Medicare's clinician data says Donald M. Poretz 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.
- What is the phone number for Donald M. Poretz?
- (703) 560-7900, as listed in official Medicare / NPI Registry data.
- What is Donald M. Poretz's NPI number?
- 1164478095. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Donald M. Poretz works
Medicare's Facility Affiliation Data lists Donald M. Poretz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Inova Fairfax HospitalFalls Church, VA · Acute Care Hospital · CCN 490063
Practice locations
Addresses where Donald M. Poretz is enrolled with Medicare (CMS data updated 2026-10-02).
- 3289 Woodburn Rd, Suite 200Annandale, VA 22003 (703) 560‑7900
- 46531 Harry Byrd HwySterling, VA 20164 (703) 834‑5800
Group practices
Medicare enrollment lists Donald M. Poretz as a member of this group (CMS data updated 2026-10-02).
- Infectious Diseases Physicians, Inc.13 clinicians in the group
Specialties
- Infectious Diseaseprimary
Other infectious disease doctors in Annandale
Clinicians with the same Medicare primary specialty in Annandale, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Virginia School Of Medicine |
| Graduation year | 1966 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164478095 |
| 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