Doctor profile · Federal record

Dr. Julian McLain, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · San Mateo, CA

  • NPI 1063916591
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
50 S San Mateo Dr
San Mateo, CA 944013857
(650) 696-5420
Additional location
1200 N State Street, Clinic Tower, Suite A7D
Los Angeles, CA 900331029
(323) 442-7903
fax (323) 442-7901
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
August 5, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #A164372

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063916591. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,426
Transactions
37
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 4 $227.83
EMD Serono, Inc. 4 $160.05
Celgene Corporation 6 $135.01
Blueprint Medicines Corporation 1 $118.41
Incyte Corporation 3 $74.39
Janssen Biotech, Inc. 2 $63.78
Takeda Pharmaceuticals U.S.A., Inc. 2 $62.17
Novartis Pharmaceuticals Corporation 2 $60.15
Ipsen Biopharmaceuticals, Inc 2 $58.66
Daiichi Sankyo Inc. 2 $55.01
SERVIER PHARMACEUTICALS LLC 2 $47.98
ABBVIE INC. 2 $46.15
BeiGene USA, Inc. 2 $43.36
GENZYME CORPORATION 2 $42.28
Agios Pharmaceuticals, Inc. 1 $32.84

By nature of payment

Food and Beverage
$1,426

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
38
Patients
0
Total drug cost
$63,065
Drug Type Claims Patients Total cost
Anastrozole Generic 14 0 $167
Abiraterone Acetate Generic 12 0 $62,772
Ondansetron Hcl Generic 12 0 $127

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Julian McLain's medical specialty?
Dr. Julian McLain practices Hematology & Oncology Physician in San Mateo, CA.
Where does Dr. Julian McLain practice?
Dr. Julian McLain practices at 50 S San Mateo Dr, San Mateo, CA 944013857. Office phone: 6506965420.
What is Dr. Julian McLain's NPI?
Dr. Julian McLain's National Provider Identifier (NPI) is 1063916591, issued by NPPES.
Does Dr. Julian McLain accept Medicare assignment?
Yes. Dr. Julian McLain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.