Doctor profile · Federal record

Dr. Robert Su, M.D.

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Fremont, CA

  • NPI 1932439932
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3200 Kearney St
Fremont, CA 945382299
(510) 490-1222
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
January 2010 — 16 yrs on file
Profile last updated
May 28, 2020
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
California #A110063

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932439932. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
954
Distinct HCPCS
10
Medicare allowed
$99,981
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 327 205 $152
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 226 47 $1
99215 Established patient office or other outpatient visit, 40-54 minutes 89 61 $211
99213 Established patient office or other outpatient visit, 20-29 minutes 62 48 $109
J7050 Infusion, normal saline solution, 250 cc 46 16 $1
99205 New patient office or other outpatient visit, 60-74 minutes 33 33 $260
20600 Aspiration and/or injection of fluid from small joint 30 24 $66
20610 Aspiration and/or injection of fluid from large joint 29 24 $91
G0008 Administration of influenza virus vaccine 29 29 $37
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 28 28 $76

In context: peer comparison

Among 3 peers in this city , average services per provider: 75. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$34,998
Transactions
30
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 29 $34,978.40
SOBI, INC 1 $19.25

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$27,360
Consulting Fee
$4,256
Travel and Lodging
$2,727
Food and Beverage
$635
Education
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,358
Patients
289
Total drug cost
$1,011,702
Drug Type Claims Patients Total cost
Prednisone Generic 332 89 $3,980
Methotrexate (Methotrexate Sodium) Brand 305 79 $12,837
Hydroxychloroquine Sulfate Generic 254 64 $16,516
Folic Acid Generic 62 17 $226
Xeljanz Xr (Tofacitinib Citrate) Brand 57 0 $331,671
Leflunomide Generic 56 17 $4,753
Humira(Cf) Pen (Adalimumab) Brand 45 0 $335,473
Enbrel Sureclick (Etanercept) Brand 41 0 $302,605
Gabapentin Generic 36 0 $397
Allopurinol Generic 35 12 $824

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Su's medical specialty?
Dr. Robert Su practices Rheumatology Physician in Fremont, CA.
Where does Dr. Robert Su practice?
Dr. Robert Su practices at 3200 Kearney St, Fremont, CA 945382299. Office phone: 5104901222.
What is Dr. Robert Su's NPI?
Dr. Robert Su's National Provider Identifier (NPI) is 1932439932, issued by NPPES.
Does Dr. Robert Su accept Medicare assignment?
Yes. Dr. Robert Su accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Su commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.