MATHEW HASSO
NPI 1679205207
Hospitalist in Inglewood, CA

Active since July 01, 2022PECOS Enrolled
555 E HARDY ST, INGLEWOOD, CA 90301(310) 673-4660 Get Directions Write a Review

NPPES record last updated: September 6, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 6, 2025, Jul 15, 2022 (2 updates tracked since 2022).

About Mathew Hasso NPPES

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

MATHEW HASSO (NPI 1679205207) is an individual hospitalist provider in Inglewood, California, licensed in California (A198082) and active in the NPI registry since July 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2011).

NPPES Registry Identity

NPI1679205207
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameMATHEW HASSO
Location Address555 E HARDY STInglewood, CA 90301-4011
Mailing Address555 E Hardy StInglewood, CA 90301-4011
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJuly 1, 2022
Last NPPES UpdateSeptember 6, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 6, 2025
✔ NPI 1679205207 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · A198082
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
555 E HARDY ST, Inglewood, CA 90301

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mathew Hasso is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9133635840
PECOS Enrollment IDI20250721001501
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 Mathew Hasso reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
555 E HARDY ST
Inglewood, CA 90301
  • Reassigned Medicare billing, California enrollment
  • 19 clinicians in this Medicare group
Infectious Disease
11103 VENICE BLVD
Los Angeles, CA 90034
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Minghsun Liu MD PC
  • 95 clinicians in this Medicare group
Infectious Disease
11103 VENICE BLVD
Los Angeles, CA 90034
  • Reassigned Medicare billing, California enrollment
  • 40 clinicians in this Medicare group
Adult Medicine
10906 RIVERSIDE DR, UNIT A
North Hollywood, CA 91602
  • Reassigned Medicare billing, California enrollment
  • 2 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 90301 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.

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.

Nurse Practitioner (Acute Care)
555 E HARDY ST
INGLEWOOD, CA 90301
Social Worker
555 E HARDY ST
INGLEWOOD, CA 90301
Student in an Organized Health Care Education/Training Program
555 E HARDY ST
INGLEWOOD, CA 90301
Nurse Practitioner (Family)
555 E HARDY ST
INGLEWOOD, CA 90301
Student in an Organized Health Care Education/Training Program
555 E HARDY ST
INGLEWOOD, CA 90301
Registered Nurse
555 E HARDY ST
INGLEWOOD, CA 90301
Student in an Organized Health Care Education/Training Program
555 E HARDY ST
INGLEWOOD, CA 90301
Dietitian, Registered
555 E HARDY ST
INGLEWOOD, CA 90301

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 Mathew Hasso's NPI number?

The NPI number for Mathew Hasso is 1679205207. It was assigned to this individual provider in the NPPES registry on July 1, 2022.

Where is Mathew Hasso located?

Mathew Hasso practices at 555 E Hardy St, Inglewood, CA 90301. The listed phone number is (310) 673-4660.

What is Mathew Hasso's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Mathew Hasso enrolled in Medicare?

Yes. Mathew Hasso is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mathew Hasso's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mathew Hasso reassigns Medicare benefits to 4 organizations: Centinela Hospitalist Medical Group Inc (Inglewood, CA), Minghsun Liu, M.D., PC (Los Angeles, CA), Wt Health Of California LLC (Los Angeles, CA) and Truhealth Medco Group Inc (North Hollywood, 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 Mathew Hasso's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mathew Hasso accept?

Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Mathew Hasso 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 Mathew Hasso was last updated on September 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.