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DEREK CHEUNG MD
NPI 1336671981
Internal Medicine in San Marino, CA

Active since April 03, 2017PECOS Enrolled
80.51/100
CMS Quality Rating
375 HUNTINGTON DR STE G, SAN MARINO, CA 91108(626) 441-4231 Get Directions Write a Review

NPPES record last updated: January 22, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 22, 2022, Sep 30, 2020 (2 updates tracked since 2020).

About Derek Cheung Md NPPES

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

DEREK CHEUNG MD (NPI 1336671981) is an individual internal medicine provider in San Marino, California, licensed in California (A158438) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336671981
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDEREK CHEUNGCredential: MD
Location Address375 HUNTINGTON DR STE GSan Marino, CA 91108-2357
Mailing Address229 Florence AveMonterey Park, CA 91755-2075 · (661) 609-2978
Phone(626) 441-4231
Sole ProprietorNo
Enumeration DateApril 3, 2017
Last NPPES UpdateJanuary 22, 20222 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2022
✔ NPI 1336671981 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A158438
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
375 HUNTINGTON DR STE G, San Marino, CA 91108
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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)

Derek Cheung Md 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 91108 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.

80.51/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.87
Promoting Interoperability96
Improvement Activities40
Cost62.52

Referred Medical Equipment & Supplies CMS DME claims 2

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$12.38 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$54.57 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

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

JOHN GINHSUN WEAR
Internal Medicine
375 HUNTINGTON DR STE G
SAN MARINO, CA 91108
Los Angeles County (626) 441-4231
YA-GIN HANNA HUANG MD
Internal Medicine
375 HUNTINGTON DR STE G
SAN MARINO, CA 91108
Los Angeles County (626) 441-4231
JENNIFER OH NP
Nurse Practitioner (Family)
375 HUNTINGTON DR STE G
SAN MARINO, CA 91108
Los Angeles County (626) 441-4231
DR. SONYA M EHRESMANN M.D.
Internal Medicine
375 HUNTINGTON DR STE G
SAN MARINO, CA 91108
Los Angeles County (626) 441-4231

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 Derek Cheung's NPI number?

The NPI number for Derek Cheung is 1336671981. It was assigned to this individual provider in the NPPES registry on April 3, 2017.

Where is Derek Cheung located?

Derek Cheung practices at 375 Huntington Dr Ste G, San Marino, CA 91108. The listed phone number is (626) 441-4231.

What is Derek Cheung's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Derek Cheung enrolled in Medicare?

Yes. Derek Cheung is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Derek Cheung was last updated on January 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.