DR. LILY HOANGLAN DO DO
NPI 1841433653
Internal Medicine in Bellflower, CA
About Dr. Lily Hoanglan Do Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LILY HOANGLAN DO DO (NPI 1841433653) is an individual internal medicine provider in Bellflower, California, licensed in California (20A10665) and active in the NPI registry since April 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2001).
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
Dr. Lily Hoanglan Do Do 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
3Medicare enrollment records show Lily Do reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Downey, CA 90242
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Westminster, CA 92683
- Reassigned Medicare billing, California enrollment
- 75 clinicians in this Medicare group
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
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
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 90706 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BELLFLOWER, CA 90706
BELLFLOWER, CA 90706
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 Lily Do's NPI number?
The NPI number for Lily Do is 1841433653. It was assigned to this individual provider in the NPPES registry on April 8, 2009.
Where is Lily Do located?
Lily Do practices at 17660 Lakewood Blvd, Bellflower, CA 90706. The listed phone number is (562) 461-1179.
What is Lily Do's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Lily Do enrolled in Medicare?
Yes. Lily 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 Lily Do's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lily Do reassigns Medicare benefits to 3 organizations: Ame Medical Group Inc (Downey, CA), Family Choice Aco Inc (Westminster, CA) and St. Joseph - St. Theresa Medical, 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 Lily 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 Lily Do was last updated on April 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Lily Hoanglan Do, DO · NPI 1841433653
Internal Medicine physician in Bellflower, California. Individual provider, active in the CMS NPPES registry since April 8, 2009.
## Identity
- **NPI:** 1841433653 (Entity type: Individual)
- **Enumerated:** April 8, 2009
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 20A10665 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 17660 LAKEWOOD BLVD, Bellflower, CA 90706-6410
- **Phone:** (562) 461-1179
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Ame Medical Group Inc (NPI 1861711863, Downey, CA); Family Choice Aco Inc (NPI 1396416863, Westminster, CA); St. Joseph - St. Theresa Medical, Inc. (NPI 1790367779, Fountain Valley, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** April 28, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1841433653) · Data from the CMS NPPES public registry.