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WILLIAM J KOCH M.D.
NPI 1821063686
Obstetrics & Gynecology in Eureka, CA

Active since February 22, 2006
2773 HARRIS ST, STE A, EUREKA, CA 95503(707) 444-9664(707) 444-8747 Get Directions Write a Review

NPPES record last updated: February 12, 2016. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About William J Koch M.d. NPPES

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

WILLIAM J KOCH M.D. (NPI 1821063686) is an individual obstetrics & gynecology provider in Eureka, California, licensed in California (G36829) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1821063686
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameWILLIAM J KOCHCredential: M.D.
Location Address2773 HARRIS ST, STE AEureka, CA 95503-4866
Mailing AddressPo Box 496084Redding, CA 96049-6084 · (530) 241-0473 · Fax (530) 229-3703
Phone(707) 444-9664
Fax(707) 444-8747
Sole ProprietorNo
Enumeration DateFebruary 22, 2006
Last NPPES UpdateFebruary 12, 2016
✔ NPI 1821063686 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · G36829
Definition

An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

2773 HARRIS ST, Eureka, CA 95503
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Other Identifiers 3

Medicaid00G368290CA
Medicare UPINA46826CA
Medicare ID-Type Unspecified00G368290CA

Other Providers at the Same Location NPPES 9

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

DR. MARTIN EDWARD TURKIS SR. O.D.
Optometrist
2773 HARRIS ST, SUITE H
EUREKA, CA 95503
Humboldt County (707) 445-4126
ERIC LIEBERMAN M.D.
Obstetrics & Gynecology
2773 HARRIS ST, STE A
EUREKA, CA 95503
Humboldt County (707) 444-9664
EVA JANSON F.N.P.
Nurse Practitioner (Family)
2773 HARRIS ST, STE A
EUREKA, CA 95503
Humboldt County (707) 444-8188
MARTIN E. TURKIS,OD,INC
Optometrist
2773 HARRIS ST, SUITE H
EUREKA, CA 95503
Humboldt County (707) 445-4126
DR. KARLA Z ROMAN DMD
Dentist
2773 HARRIS ST, STE B
EUREKA, CA 95503
Humboldt County (707) 444-0488
DR. GENA CHRISTINE PENNINGTON M.D.
Family Medicine
2773 HARRIS ST, SUITE F
EUREKA, CA 95503
Humboldt County (707) 445-1600
STEVEN E SCHONFELD DDS INC
Dentist (Periodontics)
2773 HARRIS ST, SUITE B
EUREKA, CA 95503
Humboldt County (707) 444-0488
OSTEOPOROSIS DIAGNOSTIC CENTER
Radiologic Technologist (Bone Densitometry)
2773 HARRIS ST, SUITE F
EUREKA, CA 95503
Humboldt County (707) 445-1600

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 Koch's NPI number?

The NPI number for William Koch is 1821063686. It was assigned to this individual provider in the NPPES registry on February 22, 2006.

Where is William Koch located?

William Koch practices at 2773 Harris St Ste A, Eureka, CA 95503. The listed phone number is (707) 444-9664.

What is William Koch's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

When was this NPI record last updated?

The NPPES record for William Koch was last updated on February 12, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.