Doctor profile · Federal record

Dr. David Chen, MD

Rheumatology Physician (CMS: Rheumatology) · Philadelphia, PA

  • NPI 1093941510
  • Accepts Medicare
  • MIPS 96.3 / 100 · 2023
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
822 Pine St, Suite 3A
Philadelphia, PA 191076187
(215) 829-5358
fax (215) 923-6442

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
June 17, 2022
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Pennsylvania #MD439761

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093941510. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
29,862
Distinct HCPCS
10
Medicare allowed
$596,053
HCPCS Description Services Patients Avg allowed
J3111 Injection, romosozumab-aqqg, 1 mg 16,590 14 $10
J0897 Injection, denosumab, 1 mg 9,480 101 $23
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg 2,016 17 $17
99214 Established patient office or other outpatient visit, 30-39 minutes 563 271 $134
96372 Injection of drug or substance under skin or into muscle 319 112 $15
36415 Insertion of needle into vein for collection of blood sample 125 75 $8
J1030 Injection, methylprednisolone acetate, 40 mg 119 56 $8
20610 Aspiration and/or injection of fluid from large joint 117 61 $86
96365 Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96 26 $69
96413 Administration of chemotherapy into vein, 1 hour or less 95 17 $141

In context: peer comparison

Among 31 peers in Philadelphia Rheumatology Physician, average services per provider: 860. This provider delivers 35× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,149
Transactions
115
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Amgen INC. 34 $657.06
Abbvie INC. 26 $300.34
Ucb, INC. 15 $289.25
Novartis Pharmaceuticals Corporation 13 $280.31
Janssen Biotech, INC. 7 $188.71
Genentech USA, INC. 5 $121.85
Pfizer INC. 5 $98.74
Boehringer Ingelheim Pharmaceuticals, INC. 2 $52.55
Ani Pharmaceuticals, INC. 2 $29.35
Aurinia Pharma U.S., INC. 1 $27.04
AstraZeneca Pharmaceuticals Lp 1 $23.20
Genzyme Corporation 1 $22.56
Lilly USA, LLC 1 $21.82
Fresenius Kabi USA, LLC 1 $19.12
E.R. Squibb & Sons, L.L.C. 1 $16.79

By nature of payment

Food and Beverage
$2,149

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,345
Patients
339
Total drug cost
$684,357
Drug Type Claims Patients Total cost
Prednisone Generic 264 74 $4,156
Methotrexate (Methotrexate Sodium) Brand 245 62 $8,912
Tramadol Hcl Generic 149 31 $895
Hydroxychloroquine Sulfate Generic 123 31 $7,703
Gabapentin Generic 103 26 $2,002
Allopurinol Generic 85 26 $1,650
Diclofenac Sodium Generic 52 16 $2,214
Cyclobenzaprine Hcl Generic 50 14 $803
Xeljanz Xr (Tofacitinib Citrate) Brand 48 0 $278,248
Colchicine Generic 47 17 $5,833

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Chen's medical specialty?
Dr. David Chen practices Rheumatology Physician in Philadelphia, PA.
Where does Dr. David Chen practice?
Dr. David Chen practices at 822 Pine St, Philadelphia, PA 191076187. Office phone: 2158295358.
What is Dr. David Chen's NPI?
Dr. David Chen's National Provider Identifier (NPI) is 1093941510, issued by NPPES.
Does Dr. David Chen accept Medicare assignment?
Yes. Dr. David Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Chen commonly perform?
Top Medicare-reported procedures in 2023: Injection, romosozumab-aqqg, 1 mg (HCPCS J3111); Injection, denosumab, 1 mg (HCPCS J0897); Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg (HCPCS J3304). Source: CMS Medicare Physician & Other Practitioners file.