HELEN HUONG DO NURSE PRACTITIONER
NPI 1386034296
Nurse Practitioner - Family in Garden Grove, CA
About Helen Huong Do Nurse Practitioner NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HELEN HUONG DO NURSE PRACTITIONER (NPI 1386034296) is an individual family provider in Garden Grove, California, licensed in California (95001925) and active in the NPI registry since January 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Helen Huong Do Nurse Practitioner is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Helen Do reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Garden Grove, CA 92844
- Reassigned Medicare billing, California enrollment
- 22 clinicians in this Medicare group
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 16
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92844 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GARDEN GROVE, CA 92844
GARDEN GROVE, CA 92844
GARDEN GROVE, CA 92844
GARDEN GROVE, CA 92844
GARDEN GROVE, CA 92844
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Helen Do's NPI number?
The NPI number for Helen Do is 1386034296. It was assigned to this individual provider in the NPPES registry on January 29, 2015.
Where is Helen Do located?
Helen Do practices at 9191 Westminster Ave, Garden Grove, CA 92844. The listed phone number is (714) 899-2000.
What is Helen Do's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Helen Do enrolled in Medicare?
Yes. Helen Do is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Helen Do's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Helen Do reassigns Medicare benefits to 2 organizations: Dao Medical Group Inc (Garden Grove, CA) and In-Home Doctors Inc (Fountain Valley, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Helen Do's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Helen Do was last updated on January 29, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.