EMILY RACHEL KOBAYASHI MD
NPI 1447637210
Surgery in Yakima, WA

Active since April 30, 2015PECOS EnrolledAccepts Medicare Assignment
210 S 11TH AVE STE 42, YAKIMA, WA 98902(509) 509-5790 Get Directions Write a Review

NPPES record last updated: December 19, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 19, 2024, Jan 15, 2021, Sep 28, 2020 (3 updates tracked since 2020).

About Emily Rachel Kobayashi Md NPPES

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

EMILY RACHEL KOBAYASHI MD (NPI 1447637210) is an individual surgery provider in Yakima, Washington, licensed in Washington (MD60954999) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Astria Toppenish Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1447637210
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameEMILY RACHEL KOBAYASHICredential: MD
Location Address210 S 11TH AVE STE 42Yakima, WA 98902-3221
Mailing Address210 S 11th Ave Ste 42Yakima, WA 98902-3221 · (509) 509-5790
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateApril 30, 2015
Last NPPES UpdateDecember 19, 20243 updates tracked since enumeration
NPPES CertifiedDecember 19, 2024
✔ NPI 1447637210 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in WA · MD60954999
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.
210 S 11TH AVE STE 42, Yakima, WA 98902

Other Names 1

Former Name (1)Emily Rachel Mitchell

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Emily Rachel Kobayashi Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931418316
PECOS Enrollment IDI20230404000704
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Emily Kobayashi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Same address
Surgery
210 S 11TH AVE STE 42
Yakima, WA 98902
  • Reassigned Medicare billing, Washington enrollment
  • 2 clinicians in this Medicare group
Family Medicine
210 S 11TH AVE STE 42
Yakima, WA 98902
  • Reassigned Medicare billing, Washington enrollment
  • 5 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Astria Toppenish Hospital

Acute Care Hospitals · Toppenish, WA
OwnershipVoluntary non-profit - Private
CMS Certification Number500037
Location502 W Fourth AveToppenish, WA 98948 · Yakima County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98902 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.29 typical visit price
range $57.27 – $172.80
Typical copayment $22.07 (range $14.31 – $43.20)
Most-billed visit code 99203
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

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

Colon & Rectal Surgery
210 S 11TH AVE STE 42
YAKIMA, WA 98902
Family Medicine
210 S 11TH AVE STE 42
YAKIMA, WA 98902
Nurse Practitioner (Family)
210 S 11TH AVE STE 42
YAKIMA, WA 98902
Surgery
210 S 11TH AVE STE 42
YAKIMA, WA 98902
Family Medicine
210 S 11TH AVE STE 42
YAKIMA, WA 98902
Family Medicine
210 S 11TH AVE STE 42
YAKIMA, WA 98902

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 Emily Kobayashi's NPI number?

The NPI number for Emily Kobayashi is 1447637210. It was assigned to this individual provider in the NPPES registry on April 30, 2015. The provider is also known as Emily Rachel Mitchell.

Where is Emily Kobayashi located?

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

What is Emily Kobayashi's specialty?

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

Is Emily Kobayashi enrolled in Medicare?

Yes. Emily Kobayashi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Emily Kobayashi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Emily Kobayashi reassigns Medicare benefits to 2 organizations: Kobayashi MD PLLC (Yakima, WA) and The Yakima Clinic PLLC (Yakima, WA). Each 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 Emily Kobayashi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Emily Kobayashi accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Emily Kobayashi 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.

Is Emily Kobayashi affiliated with any hospitals?

According to CMS data, Emily Kobayashi is affiliated with Astria Toppenish Hospital.

When was this NPI record last updated?

The NPPES record for Emily Kobayashi was last updated on December 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.