ALLEN K CHANG D.O.
NPI 1801239975
Hospitalist in Torrance, CA

Q: What is Allen Chang's NPI number?

The NPI number for Allen Chang is 1801239975. It was assigned to this individual provider in the NPPES registry on April 9, 2013.

Q: What is Allen Chang's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Allen Chang was last updated on December 7, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 09, 2013PECOS Enrolled

3330 LOMITA BLVD, HEALTHCARE PARTNERS, TORRANCE, CA 90505(310) 325-9110 Get Directions Write a Review

NPPES record last updated: December 7, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 7, 2025, Sep 13, 2016 (2 updates tracked since 2016).

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About Allen K Chang D.o. NPPES

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

ALLEN K CHANG D.O. (NPI 1801239975) is an individual hospitalist provider in Torrance, California, licensed in California (20A13757) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801239975

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameALLEN K CHANGCredential: D.O.

Location Address3330 LOMITA BLVD, HEALTHCARE PARTNERSTorrance, CA 90505-5002

Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203

Phone(310) 325-9110

Sole ProprietorNo

Enumeration DateApril 9, 2013

Last NPPES UpdateDecember 7, 20252 updates tracked since enumeration

NPPES CertifiedDecember 7, 2025

✔ NPI 1801239975 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in CA · 20A13757

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.

3330 LOMITA BLVD, Torrance, CA 90505

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Allen K Chang D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90505 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.

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