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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. PRESTON IGWE MD
NPI 1639758485
Psychiatry & Neurology - Psychiatry in Norwalk, CA

Active since April 07, 2021PECOS Enrolled
12440 IMPERIAL HWY STE 770, NORWALK, CA 90650(800) 854-7771 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 14, 2026, Mar 1, 2023, Apr 7, 2021 (3 updates tracked since 2021).

About Dr. Preston Igwe Md NPPES

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

DR. PRESTON IGWE MD (NPI 1639758485) is an individual psychiatry provider in Norwalk, California, licensed in California (A199946) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639758485
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. PRESTON IGWECredential: MD
Location Address12440 IMPERIAL HWY STE 770Norwalk, CA 90650-3177
Mailing Address12440 Imperial Hwy Ste 770Norwalk, CA 90650-3177
Phone(800) 854-7771
Sole ProprietorNo
Enumeration DateApril 7, 2021
Last NPPES UpdateAugust 14, 20263 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
✔ NPI 1639758485 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A199946
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.
Also ListedSpecialistTaxonomy 174400000X
12440 IMPERIAL HWY STE 770, Norwalk, CA 90650
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Preston Igwe 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90650 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 3

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

DEBBIE DELOISE HENDLEY PSYD
Psychologist
12440 IMPERIAL HWY STE 770
NORWALK, CA 90650
Los Angeles County (949) 878-1670
MR. DWYANE JOSEPH CLEMENTS I
Counselor (Addiction (Substance Use Disorder))
12440 IMPERIAL HWY STE 770
NORWALK, CA 90650
Los Angeles County (562) 402-0688
CRISTHINA VANESSA CARRILLO REGISTERED NURSE
Registered Nurse
12440 IMPERIAL HWY STE 770
NORWALK, CA 90650
Los Angeles County (323) 351-0138

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 Preston Igwe's NPI number?

The NPI number for Preston Igwe is 1639758485. It was assigned to this individual provider in the NPPES registry on April 7, 2021.

Where is Preston Igwe located?

Preston Igwe practices at 12440 Imperial Hwy Ste 770, Norwalk, CA 90650. The listed phone number is (800) 854-7771.

What is Preston Igwe's specialty?

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

Is Preston Igwe enrolled in Medicare?

Yes. Preston Igwe is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Preston Igwe was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.