Quick answers
- Which hospitals does Helen Sax work at?
- Medicare's official clinician data lists Helen Sax at 5 hospitals: MedStar Franklin Square Medical Center, MedStar Saint Mary's Hospital, MedStar Southern Maryland Hospital Center, MedStar Union Memorial Hospital and MedStar Washington Hospital Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Helen Sax see patients?
- Medicare's clinician data lists 8 practice locations, including Washington, DC, Bel Air, MD and Mitchellville, MD. Call before your visit to confirm the address.
- What is Helen Sax's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Helen Sax accept Medicare assignment?
- Yes. Medicare's clinician data says Helen Sax 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 Helen Sax?
- (202) 877-2200, as listed in official Medicare / NPI Registry data.
- What is Helen Sax's NPI number?
- 1083645394. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Helen Sax works
Medicare's Facility Affiliation Data lists Helen Sax at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- MedStar Franklin Square Medical CenterRosedale, MD · Acute Care Hospital · CCN 210015
- MedStar Saint Mary's HospitalLeonardtown, MD · Acute Care Hospital · CCN 210028
- MedStar Southern Maryland Hospital CenterClinton, MD · Acute Care Hospital · CCN 210062
- MedStar Union Memorial HospitalBaltimore, MD · Acute Care Hospital · CCN 210024
- MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · CCN 090011
Practice locations
Addresses where Helen Sax is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 106 Irving St NW 4200, Mmg at WhcWashington, DC 20010 (202) 877‑2200
- 12 Medstar BlvdBel Air, MD 21015 (443) 625‑5430
- 12158 Central Ave, Suite 100Mitchellville, MD 20721 (301) 430‑2750
- 2118 Greenspring Dr, Suite 100Timonium, MD 21093 (443) 470‑1070
- 24035 Three Notch RdHollywood, MD 20636 (301) 373‑7900
Group practices
Medicare enrollment lists Helen Sax as a member of these groups (CMS data updated 2026-10-02).
- MedStar Medical Group II LLC3,767 clinicians in the group
- MedStar Medical Group - Southern Maryland LLC245 clinicians in the group
- Physician Imaging of Washington Hospital Center LLC104 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Find other Diagnostic Radiology doctors in District of Columbia →
Other radiologists in Washington
Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1983 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083645394 |
| 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