DR. HOWARD S SIEGEL M.D.
NPI 1669589750
Pediatrics in Garden Grove, CA

Q: What is Howard Siegel's NPI number?

The NPI number for Howard Siegel is 1669589750. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Q: What is Howard Siegel's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Howard Siegel was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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 August 24, 2006

12062 VALLEY VIEW ST, SUITE 200, GARDEN GROVE, CA 92845(714) 908-5636(714) 908-5616 Get Directions Write a Review

NPPES record last updated: February 24, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Howard S Siegel M.d. NPPES

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

DR. HOWARD S SIEGEL M.D. (NPI 1669589750) is an individual pediatrics provider in Garden Grove, California, licensed in California (A50183) and active in the NPI registry since August 2006. He maintains a secondary practice location in Ontario.

NPPES Registry Identity

NPI1669589750

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. HOWARD S SIEGELCredential: M.D.

Location Address12062 VALLEY VIEW ST, SUITE 200Garden Grove, CA 92845-1737

Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203

Phone(714) 908-5636

Fax(714) 908-5616

Sole ProprietorNo

Enumeration DateAugust 24, 2006

Last NPPES UpdateFebruary 24, 2026

NPPES CertifiedFebruary 24, 2026

✔ NPI 1669589750 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · A50183

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

12062 VALLEY VIEW ST, Garden Grove, CA 92845

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Secondary Practice Location 1

Location 13990 Concours Fl 5Ontario, CA 91764-7970 · Phone (909) 605-8000

Other Identifiers 1

Medicaid00A501830CA

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.

FIRST TOUCH HOME HEALTH CARE INC.

Home Health

12062 VALLEY VIEW ST, 224A
GARDEN GROVE, CA 92845

Orange County (657) 227-3867

FIRST HEALTHCARE MEDICAL GROUP, INC.

General Practice

12062 VALLEY VIEW ST
GARDEN GROVE, CA 92845

Orange County (714) 892-2333

MS. SHARANYA SEKHRI SLP

Speech-Language Pathologist

12062 VALLEY VIEW ST, SUITE 137
GARDEN GROVE, CA 92845

Orange County (714) 901-1518

TAYLOR PAIGE MCGEE

Assistant Behavior Analyst

12062 VALLEY VIEW ST
GARDEN GROVE, CA 92845

Orange County (562) 356-8600

SAVANNAH L KIRK

Behavior Technician

12062 VALLEY VIEW ST
GARDEN GROVE, CA 92845

Orange County (714) 379-1411

COURDIN MOHENG RPE-SLP, M.A.

Speech-Language Pathologist

12062 VALLEY VIEW ST, 137
GARDEN GROVE, CA 92845

Orange County (714) 901-1518

DAVID MATHIAS CHAN L. AC.

Acupuncturist

12062 VALLEY VIEW ST, SUITE 225A
GARDEN GROVE, CA 92845

Orange County (714) 379-5215

DR. PAULINE MARIE SMITSON D.C.

Chiropractor

12062 VALLEY VIEW ST, SUITE 133
GARDEN GROVE, CA 92845

Orange County (714) 892-0888

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 Howard Siegel's NPI number?

The NPI number for Howard Siegel is 1669589750. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Where is Howard Siegel located?

Howard Siegel practices at 12062 Valley View St Suite 200, Garden Grove, CA 92845. The listed phone number is (714) 908-5636.

What is Howard Siegel's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Howard Siegel was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.