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JUSTIN ALEXANDER CHEN MD
NPI 1447526066
Internal Medicine - Nephrology in Pasadena, CA

Active since March 28, 2012PECOS EnrolledAccepts Medicare Assignment
44.18/100
CMS Quality Rating
301 S FAIR OAKS AVE STE 405, PASADENA, CA 91105(626) 352-0010(626) 226-3520 Get Directions Write a Review

NPPES record last updated: January 29, 2018. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Justin Alexander Chen Md NPPES

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

JUSTIN ALEXANDER CHEN MD (NPI 1447526066) is an individual nephrology provider in Pasadena, California, licensed in California (127264) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1447526066
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameJUSTIN ALEXANDER CHENCredential: MD
Location Address301 S FAIR OAKS AVE STE 405Pasadena, CA 91105-2562
Mailing Address4150 V St # 1110Sacramento, CA 95817-1460
Phone(626) 352-0010
Fax(626) 226-3520
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateMarch 28, 2012
Last NPPES UpdateJanuary 29, 2018
✔ NPI 1447526066 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in CA · 127264
Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

301 S FAIR OAKS AVE STE 405, Pasadena, CA 91105
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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 and accepts Medicare assignment

Justin Alexander Chen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1850696071
PECOS Enrollment IDI20170927004570
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.

Areas of Expertise CMS Part B claims 8

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
1,364 services341 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
368 services136 patients
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.
184 services80 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
162 services146 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
92 services90 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
84 services67 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91105 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.

44.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality54.21
Improvement Activities0
Cost41.66

Referred Medical Equipment & Supplies CMS DME claims

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

Transport chair, adult size, patient weight capacity up to and including 300 pounds E1038
DME-Other DME · category DE000N
1 supplier12 claims12 services$9.04 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 7

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

NALINI DEVI MATTAI MD
General Practice
301 S FAIR OAKS AVE STE 405
PASADENA, CA 91105
Los Angeles County (626) 792-1912
ELANA L SHELDON MD
Internal Medicine
301 S FAIR OAKS AVE STE 405, PASADENA
PASADENA, CA 91105
Los Angeles County (626) 792-1912
JENNIFER MOANI KAHAU-SEGOVIA FNP
Nurse Practitioner
301 S FAIR OAKS AVE STE 405
PASADENA, CA 91105
Los Angeles County (626) 440-7325
DOLORES M FIGUEROA M.D.
Internal Medicine
301 S FAIR OAKS AVE STE 405
PASADENA, CA 91105
Los Angeles County (626) 440-7325
ARROYO NEPHROLOGY ASSOCIATES
Internal Medicine (Nephrology)
301 S FAIR OAKS AVE STE 405
PASADENA, CA 91105
Los Angeles County (626) 794-7075
DR. ASHOK SUNDER RAJ M.D.
Internal Medicine (Nephrology)
301 S FAIR OAKS AVE STE 405
PASADENA, CA 91105
Los Angeles County (626) 794-7075
DR. ILIAN ORLANDO MARQUEZ M.D.
Internal Medicine (Nephrology)
301 S FAIR OAKS AVE STE 405
PASADENA, CA 91105
Los Angeles County (626) 794-7075

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 Justin Chen's NPI number?

The NPI number for Justin Chen is 1447526066. It was assigned to this individual provider in the NPPES registry on March 28, 2012.

Where is Justin Chen located?

Justin Chen practices at 301 S Fair Oaks Ave Ste 405, Pasadena, CA 91105. The listed phone number is (626) 352-0010.

What is Justin Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Justin Chen enrolled in Medicare?

Yes. Justin Chen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Justin Chen was last updated on January 29, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.