Quick answers
- Where does Helen H. Do see patients?
- Medicare's clinician data lists 2 practice locations, including Fountain Valley, CA and Garden Grove, CA. Call before your visit to confirm the address.
- What is Helen H. Do's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Helen H. Do accept Medicare assignment?
- Yes. Medicare's clinician data says Helen H. Do 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 H. Do offer telehealth?
- Medicare's clinician data says Helen H. Do offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Helen H. Do?
- (714) 444-2414, as listed in official Medicare / NPI Registry data.
- What is Helen H. Do's NPI number?
- 1386034296. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Helen H. Do is enrolled with Medicare (CMS data updated 2026-10-02).
- 17195 Newhope StFountain Valley, CA 92708 (714) 444‑2414
- 9191 Westminster AveGarden Grove, CA 92844 (714) 899‑2000
Group practices
Medicare enrollment lists Helen H. Do as a member of these groups (CMS data updated 2026-10-02).
- Dao Medical Group Inc12 clinicians in the group
- In-Home Doctors Inc6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fountain Valley
Clinicians with the same Medicare primary specialty in Fountain Valley, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1386034296 |
| 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
- 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