Quick answers
- Which hospitals does Helen E. Giannakopoulos work at?
- Medicare's official clinician data lists Helen E. Giannakopoulos at 2 hospitals: UPMC Mercy and UPMC Presbyterian Shadyside. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Helen E. Giannakopoulos see patients?
- Medicare's clinician data lists 2 practice locations, including Pittsburgh, PA. Call before your visit to confirm the address.
- What is Helen E. Giannakopoulos's specialty?
- Medicare lists Maxillofacial Surgery as the primary specialty.
- Does Helen E. Giannakopoulos accept Medicare assignment?
- Yes. Medicare's clinician data says Helen E. Giannakopoulos 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 Helen E. Giannakopoulos offer telehealth?
- Medicare's clinician data says Helen E. Giannakopoulos offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Helen E. Giannakopoulos?
- (412) 648-9100, as listed in official Medicare / NPI Registry data.
- What is Helen E. Giannakopoulos's NPI number?
- 1356379846. 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 E. Giannakopoulos works
Medicare's Facility Affiliation Data lists Helen E. Giannakopoulos at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- UPMC MercyPittsburgh, PA · Acute Care Hospital · CCN 390028
- UPMC Presbyterian ShadysidePittsburgh, PA · Acute Care Hospital · CCN 390164
Practice locations
Addresses where Helen E. Giannakopoulos is enrolled with Medicare (CMS data updated 2026-10-02).
- 3501 Terrace St, Suite 3189Pittsburgh, PA 15213
- 3501 Terrace St, Suite 3189Pittsburgh, PA 15261 (412) 648‑9100
Group practices
Medicare enrollment lists Helen E. Giannakopoulos as a member of this group (CMS data updated 2026-10-02).
- University Dental Health Services, Inc.10 clinicians in the group
Specialties
- Maxillofacial Surgeryprimary
Other maxillofacial surgeons in Pittsburgh
Clinicians with the same Medicare primary specialty in Pittsburgh, PA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Pennsylvania |
| Graduation year | 1999 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1356379846 |
| 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