Doctor profile · Federal record

Dr. Christina Chen, DO

Rheumatology Physician (CMS: Rheumatology) · Covina, CA

  • NPI 1952661829
  • Accepts Medicare
  • MIPS 82.6 / 100 · 2023
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 W San Bernardino RD Ste A
Covina, CA 917223797
(626) 966-1909
fax (626) 209-0331

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
July 13, 2017
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
California #20A13361

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952661829. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,673
Distinct HCPCS
10
Medicare allowed
$193,311
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 2,546 55 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 460 228 $141
86235 Measurement of antibody for assessment of autoimmune disorder, any method 225 34 $18
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 154 20 $86
96415 Administration of chemotherapy into vein, each additional hour 151 13 $33
96372 Injection of drug or substance under skin or into muscle 109 76 $16
J7050 Infusion, normal saline solution, 250 cc 93 23 $1
83516 Analysis of substance using immunoassay technique, multiple step method 82 41 $11
96413 Administration of chemotherapy into vein, 1 hour or less 80 19 $155
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 73 19 $1

In context: peer comparison

Among 3 peers in Covina Rheumatology Physician, average services per provider: 140. This provider delivers 33× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,756
Transactions
212
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen INC. 30 $756.32
Janssen Biotech, INC. 21 $635.85
Abbvie INC. 29 $544.23
Ucb, INC. 27 $496.24
GlaxoSmithKline, LLC. 25 $362.32
Mallinckrodt Hospital Products INC. 14 $261.96
Novartis Pharmaceuticals Corporation 12 $246.79
Ani Pharmaceuticals, INC. 15 $236.43
Alexion Pharmaceuticals, INC. 8 $186.65
AstraZeneca Pharmaceuticals Lp 10 $165.37
Boehringer Ingelheim Pharmaceuticals, INC. 5 $121.25
Fresenius Kabi USA, LLC 4 $118.15
Lilly USA, LLC 6 $115.63
Aurinia Pharma U.S., INC. 2 $98.35
Radius Health, INC. 4 $87.61

By nature of payment

Food and Beverage
$4,676
Education
$80

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,974
Patients
725
Total drug cost
$66,120
Drug Type Claims Patients Total cost
Hydroxychloroquine Sulfate Generic 225 76 $14,338
Baclofen Generic 203 75 $3,914
Prednisone Generic 202 76 $1,279
Methotrexate (Methotrexate Sodium) Brand 184 74 $8,628
Diclofenac Sodium Generic 172 63 $10,639
Gabapentin Generic 169 56 $1,606
Alendronate Sodium Generic 153 63 $1,802
Pregabalin Generic 113 39 $4,301
Duloxetine Hcl Generic 105 33 $6,063
Celecoxib Generic 89 31 $2,172

Frequently asked questions

Auto-generated from federal data
What is Dr. Christina Chen's medical specialty?
Dr. Christina Chen practices Rheumatology Physician in Covina, CA.
Where does Dr. Christina Chen practice?
Dr. Christina Chen practices at 500 W San Bernardino RD Ste A, Covina, CA 917223797. Office phone: 6269661909.
What is Dr. Christina Chen's NPI?
Dr. Christina Chen's National Provider Identifier (NPI) is 1952661829, issued by NPPES.
Does Dr. Christina Chen accept Medicare assignment?
Yes. Dr. Christina Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christina Chen commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Measurement of antibody for assessment of autoimmune disorder, any method (HCPCS 86235). Source: CMS Medicare Physician & Other Practitioners file.