HIROYUKI SHIMADA MD
NPI 1588857429
Pathology - Anatomic Pathology in Stanford, CA

Active since August 23, 2007PECOS EnrolledAccepts Medicare Assignment
76.5/100
CMS Quality Rating
300 PASTEUR DR, STANFORD, CA 94305(650) 723-8000 Get Directions Write a Review

NPPES record last updated: March 13, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Hiroyuki Shimada Md NPPES

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

HIROYUKI SHIMADA MD (NPI 1588857429) is an individual anatomic pathology provider in Stanford, California, licensed in California (A96085) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1973).

NPPES Registry Identity

NPI1588857429
Entity TypeIndividualMale
Primary Taxonomy207ZP0101X
Provider Legal NameHIROYUKI SHIMADACredential: MD
Location Address300 PASTEUR DRStanford, CA 94305-2200
Mailing Address300 Pasteur DrStanford, CA 94305-2200
Sole ProprietorNo
Medical School CMSOtherGraduated 1973
Enumeration DateAugust 23, 2007
Last NPPES UpdateMarch 13, 2024
NPPES CertifiedMarch 13, 2024
✔ NPI 1588857429 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPathology · Anatomic PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0101X
License✔ Licensed in CA · A96085
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X · License A95085 (CA)
Also ListedPathology · Pediatric PathologyTaxonomy 207ZP0213X · License A96085 (CA)
300 PASTEUR DR, Stanford, CA 94305

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

Hiroyuki Shimada 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 ID7012043599
PECOS Enrollment IDI20100414000227
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

3

Medicare enrollment records show Hiroyuki Shimada reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
300 PASTEUR DRIVE
Stanford, CA 94305
  • Reassigned Medicare billing, California enrollment
  • 4,258 clinicians in this Medicare group
Children
725 WELCH RD
Palo Alto, CA 94304
  • Reassigned Medicare billing, California enrollment
  • 3,617 clinicians in this Medicare group
Anatomic Pathology & Clinical Pathology
4650 W SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • 23 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94305 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.31
Promoting Interoperability100
Improvement Activities40
Cost43.95

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.

Internal Medicine (Gastroenterology)
300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305
Radiology (Vascular & Interventional Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Radiology (Diagnostic Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Nurse Practitioner
300 PASTEUR DR
STANFORD, CA 94305
Neurological Surgery
300 PASTEUR DR
STANFORD, CA 94305
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR, LANE 235
STANFORD, CA 94305
Internal Medicine (Critical Care Medicine)
300 PASTEUR DR
STANFORD, CA 94305

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 Hiroyuki Shimada's NPI number?

The NPI number for Hiroyuki Shimada is 1588857429. It was assigned to this individual provider in the NPPES registry on August 23, 2007.

Where is Hiroyuki Shimada located?

Hiroyuki Shimada practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-8000.

What is Hiroyuki Shimada's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.

Is Hiroyuki Shimada enrolled in Medicare?

Yes. Hiroyuki Shimada 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 Hiroyuki Shimada's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hiroyuki Shimada reassigns Medicare benefits to 3 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA) and Chlamg-Pathology LP (Los Angeles, CA). 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 Hiroyuki Shimada's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Hiroyuki Shimada was last updated on March 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.