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DR. JOHN O. VIESSELMAN M.D.
NPI 1124096250
Psychiatry & Neurology - Child & Adolescent Psychiatry in Santa Ana, CA

Active since March 14, 2006
1666 N MAIN ST STE 400, SANTA ANA, CA 92701(714) 704-5900 Get Directions Write a Review

NPPES record last updated: February 6, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. John O. Viesselman M.d. NPPES

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

DR. JOHN O. VIESSELMAN M.D. (NPI 1124096250) is an individual child & adolescent psychiatry provider in Santa Ana, California, licensed in California (G25102) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1124096250
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameDR. JOHN O. VIESSELMANCredential: M.D.
Location Address1666 N MAIN ST STE 400Santa Ana, CA 92701-7417
Mailing Address24802 Rittenhouse CirLaguna Hills, CA 92653-4308 · (949) 855-1482
Phone(714) 704-5900
Sole ProprietorYes
Enumeration DateMarch 14, 2006
Last NPPES UpdateFebruary 6, 2014
✔ NPI 1124096250 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
Licenses✔ Licensed in CA · G25102✔ Licensed in HI · MD11763
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License G25102 (CA), MD11763 (HI)
1666 N MAIN ST STE 400, Santa Ana, CA 92701
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Other Providers at the Same Location NPPES 11

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

MS. PALOMA DEL CARMEN BAUTISTA
Social Worker (Clinical)
1666 N MAIN ST STE 400
SANTA ANA, CA 92701
Orange County (714) 704-5900
MS. VIRAPHONE PRAVONGVIENGKHAM
Social Worker (Clinical)
1666 N MAIN ST STE 400
SANTA ANA, CA 92701
Orange County (714) 704-5900
MRS. MARISOL MARTINEZ
Counselor (Mental Health)
1666 N MAIN ST STE 400
SANTA ANA, CA 92701
Orange County (714) 450-4191
MISS PARIE BAHARIAN
Counselor
1666 N MAIN ST STE 400
SANTA ANA, CA 92701
Orange County (714) 704-5900
JUAN MANUEL RODRIGUEZ
Social Worker (School)
1666 N MAIN ST STE 400
SANTA ANA, CA 92701
Orange County (714) 704-5900
DAHIANA GUADARRAMA MSW
Social Worker (Clinical)
1666 N MAIN ST STE 400
SANTA ANA, CA 92701
Orange County (714) 704-5900
KATHY LEE CABALLERO QUIMPO
Counselor (Mental Health)
1666 N MAIN ST STE 400
SANTA ANA, CA 92701
Orange County (714) 704-5900
ELIZABETH O'MALLEY LMFT
Marriage & Family Therapist
1666 N MAIN ST STE 400
SANTA ANA, CA 92701
Orange County (714) 704-5900

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 Viesselman's NPI number?

The NPI number for John Viesselman is 1124096250. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Where is John Viesselman located?

John Viesselman practices at 1666 N Main St Ste 400, Santa Ana, CA 92701. The listed phone number is (714) 704-5900.

What is John Viesselman's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

When was this NPI record last updated?

The NPPES record for John Viesselman was last updated on February 6, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.