Doctor profile · Federal record

Dr. Chao-I Lin, MD

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Orange, CA

  • NPI 1588779631
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1140 W la Veta Ave Ste 850
Orange, CA 928684218
(714) 771-7994
fax (714) 744-4167
Mailing address
Po Box 603725
Charlotte, NC 282603725

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
December 14, 2023
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
California #A45786
Medicaid
CA #1588779631

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588779631. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,702
Distinct HCPCS
6
Medicare allowed
$42,940
HCPCS Description Services Patients Avg allowed
95004 Test for allergy using allergenic extract 1,258 19 $5
95165 Professional service for preparation and provision of 1 or more antigens 919 37 $17
95117 Professional service for multiple injections of allergen 254 32 $14
95024 Test for allergy using allergenic extract injected into skin 161 19 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 86 60 $139
99204 New patient office or other outpatient visit, 45-59 minutes 24 24 $180

In context: peer comparison

Among 2 peers in Orange Allergy & Immunology Physician, average services per provider: 934. This provider delivers 2.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,129
Transactions
91
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., INC. 11 $262.12
GlaxoSmithKline, LLC. 15 $248.37
Leo Pharma INC. 9 $245.51
AstraZeneca Pharmaceuticals Lp 8 $215.62
Genentech USA, INC. 6 $171.95
Csl Behring 5 $147.99
Genzyme Corporation 11 $137.78
Grifols USA, LLC 4 $120.48
Optinose US, INC. 6 $97.04
Regeneron Healthcare Solutions, INC. 4 $96.80
Pfizer INC. 4 $94.81
Novartis Pharmaceuticals Corporation 3 $72.94
Pharming Healthcare, INC. 2 $52.33
Amgen INC. 2 $48.99
BioCryst US Sales Co., LLC 1 $31.48

By nature of payment

Food and Beverage
$2,129

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
151
Patients
12
Total drug cost
$35,715
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 32 0 $28,968
Montelukast Sodium Generic 29 0 $904
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 21 12 $877
Fluticasone Propionate Generic 20 0 $699
Ipratropium Bromide Generic 13 0 $850
Wixela Inhub (Fluticasone Propion/Salmeterol) Brand 13 0 $3,184
Azelastine Hcl Generic 12 0 $184
Prednisone Generic 11 0 $49

Frequently asked questions

Auto-generated from federal data
What is Dr. Chao-I Lin's medical specialty?
Dr. Chao-I Lin practices Allergy & Immunology Physician in Orange, CA.
Where does Dr. Chao-I Lin practice?
Dr. Chao-I Lin practices at 1140 W la Veta Ave Ste 850, Orange, CA 928684218. Office phone: 7147717994.
What is Dr. Chao-I Lin's NPI?
Dr. Chao-I Lin's National Provider Identifier (NPI) is 1588779631, issued by NPPES.
Does Dr. Chao-I Lin accept Medicare assignment?
Yes. Dr. Chao-I Lin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chao-I Lin commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.