HELEN HANNA M.D.
NPI 1174054639
Internal Medicine in Whittier, CA
About Helen Hanna M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HELEN HANNA M.D. (NPI 1174054639) is an individual internal medicine provider in Whittier, California, licensed in California (A165382) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2011).
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 Hanna M.d. 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
4Medicare enrollment records show Helen Hanna reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Whittier, CA 90606
- Reassigned Medicare billing, California enrollment
- 840 clinicians in this Medicare group
Pico Rivera, CA 90660
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1396287082 (California)
- 13,921 clinicians in this Medicare group
Corona, CA 92879
- Reassigned Medicare billing, California enrollment
- 123 clinicians in this Medicare group
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 635 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90602 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WHITTIER, CA 90602
WHITTIER, CA 90602
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 Hanna's NPI number?
The NPI number for Helen Hanna is 1174054639. It was assigned to this individual provider in the NPPES registry on March 25, 2017.
Where is Helen Hanna located?
Helen Hanna practices at 12401 Washington Blvd, Whittier, CA 90602. The listed phone number is (562) 698-0811.
What is Helen Hanna's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Helen Hanna enrolled in Medicare?
Yes. Helen Hanna 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 Hanna's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Helen Hanna reassigns Medicare benefits to 4 organizations: Pih Health Physicians (Whittier, CA), Southern California Permanente Medical Group (Pico Rivera, CA), Hospitalist Group Of Montebello Inc (Corona, CA) and Beaver Medical Group P C (Redlands, 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 Hanna'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 Hanna was last updated on March 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Helen Hanna, M.D. · NPI 1174054639
Internal Medicine physician in Whittier, California. Individual provider, active in the CMS NPPES registry since March 25, 2017.
## Identity
- **NPI:** 1174054639 (Entity type: Individual)
- **Enumerated:** March 25, 2017
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A165382 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 12401 WASHINGTON BLVD, Whittier, CA 90602-1006
- **Phone:** (562) 698-0811
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Pih Health Physicians (NPI 1376793695, Whittier, CA); Southern California Permanente Medical Group (NPI 1891287827, Pico Rivera, CA); Hospitalist Group Of Montebello Inc (NPI 1578959318, Corona, CA); Beaver Medical Group P C (NPI 1649503319, Redlands, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** March 21, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1174054639) · Data from the CMS NPPES public registry.