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DR. IRIS YOLANDA LOPEZ LUTHI PSY.D.
NPI 1639531312
Psychologist - Clinical in South Pasadena, CA

Active since March 22, 2016PECOS EnrolledAccepts Medicare Assignment
625 FAIR OAKS AVE STE 390, SOUTH PASADENA, CA 91030(626) 449-2484 Get Directions Write a Review

NPPES record last updated: March 22, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Iris Yolanda Lopez Luthi Psy.d. NPPES

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

DR. IRIS YOLANDA LOPEZ LUTHI PSY.D. (NPI 1639531312) is an individual clinical provider in South Pasadena, California, licensed in California (28142) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1639531312
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. IRIS YOLANDA LOPEZ LUTHICredential: PSY.D.
Location Address625 FAIR OAKS AVE STE 390South Pasadena, CA 91030-5817
Mailing Address625 Fair Oaks Ave, Suite 390South Pasadena, CA 91030-2630 · (626) 449-2484 · Fax (626) 449-1107
Phone(626) 449-2484
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateMarch 22, 2016
✔ NPI 1639531312 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in CA · 28142
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
625 FAIR OAKS AVE STE 390, South Pasadena, CA 91030
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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. Iris Yolanda Lopez Luthi Psy.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.

PECOS PAC ID6406148063
PECOS Enrollment IDI20160630001090
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 Iris Lopez Luthi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cognitive Care Solutions Group Inc
33 mi
Cognitive & Behavioral
1526 BROOKHOLLOW DR STE 73
Santa Ana, CA 92705
  • Reassigned Medicare billing, California enrollment
  • 87 clinicians in this Medicare group
NPI 1548614183 (714) 545-3390

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 91030 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Iris Lopez Luthi's NPI number?

The NPI number for Iris Lopez Luthi is 1639531312. It was assigned to this individual provider in the NPPES registry on March 22, 2016.

Where is Iris Lopez Luthi located?

Iris Lopez Luthi practices at 625 Fair Oaks Ave Ste 390, South Pasadena, CA 91030. The listed phone number is (626) 449-2484.

What is Iris Lopez Luthi's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Iris Lopez Luthi enrolled in Medicare?

Yes. Iris Lopez Luthi 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 organization bills Medicare for Iris Lopez Luthi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Iris Lopez Luthi reassigns Medicare benefits to Cognitive Care Solutions Group Inc (Santa Ana, 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 Iris Lopez Luthi'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 Iris Lopez Luthi was last updated on March 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.