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KOBAYASHI MD PLLC
NPI 1639987910
Surgery in Yakima, WA

Active since December 19, 2024
210 S 11TH AVE STE 42, YAKIMA, WA 98902(509) 509-5790(509) 509-5791 Get Directions Write a Review

NPPES record last updated: April 14, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 14, 2026, May 30, 2025, Dec 19, 2024 (3 updates tracked since 2024).

About Kobayashi Md Pllc NPPES

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

KOBAYASHI MD PLLC (NPI 1639987910), doing business as Yakima General Surgery, is a healthcare organization registered as a surgery in Yakima, Washington and active in the NPI registry since December 2024. The organization lists Akira Kobayashi, Ceo, as its authorized official.

NPPES Registry Identity

NPI1639987910
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameKOBAYASHI MD PLLC
Location Address210 S 11TH AVE STE 42Yakima, WA 98902-3221
Mailing Address210 S 11th Ave Ste 42Yakima, WA 98902-3221 · (509) 509-5790 · Fax (509) 509-5791
Phone(509) 509-5790
Fax(509) 509-5791
Organization SubpartNo
Authorized OfficialAkira KobayashiCeo · (650) 773-8174
Enumeration DateDecember 19, 2024
Last NPPES UpdateApril 14, 20263 updates tracked since enumeration
NPPES CertifiedApril 14, 2026
✔ NPI 1639987910 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedClinic/CenterTaxonomy 261Q00000X
210 S 11TH AVE STE 42, Yakima, WA 98902
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Other Names 2

Doing Business AsYakima General Surgery
Doing Business AsYakima Mens Clinic

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kobayashi Md Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Kobayashi MD PLLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Akira Kobayashi, MD
Emergency Medicine
NPI 1821483751
210 S 11TH AVE STE 42
Yakima, WA 98902
(509) 509-5797
✔ PECOS✔ Accepts MedicareSame address
Emily Kobayashi, MD
General Surgery
NPI 1447637210
210 S 11TH AVE STE 42
Yakima, WA 98902
(509) 509-5790
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Kobayashi MD PLLC's NPI number?

The NPI number for Kobayashi MD PLLC is 1639987910. It was assigned to this organization in the NPPES registry on December 19, 2024. The provider is doing business as Yakima General Surgery and Yakima Mens Clinic.

Where is Kobayashi MD PLLC located?

Kobayashi MD PLLC is located at 210 S 11th Ave Ste 42, Yakima, WA 98902. The listed phone number is (509) 509-5790.

What is Kobayashi MD PLLC's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Kobayashi MD PLLC enrolled in Medicare?

Yes. Kobayashi MD PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Kobayashi MD PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Kobayashi MD PLLC, in Emergency Medicine and General Surgery. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Kobayashi MD PLLC accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Kobayashi MD PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Kobayashi MD PLLC was last updated on April 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.