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THOMAS G. HIROSE M.D.
NPI 1114960861
Pathology - Anatomic Pathology & Clinical Pathology in Laguna Hills, CA

Active since June 13, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
24407 CALLE DE LA LOUISA STE 100, LAGUNA HILLS, CA 92653(949) 581-0555(949) 581-7555 Get Directions Write a Review

NPPES record last updated: March 5, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Mar 5, 2021, Feb 12, 2021, Jan 11, 2021 (3 updates tracked since 2021).

About Thomas G. Hirose M.d. NPPES

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

THOMAS G. HIROSE M.D. (NPI 1114960861) is an individual anatomic pathology & clinical pathology provider in Laguna Hills, California, licensed in California (G66676) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (1987).

NPPES Registry Identity

NPI1114960861
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameTHOMAS G. HIROSECredential: M.D.
Location Address24407 CALLE DE LA LOUISA STE 100Laguna Hills, CA 92653-3650
Mailing Address24407 Calle De La Louisa Ste 100Laguna Hills, CA 92653-3650 · (949) 310-5700 · Fax (310) 373-0600
Phone(949) 581-0555
Fax(949) 581-7555
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 1987
Enumeration DateJune 13, 2006
Last NPPES UpdateMarch 5, 20213 updates tracked since enumeration
NPPES CertifiedMarch 5, 2021
✔ NPI 1114960861 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in CA · G66676
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 · Blood Banking & Transfusion MedicineTaxonomy 207ZB0001X · License G66676 (CA)
24407 CALLE DE LA LOUISA STE 100, Laguna Hills, CA 92653
Open in Google Maps ↗

Other Identifiers 1

Medicaid00G666760CA

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

Thomas G. Hirose M.d. 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 ID6002853439
PECOS Enrollment IDI20050415000888
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

4

Medicare enrollment records show Thomas Hirose reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Tma Coagulation Specialists
Same address
Anatomic Pathology & Clinical Pathology
24407 CALLE DE LA LOUISA STE 100
Laguna Hills, CA 92653
  • Reassigned Medicare billing, California enrollment
NPI 1013143825 (949) 581-0555
Thomas G Hirose MD Apc
Same address
Anatomic Pathology & Clinical Pathology
24407 CALLE DE LA LOUISA STE 100
Laguna Hills, CA 92653
  • Reassigned Medicare billing, California enrollment
  • 2 clinicians in this Medicare group
NPI 1275622748 (310) 373-5700
County Of Los Angeles Auditor Controller
30 mi
Clinic/Center
10005 FLOWER ST
Bellflower, CA 90706
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of Los Angeles
  • 1,939 clinicians in this Medicare group
NPI 1689695892 (310) 518-8803
Affiliated Pathologists Medical Group, Inc.
34 mi
Anatomic Pathology & Clinical Pathology
20001 S RANCHO WAY
Rancho Dominguez, CA 90220
  • Reassigned Medicare billing, California enrollment
  • 62 clinicians in this Medicare group
NPI 1730119553 (310) 225-3221

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

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
1,781 services169 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
131 services128 patients
Blood bank physician services for cross match and/or evaluation and written report 86077
Blood bank physician services for cross match involve testing your blood against donor blood to ensure compatibility before a transfusion. The evaluation includes a detailed analysis of your blood type and antibodies. A written report will be provided, summarizing the findings.
88 services57 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
25 services25 patients
Blood bank physician services with written report 86079
A blood bank physician service involves a specialized doctor overseeing all aspects of blood collection, storage, and transfusion. They ensure the process is safe and effective. A written report details all procedures and findings for your reference and understanding.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92653 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost90.14

Reported Quality Measures

Provide Patients Electronic Access to Their Health Information
100%265 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 3

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

TMA COAGULATION SPECIALISTS
Pathology (Anatomic Pathology & Clinical Pathology)
24407 CALLE DE LA LOUISA STE 100
LAGUNA HILLS, CA 92653
Orange County (949) 581-0555
THOMAS G HIROSE MD APC
Pathology (Anatomic Pathology & Clinical Pathology)
24407 CALLE DE LA LOUISA STE 100
LAGUNA HILLS, CA 92653
Orange County (310) 373-5700
CALIFORNIA MOLECULAR REFERENCE LABORATORIES
Clinical Medical Laboratory
24407 CALLE DE LA LOUISA STE 100
LAGUNA HILLS, CA 92653
Orange County (949) 581-0555

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 Thomas Hirose's NPI number?

The NPI number for Thomas Hirose is 1114960861. It was assigned to this individual provider in the NPPES registry on June 13, 2006.

Where is Thomas Hirose located?

Thomas Hirose practices at 24407 Calle De La Louisa Ste 100, Laguna Hills, CA 92653. The listed phone number is (949) 581-0555.

What is Thomas Hirose's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Thomas Hirose enrolled in Medicare?

Yes. Thomas Hirose 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 Thomas Hirose's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Hirose reassigns Medicare benefits to 4 organizations: Tma Coagulation Specialists (Laguna Hills, CA), Thomas G Hirose MD Apc (Laguna Hills, CA), County Of Los Angeles Auditor Controller (Bellflower, CA) and Affiliated Pathologists Medical Group, Inc. (Rancho Dominguez, 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 Thomas Hirose'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 Thomas Hirose was last updated on March 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.