DR. JOSEPH CHAO M.D.
NPI 1285831057
Internal Medicine - Medical Oncology in Duarte, CA

Q: What is Joseph Chao's NPI number?

The NPI number for Joseph Chao is 1285831057. It was assigned to this individual provider in the NPPES registry on June 27, 2007.

Q: What is Joseph Chao's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Q: When was this NPI record last updated?

The NPPES record for Joseph Chao was last updated on November 18, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 27, 2007PECOS Enrolled

99.12/100

CMS Quality Rating

1500 DUARTE RD, DUARTE, CA 91010(626) 471-9200(626) 301-8233 Get Directions Write a Review

NPPES record last updated: November 18, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 18, 2020, Mar 13, 2018, Jul 12, 2017 (3 updates tracked since 2017).

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About Dr. Joseph Chao M.d. NPPES

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

DR. JOSEPH CHAO M.D. (NPI 1285831057) is an individual medical oncology provider in Duarte, California, licensed in California (A94368) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285831057

Entity TypeIndividualMale

Primary Taxonomy207RX0202X

Provider Legal NameDR. JOSEPH CHAOCredential: M.D.

Location Address1500 DUARTE RDDuarte, CA 91010-3012

Mailing AddressPo Box 512185Los Angeles, CA 90051-0185 · (626) 775-3514 · Fax (626) 218-5310

Phone(626) 471-9200

Fax(626) 301-8233

Sole ProprietorYes

Enumeration DateJune 27, 2007

Last NPPES UpdateNovember 18, 20203 updates tracked since enumeration

NPPES CertifiedNovember 18, 2020

✔ NPI 1285831057 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RX0202X

License✔ Licensed in CA · A94368

Definition

An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License A94368 (CA)

Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License A94368 (CA)

1500 DUARTE RD, Duarte, CA 91010

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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)

Dr. Joseph Chao M.d. 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 91010 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

$187.60 typical visit price

range $62.96 – $187.60

Typical copayment $46.90 (range $15.74 – $46.90)

Most-billed visit code 99205

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.

99.12/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

85.23

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185

Other-Enteral and Parenteral · category OB005N

2 suppliers15 claims388 services$6.07 avg. paid by Medicare

Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements, and vitamins, including preparation, any strength, 52 to 73 grams of protein - premix B4193

Other-Enteral and Parenteral · category OB005N

1 supplier63 claims365 services$230.09 avg. paid by Medicare

Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of protein - premix B4197

Other-Enteral and Parenteral · category OB005N

2 suppliers13 claims82 services$278.52 avg. paid by Medicare

Parenteral nutrition supply kit; premix, per day B4220

Other-Enteral and Parenteral · category OB005N

2 suppliers76 claims447 services$7.90 avg. paid by Medicare

Parenteral nutrition administration kit, per day B4224

Other-Enteral and Parenteral · category OB005N

2 suppliers76 claims447 services$24.71 avg. paid by Medicare

Parenteral nutrition infusion pump, portable B9004

Other-Enteral and Parenteral · category OB005N

2 suppliers12 claims12 services$400.05 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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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.

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