Doctor profile · Federal record

Dr. Lorinda Chung, MD

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Palo Alto, CA

  • NPI 1427026442
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Palo Alto, CA 943042203
(650) 723-4000
fax (650) 849-1213

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
April 28, 2024
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
California #A76014

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427026442. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
120
Distinct HCPCS
4
Medicare allowed
$17,646
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 61 45 $163
99214 Established patient office or other outpatient visit, 30-39 minutes 34 26 $111
99214 Established patient office or other outpatient visit, 30-39 minutes 13 12 $113
99205 New patient office or other outpatient visit, 60-74 minutes 12 12 $205

In context: peer comparison

Among 6 peers in Palo Alto Rheumatology Physician, average services per provider: 62. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,610
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Boehringer Ingelheim Pharmaceuticals, INC. 3 $2,526.34
Genentech, INC. 1 $600.00
Abbvie INC. 2 $483.39

By nature of payment

Consulting Fee
$2,560
Travel and Lodging
$865
Food and Beverage
$185

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
170
Patients
0
Total drug cost
$11,105
Drug Type Claims Patients Total cost
Prednisone Generic 35 0 $337
Sildenafil Citrate Generic 33 0 $5,441
Hydroxychloroquine Sulfate Generic 26 0 $1,731
Escitalopram Oxalate Generic 20 0 $133
Meloxicam Generic 18 0 $148
Leflunomide Generic 14 0 $869
Mycophenolate Mofetil Generic 13 0 $2,318
Alendronate Sodium Generic 11 0 $127

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lorinda Chung's medical specialty?
Dr. Lorinda Chung practices Rheumatology Physician in Palo Alto, CA.
Where does Dr. Lorinda Chung practice?
Dr. Lorinda Chung practices at 300 Pasteur Dr, Palo Alto, CA 943042203. Office phone: 6507234000.
What is Dr. Lorinda Chung's NPI?
Dr. Lorinda Chung's National Provider Identifier (NPI) is 1427026442, issued by NPPES.
Does Dr. Lorinda Chung accept Medicare assignment?
Yes. Dr. Lorinda Chung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lorinda Chung commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.