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DR. CHIEH-JEN CALVIN YANG MD.,
NPI 1982646022
Radiology - Diagnostic Radiology in Alhambra, CA

Active since June 12, 2006PECOS Enrolled
320 S GARFIELD AVE, SUITE #102, ALHAMBRA, CA 91801(626) 281-4487(626) 457-5630 Get Directions Write a Review

NPPES record last updated: August 4, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Chieh-jen Calvin Yang Md., NPPES

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

DR. CHIEH-JEN CALVIN YANG MD., (NPI 1982646022) is an individual diagnostic radiology provider in Alhambra, California, licensed in California (A45194) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1982646022
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. CHIEH-JEN CALVIN YANGCredential: MD.,
Location Address320 S GARFIELD AVE, SUITE #102Alhambra, CA 91801-3886
Mailing Address320 S Garfield Ave, Suite #102Alhambra, CA 91801-3886 · (626) 281-4487 · Fax (626) 457-5630
Phone(626) 281-4487
Fax(626) 457-5630
Sole ProprietorNo
Enumeration DateJune 12, 2006
Last NPPES UpdateAugust 4, 2020
NPPES CertifiedAugust 4, 2020
✔ NPI 1982646022 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · A45194
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedSpecialistTaxonomy 174400000X
320 S GARFIELD AVE, Alhambra, CA 91801
Open in Google Maps ↗

Other Identifiers 1

Medicaid00A451940CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Chieh-jen Calvin Yang 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.

Medicare Billing Reassignment

Medicare enrollment records show Chieh-jen Yang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

United Premier Physicians Inc
2.7 mi
Diagnostic Radiology
312 N GARFIELD AVE
Monterey Park, CA 91754
  • Reassigned Medicare billing, California enrollment
  • 12 clinicians in this Medicare group
NPI 1831853266 (626) 572-2889

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 91801 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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.

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
100%399 patients
Radiology: Reminder System for Screening Mammograms
Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram
100%1,095 patients
Radiology: Stenosis Measurement in Carotid Imaging Reports
Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…
100%60 patients
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 15

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

DAVID KW LIEU
Clinical Medical Laboratory
320 S GARFIELD AVE, # 278
ALHAMBRA, CA 91801
Los Angeles County (626) 281-7800
CHINATOWN SERVICE CENTER
Case Manager/Care Coordinator
320 S GARFIELD AVE, SUITE 118
ALHAMBRA, CA 91801
Los Angeles County (626) 773-3388
DR. TANYA THUY NGUYEN M.D.
Pediatrics
320 S GARFIELD AVE, SUITE 288
ALHAMBRA, CA 91801
Los Angeles County (626) 607-0288
HSU-LING HSEU HSIEH O.T.
Occupational Therapist
320 S GARFIELD AVE, 302
ALHAMBRA, CA 91801
Los Angeles County (626) 300-8341
DR. MAX WEILUEN CHIOU MD
Internal Medicine
320 S GARFIELD AVE, STE 106
ALHAMBRA, CA 91801
Los Angeles County (626) 573-9875
DR. BRIAN CHIN-JEN SU M.D.
Obstetrics & Gynecology (Reproductive Endocrinology)
320 S GARFIELD AVE, SUITE 226
ALHAMBRA, CA 91801
Los Angeles County (626) 943-9536
HSIEH CHIROPRACTIC CORP
Chiropractor
320 S GARFIELD AVE, SUITE 302
ALHAMBRA, CA 91801
Los Angeles County (626) 300-8341
BRIAN J YAU
Marriage & Family Therapist
320 S GARFIELD AVE
ALHAMBRA, CA 91801
Los Angeles County (626) 788-2151

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 Chieh-jen Yang's NPI number?

The NPI number for Chieh-jen Yang is 1982646022. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Where is Chieh-jen Yang located?

Chieh-jen Yang practices at 320 S Garfield Ave Suite #102, Alhambra, CA 91801. The listed phone number is (626) 281-4487.

What is Chieh-jen Yang's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Chieh-jen Yang enrolled in Medicare?

Yes. Chieh-jen Yang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Chieh-jen Yang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chieh-jen Yang reassigns Medicare benefits to United Premier Physicians Inc (Monterey Park, CA). The 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 Chieh-jen Yang'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 Chieh-jen Yang was last updated on August 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.