DR. ALAN A. MODARRESSI PH.D.
NPI 1598889230
Psychologist - Clinical in Downey, CA

Q: What is Alan Modarressi's NPI number?

The NPI number for Alan Modarressi is 1598889230. It was assigned to this individual provider in the NPPES registry on March 19, 2007.

Q: What is Alan Modarressi's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Alan Modarressi was last updated on July 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since March 19, 2007PECOS EnrolledAccepts Medicare Assignment

10800 PARAMOUNT BLVD STE 202, DOWNEY, CA 90241(562) 861-7226(562) 861-6876 Get Directions Write a Review

NPPES record last updated: July 30, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 30, 2024, May 19, 2020 (2 updates tracked since 2020).

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About Dr. Alan A. Modarressi Ph.d. NPPES

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

DR. ALAN A. MODARRESSI PH.D. (NPI 1598889230) is an individual clinical provider in Downey, California, licensed in California (PSY12997) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1598889230

Entity TypeIndividualMale

Primary Taxonomy103TC0700X

Provider Legal NameDR. ALAN A. MODARRESSICredential: PH.D.

Location Address10800 PARAMOUNT BLVD STE 202Downey, CA 90241-3317

Mailing Address10800 Paramount Blvd Ste 202Downey, CA 90241-3317 · (562) 861-7226 · Fax (562) 861-6876

Phone(562) 861-7226

Fax(562) 861-6876

Sole ProprietorYes

Medical School CMSOtherGraduated 1991

Enumeration DateMarch 19, 2007

Last NPPES UpdateJuly 30, 20242 updates tracked since enumeration

NPPES CertifiedJuly 30, 2024

✔ NPI 1598889230 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 · PSY12997

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.

10800 PARAMOUNT BLVD STE 202, Downey, CA 90241

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Alan A. Modarressi Ph.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 ID2264596659

PECOS Enrollment IDI20090129000563

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90241 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.

Other Providers at the Same Location NPPES

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

ALAN A MODARRESSI PHD A PROFESSIONAL PSYCHOLOGICAL CORP

Clinic/Center (Mental Health (Including Community Mental Health Center))

10800 PARAMOUNT BLVD STE 202
DOWNEY, CA 90241

Los Angeles County (562) 861-7226

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 Alan Modarressi's NPI number?

The NPI number for Alan Modarressi is 1598889230. It was assigned to this individual provider in the NPPES registry on March 19, 2007.

Where is Alan Modarressi located?

Alan Modarressi practices at 10800 Paramount Blvd Ste 202, Downey, CA 90241. The listed phone number is (562) 861-7226.

What is Alan Modarressi's specialty?

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

Is Alan Modarressi enrolled in Medicare?

Yes. Alan Modarressi 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.

What insurance does Alan Modarressi accept?

Health plans from Providence Health Plan list Alan Modarressi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Alan Modarressi was last updated on July 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.