Quick answers
- Which hospitals does Helena Grabo work at?
- Medicare's official clinician data lists Helena Grabo at 2 hospitals: Hartford Hospital and John Dempsey Hospital of the University of Connect…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Helena Grabo see patients?
- Medicare's clinician data lists 2 practice locations, including Avon, CT and Simsbury, CT. Call before your visit to confirm the address.
- What is Helena Grabo's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Helena Grabo accept Medicare assignment?
- Yes. Medicare's clinician data says Helena Grabo 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 Helena Grabo offer telehealth?
- Medicare's clinician data says Helena Grabo offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Helena Grabo?
- (860) 677-5533, as listed in official Medicare / NPI Registry data.
- What is Helena Grabo's NPI number?
- 1427341668. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Helena Grabo works
Medicare's Facility Affiliation Data lists Helena Grabo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hartford HospitalHartford, CT · Acute Care Hospital · CCN 070025
- John Dempsey Hospital of the University of Connect…Farmington, CT · Acute Care Hospital · CCN 070036
Practice locations
Addresses where Helena Grabo is enrolled with Medicare (CMS data updated 2026-10-02).
- 36 E Main StAvon, CT 06001 (860) 677‑5533
- 75 Great Pond RdSimsbury, CT 06070
Group practices
Medicare enrollment lists Helena Grabo as a member of these groups (CMS data updated 2026-10-02).
- McLean Fund108 clinicians in the group
- Avon Medical Professionals, LLC3 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Avon
Clinicians with the same Medicare primary specialty in Avon, CT — not a recommendation.
Clinician information
| Medical school | University Of Connecticut School Of Medicine |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1427341668 |
| 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