DR. WILLIAM LOWELL SIEGFRIED M.D.
NPI 1821162041
Psychiatry & Neurology - Psychiatry in Fresno, CA

Q: What is William Siegfried's NPI number?

The NPI number for William Siegfried is 1821162041. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Q: What is William Siegfried's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Siegfried was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 November 20, 2006

5151 N PALM AVE, SUITE 800, FRESNO, CA 93704(559) 499-1233(559) 499-1232 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. William Lowell Siegfried M.d. NPPES

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

DR. WILLIAM LOWELL SIEGFRIED M.D. (NPI 1821162041) is an individual psychiatry provider in Fresno, California, licensed in California (G40134) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1821162041

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. WILLIAM LOWELL SIEGFRIEDCredential: M.D.

Location Address5151 N PALM AVE, SUITE 800Fresno, CA 93704-2211

Mailing Address5151 N Palm Ave, Suite 800Fresno, CA 93704-2211 · (559) 499-1233 · Fax (559) 499-1232

Phone(559) 499-1233

Fax(559) 499-1232

Sole ProprietorYes

Enumeration DateNovember 20, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1821162041 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 · G40134

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.

5151 N PALM AVE, Fresno, CA 93704

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Other Identifiers 1

OtherG40134CA · Ca State Licence

Other Providers at the Same Location NPPES 20

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

MELVIN D HAMEL PH.D.

Psychologist (Clinical)

5151 N PALM AVE, SUITE 980
FRESNO, CA 93704

Fresno County (559) 355-5004

DR. RONALD LAWRENCE GANDOLFO PHD

Psychologist (Clinical)

5151 N PALM AVE, SUITE 605
FRESNO, CA 93704

Fresno County (559) 226-9488

DR. ALESHA JANELLE JENSEN O.D.

Optometrist

5151 N PALM AVE, SUITE 150
FRESNO, CA 93704

Fresno County (559) 229-7202

DR. THOMAS W SHAFFER PHD

Psychologist (Clinical)

5151 N PALM AVE, STE #980
FRESNO, CA 93704

Fresno County (559) 226-6997

MS. PATTY L. BUNKER M.A., MFT

Marriage & Family Therapist

5151 N PALM AVE, STE 405
FRESNO, CA 93704

Fresno County (559) 222-2300

DR. KIMBERLY ANN DOUGHERTY PHD

Psychologist

5151 N PALM AVE, #890
FRESNO, CA 93704

Fresno County (559) 225-8960

ELIZABETH KIRSTEN HONEYMAN PH.D.

Psychologist (Clinical)

5151 N PALM AVE, SUITE 750
FRESNO, CA 93704

Fresno County (559) 226-0198

DR. E DENNIS CHINN O D

Optometrist

5151 N PALM AVE, SUITE 530
FRESNO, CA 93704

Fresno County (559) 224-8302

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 William Siegfried's NPI number?

The NPI number for William Siegfried is 1821162041. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Where is William Siegfried located?

William Siegfried practices at 5151 N Palm Ave Suite 800, Fresno, CA 93704. The listed phone number is (559) 499-1233.

What is William Siegfried's specialty?

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

When was this NPI record last updated?

The NPPES record for William Siegfried was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.