DR. CHRISTINA LYDIA CHEN DO
NPI 1952661829
Internal Medicine - Rheumatology in Covina, CA

Active since May 24, 2012PECOS EnrolledAccepts Medicare Assignment
87.55/100
CMS Quality Rating
500 W SAN BERNARDINO RD STE A, COVINA, CA 91722(626) 966-1909(626) 209-0331 Get Directions Write a Review

NPPES record last updated: July 13, 2017. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Christina Lydia Chen Do NPPES

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

DR. CHRISTINA LYDIA CHEN DO (NPI 1952661829) is an individual rheumatology provider in Covina, California, licensed in California (20A13361) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1952661829
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameDR. CHRISTINA LYDIA CHENCredential: DO
Location Address500 W SAN BERNARDINO RD STE ACovina, CA 91722-3797
Mailing Address500 W San Bernardino Rd Ste ACovina, CA 91722-3797 · (626) 966-1909 · Fax (626) 209-0331
Fax(626) 209-0331
Sole ProprietorNo
Medical School CMSOtherGraduated 2012
Enumeration DateMay 24, 2012
Last NPPES UpdateJuly 13, 2017
NPI 1952661829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License Licensed in CA · 20A13361
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
500 W SAN BERNARDINO RD STE A, Covina, CA 91722

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

Dr. Christina Lydia Chen Do 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 ID6709164288
PECOS Enrollment IDI20170918002444
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 34

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.

Injection, romosozumab-aqqg, 1 mg J3111
Romosozumab-aqqg is a medication given by injection to treat osteoporosis in patients at high risk for fractures. It works by increasing bone mass and strength, reducing the risk of fractures.
8,860 services17 patients
Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
4,797 services84 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.
621 services259 patients
Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401
This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.
304 services30 patients
Measurement of antibody for assessment of autoimmune disorder, any method 86235
This procedure measures the level of specific antibodies in your body to assess if you have an autoimmune disorder. Antibodies are proteins your immune system produces. In autoimmune disorders, these antibodies mistakenly attack your own cells. This test helps identify such conditions.
266 services38 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
187 services114 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91722 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.

87.55/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality77.28
Promoting Interoperability100
Improvement Activities40
Cost64.54

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.

Internal Medicine (Rheumatology)
500 W SAN BERNARDINO RD STE A
COVINA, CA 91722
Physician Assistant
500 W SAN BERNARDINO RD STE A
COVINA, CA 91722
Internal Medicine (Rheumatology)
500 W SAN BERNARDINO RD STE A
COVINA, CA 91722
Physician Assistant (Medical)
500 W SAN BERNARDINO RD STE A
COVINA, CA 91722
Internal Medicine (Rheumatology)
500 W SAN BERNARDINO RD STE A
COVINA, CA 91722
Internal Medicine (Rheumatology)
500 W SAN BERNARDINO RD STE A
COVINA, CA 91722
Clinic/Center (Medical Specialty)
500 W SAN BERNARDINO RD STE A
COVINA, CA 91722

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 Christina Chen's NPI number?

The NPI number for Christina Chen is 1952661829. It was assigned to this individual provider in the NPPES registry on May 24, 2012.

Where is Christina Chen located?

Christina Chen practices at 500 W San Bernardino Rd Ste A, Covina, CA 91722. The listed phone number is (626) 966-1909.

What is Christina Chen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Christina Chen enrolled in Medicare?

Yes. Christina 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 Christina Chen was last updated on July 13, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.