MARK OKAWACHI PA-C
NPI 1114078631
Physician Assistant - Surgical in Walnut Creek, CA

Active since January 12, 2007PECOS Enrolled
1425 S MAIN ST, WALNUT CREEK, CA 94596(925) 295-4130 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Okawachi Pa-c NPPES

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

MARK OKAWACHI PA-C (NPI 1114078631) is an individual surgical provider in Walnut Creek, California, licensed in California (C16009) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114078631
Entity TypeIndividualMale
Primary Taxonomy363AS0400X
Provider Legal NameMARK OKAWACHICredential: PA-C
Location Address1425 S MAIN STWalnut Creek, CA 94596-5318
Mailing Address1022 Elm CtEl Cerrito, CA 94530-2602 · (510) 526-1612
Sole ProprietorYes
Enumeration DateJanuary 12, 2007
Last NPPES UpdateFebruary 11, 2022
NPI 1114078631 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AS0400X
License Licensed in CA · C16009
1425 S MAIN ST, Walnut Creek, CA 94596

Other Names 1

Professional Name (2)Mr. Mark Okawachi Pa-c

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mark Okawachi Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

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.

Emergency Medicine
1425 S MAIN ST, EMERGENCY MEDICINE DEPARTMENT
WALNUT CREEK, CA 94596
Hospitalist
1425 S MAIN ST, KAISER PERMANENTE WALNUT CREEK ATTN: HBS DEPT
WALNUT CREEK, CA 94596
Obstetrics & Gynecology
1425 S MAIN ST
WALNUT CREEK, CA 94596
General Acute Care Hospital
1425 S MAIN ST
WALNUT CREEK, CA 94596
Nurse Anesthetist, Certified Registered
1425 S MAIN ST
WALNUT CREEK, CA 94596
Surgery (Vascular Surgery)
1425 S MAIN ST
WALNUT CREEK, CA 94596
Social Worker (Clinical)
1425 S MAIN ST
WALNUT CREEK, CA 94596
Psychiatry & Neurology (Neurology)
1425 S MAIN ST
WALNUT CREEK, CA 94596

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 Mark Okawachi's NPI number?

The NPI number for Mark Okawachi is 1114078631. It was assigned to this individual provider in the NPPES registry on January 12, 2007. The provider is also known as Mr. Mark Okawachi Pa-C.

Where is Mark Okawachi located?

Mark Okawachi practices at 1425 S Main St, Walnut Creek, CA 94596. The listed phone number is (925) 295-4130.

What is Mark Okawachi's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Mark Okawachi enrolled in Medicare?

Yes. Mark Okawachi is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mark Okawachi was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.