Doctor profile · Federal record

Dr. Gary Feldman, MD

Rheumatology Physician (CMS: Rheumatology) · Los Angeles, CA

  • NPI 1841220373
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5230 Pacific Concourse Dr, Suite 100
Los Angeles, CA 900456200
(310) 297-9221
fax (310) 297-9222

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
California #G43953
Medicaid
CA #00G439530

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841220373. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
57,049
Distinct HCPCS
10
Medicare allowed
$1,243,121
HCPCS Description Services Patients Avg allowed
J1602 Injection, golimumab, 1 mg, for intravenous use 18,400 32 $13
J3111 Injection, romosozumab-aqqg, 1 mg 15,390 21 $9
J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 10,800 27 $41
J0897 Injection, denosumab, 1 mg 10,620 147 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 475 191 $137
96413 Administration of chemotherapy into vein, 1 hour or less 340 77 $152
96401 Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 295 156 $82
36415 Insertion of needle into vein for collection of blood sample 195 115 $7
96372 Injection of drug or substance under skin or into muscle 142 24 $16
99213 Established patient office or other outpatient visit, 20-29 minutes 118 92 $98

In context: peer comparison

Among 20 peers in Los Angeles Rheumatology Physician, average services per provider: 599. This provider delivers 95× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$899
Transactions
18
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Amgen INC. 4 $376.94
Janssen Biotech, INC. 2 $155.37
Novartis Pharmaceuticals Corporation 6 $133.19
Ucb, INC. 1 $120.00
Abbvie INC. 5 $113.49

By nature of payment

Food and Beverage
$899

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
686
Patients
172
Total drug cost
$21,750
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 142 47 $5,173
Tramadol Hcl Generic 73 13 $1,269
Celecoxib Generic 57 21 $3,689
Prednisone Generic 54 19 $573
Diclofenac Sodium Generic 50 23 $1,644
Leflunomide Generic 46 15 $3,254
Allopurinol Generic 35 12 $583
Gabapentin Generic 34 0 $566
Meloxicam Generic 33 11 $221
Pregabalin Generic 32 0 $1,707

Frequently asked questions

Auto-generated from federal data
What is Dr. Gary Feldman's medical specialty?
Dr. Gary Feldman practices Rheumatology Physician in Los Angeles, CA.
Where does Dr. Gary Feldman practice?
Dr. Gary Feldman practices at 5230 Pacific Concourse Dr, Los Angeles, CA 900456200. Office phone: 3102979221.
What is Dr. Gary Feldman's NPI?
Dr. Gary Feldman's National Provider Identifier (NPI) is 1841220373, issued by NPPES.
Does Dr. Gary Feldman accept Medicare assignment?
Yes. Dr. Gary Feldman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Feldman commonly perform?
Top Medicare-reported procedures in 2023: Injection, golimumab, 1 mg, for intravenous use (HCPCS J1602); Injection, romosozumab-aqqg, 1 mg (HCPCS J3111); Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0129). Source: CMS Medicare Physician & Other Practitioners file.