JOHN NATHANIEL ALVAREZ
NPI 1912361106
Psychiatry & Neurology - Psychiatry in Fullerton, CA

Active since April 13, 2016PECOS EnrolledAccepts Medicare Assignment
401 E IMPERIAL HIGHWAY, FULLERTON, CA 92835(714) 447-7000(714) 447-7003 Get Directions Write a Review

NPPES record last updated: September 1, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 1, 2020, Aug 3, 2020 (2 updates tracked since 2020).

About John Nathaniel Alvarez NPPES

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

JOHN NATHANIEL ALVAREZ (NPI 1912361106) is an individual psychiatry provider in Fullerton, California, licensed in California (A155288) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS and is a graduate of Irvine California College Of Medicine (2016).

NPPES Registry Identity

NPI1912361106
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameJOHN NATHANIEL ALVAREZ
Location Address401 E IMPERIAL HIGHWAYFullerton, CA 92835
Mailing Address401 E Imperial HighwayFullerton, CA 92835 · (714) 477-7000 · Fax (714) 477-7003
Fax(714) 447-7003
Sole ProprietorNo
Medical School CMSIrvine California College Of MedicineGraduated 2016
Enumeration DateApril 13, 2016
Last NPPES UpdateSeptember 1, 20202 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2020
NPI 1912361106 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 · A155288
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.
401 E IMPERIAL HIGHWAY, Fullerton, CA 92835

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

John Nathaniel Alvarez 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 ID1951634054
PECOS Enrollment IDI20201023000889
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 92835 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.

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 John Alvarez's NPI number?

The NPI number for John Alvarez is 1912361106. It was assigned to this individual provider in the NPPES registry on April 13, 2016.

Where is John Alvarez located?

John Alvarez practices at 401 E Imperial Highway, Fullerton, CA 92835. The listed phone number is (714) 447-7000.

What is John Alvarez's specialty?

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

Is John Alvarez enrolled in Medicare?

Yes. John Alvarez 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.

When was this NPI record last updated?

The NPPES record for John Alvarez was last updated on September 1, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.