DR. RHODA K HAHN MD
NPI 1972609295
Psychiatry & Neurology - Psychiatry in Los Alamitos, CA

Active since September 15, 2006PECOS Enrolled
3532 KATELLA AVE, #222, LOS ALAMITOS, CA 90720(562) 434-2714(714) 908-7970 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Rhoda K Hahn Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RHODA K HAHN MD (NPI 1972609295) is an individual psychiatry provider in Los Alamitos, California, licensed in California (G55207) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972609295
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. RHODA K HAHNCredential: MD
Location Address3532 KATELLA AVE, #222Los Alamitos, CA 90720-3112
Mailing Address3532 Katella Ave, #222Los Alamitos, CA 90720-3112
Fax(714) 908-7970
Sole ProprietorYes
Enumeration DateSeptember 15, 2006
Last NPPES UpdateNovember 30, 2021
NPPES CertifiedNovember 30, 2021
✔ NPI 1972609295 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · G55207
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
3532 KATELLA AVE, Los Alamitos, CA 90720

Other Identifiers 1

OtherG55207CA · Ppin

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Rhoda K Hahn Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Rhoda Hahn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
9400 ROSECRANS AVE
Bellflower, CA 90706
  • Reassigned Medicare billing, California enrollment
  • 13,921 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 90720 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist (Clinical)
3532 KATELLA AVE, STE. 231
LOS ALAMITOS, CA 90720

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 Rhoda Hahn's NPI number?

The NPI number for Rhoda Hahn is 1972609295. It was assigned to this individual provider in the NPPES registry on September 15, 2006.

Where is Rhoda Hahn located?

Rhoda Hahn practices at 3532 Katella Ave #222, Los Alamitos, CA 90720. The listed phone number is (562) 434-2714.

What is Rhoda Hahn's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Rhoda Hahn enrolled in Medicare?

Yes. Rhoda Hahn is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Rhoda Hahn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rhoda Hahn reassigns Medicare benefits to Southern California Permanente Medical Group (Bellflower, CA). The 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 Rhoda Hahn'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 Rhoda Hahn was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.