MR. ANTHONY C. CHEN M.D.
NPI 1073527099
Internal Medicine in Hacienda Heights, CA

Active since July 27, 2006PECOS EnrolledCLIA 05D1010936 · Waiver
1850 S AZUSA AVE, SUITE 102, HACIENDA HEIGHTS, CA 91745(626) 912-2682(626) 912-2684 Get Directions Write a Review

NPPES record last updated: April 2, 2010. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mr. Anthony C. Chen M.d. NPPES

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

MR. ANTHONY C. CHEN M.D. (NPI 1073527099) is an individual internal medicine provider in Hacienda Heights, California, licensed in California (G74781) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through March 26, 2027, and is a graduate of Warren Alpert Medical School Of Brown University (1990).

NPPES Registry Identity

NPI1073527099
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. ANTHONY C. CHENCredential: M.D.
Location Address1850 S AZUSA AVE, SUITE 102Hacienda Heights, CA 91745-6827
Mailing Address1850 S Azusa Ave, Suite 102Hacienda Heights, CA 91745-6827 · (626) 912-2682 · Fax (626) 912-2684
Fax(626) 912-2684
Sole ProprietorYes
Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 1990
Enumeration DateJuly 27, 2006
Last NPPES UpdateApril 2, 2010
NPI 1073527099 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in CA · G74781 Licensed in CA · G074781
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.
Also ListedSurgeryTaxonomy 208600000X · License G74781 (CA)
1850 S AZUSA AVE, Hacienda Heights, CA 91745

Other Identifiers 2

Medicare UPING74781
Medicare UPINF60277

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mr. Anthony C. Chen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2769411073
PECOS Enrollment IDI20050808000282
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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D1010936

Anthony Chen MD · Hacienda Heights, CA
Active · expires Mar 26, 2027
CLIA Number05D1010936
Laboratory TypePhysician Office
Certificate Effective DateMarch 27, 2025
Certificate Expiration DateMarch 26, 2027
Laboratory DirectorAnthony C. Chen MD
Laboratory Phone(626) 912-2682
Laboratory LocationAnthony Chen MD1850 South Azusa Ave #102, Hacienda Heights, CA 91745
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
328 services157 patients
Insertion of needle into vein (3 years or older) 36410
This procedure involves placing a small needle into a vein, typically in the arm. It's done to collect blood for testing or to deliver medication. You may feel a quick pinch, but it's usually over in seconds. It's a common, safe procedure.
211 services125 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
166 services94 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
151 services92 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
122 services122 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
88 services82 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91745 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.

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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
8 suppliers24 claims47 services$6.32 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier11 claims11 services$215.80 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 20

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

Pharmacy (Community/Retail Pharmacy)
1850 S AZUSA AVE, SUITE 101
HACIENDA HEIGHTS, CA 91745
Pediatrics
1850 S AZUSA AVE, SUITE 205
HACIENDA HEIGHTS, CA 91745
Ophthalmology
1850 S AZUSA AVE, STE 107
HACIENDA HEIGHTS, CA 91745
Allergy & Immunology (Allergy)
1850 S AZUSA AVE, SUITE 206
HACIENDA HEIGHTS, CA 91745
Pediatrics
1850 S AZUSA AVE
HACIENDA HEIGHTS, CA 91745
Durable Medical Equipment & Medical Supplies
1850 S AZUSA AVE, SUITE 101
HACIENDA HEIGHTS, CA 91745
Family Medicine
1850 S AZUSA AVE
HACIENDA HEIGHTS, CA 91745
Nurse Practitioner (Primary Care)
1850 S AZUSA AVE, SUITE 308
HACIENDA HEIGHTS, CA 91745

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 Anthony Chen's NPI number?

The NPI number for Anthony Chen is 1073527099. It was assigned to this individual provider in the NPPES registry on July 27, 2006.

Where is Anthony Chen located?

Anthony Chen practices at 1850 S Azusa Ave Suite 102, Hacienda Heights, CA 91745. The listed phone number is (626) 912-2682.

What is Anthony Chen's specialty?

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

Is Anthony Chen enrolled in Medicare?

Yes. Anthony Chen is registered in the Medicare PECOS enrollment system.

Does Anthony Chen hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D1010936) is associated with this NPI, valid through March 26, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Anthony Chen was last updated on April 2, 2010. NPI Profile syncs with the weekly NPPES data releases published by CMS.