Quick answers
- Which hospitals does Sydney Y. Helwig work at?
- Medicare's official clinician data lists Sydney Y. Helwig at 1 hospital: Tucson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sydney Y. Helwig see patients?
- Medicare's clinician data lists 5 practice locations, including Green Valley, AZ and Tucson, AZ. Call before your visit to confirm the address.
- What is Sydney Y. Helwig's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Sydney Y. Helwig accept Medicare assignment?
- Yes. Medicare's clinician data says Sydney Y. Helwig 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 Sydney Y. Helwig?
- (520) 324-4230, as listed in official Medicare / NPI Registry data.
- What is Sydney Y. Helwig's NPI number?
- 1861155434. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sydney Y. Helwig works
Medicare's Facility Affiliation Data lists Sydney Y. Helwig at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Tucson Medical CenterTucson, AZ · Acute Care Hospital · CCN 030006
Practice locations
Addresses where Sydney Y. Helwig is enrolled with Medicare (CMS data updated 2026-10-02).
- 1315 S La Canada DrGreen Valley, AZ 85622
- 2070 W Rudasill RdTucson, AZ 85704
- 2380 N Ferguson AveTucson, AZ 85712
- 5301 E Grant RdTucson, AZ 85712 (520) 324‑4230
- 603 N Wilmot Rd, Suite 151Tucson, AZ 85711 (520) 420‑2560
Group practices
Medicare enrollment lists Sydney Y. Helwig as a member of these groups (CMS data updated 2026-10-02).
- TMC Medical Network281 clinicians in the group
- Tmcone96 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Green Valley
Clinicians with the same Medicare primary specialty in Green Valley, AZ — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861155434 |
| 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