Doctor profile · Federal record

Dr. Stella Hartono, MD PHD

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

  • NPI 1588195457
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Additional location
725 Welch RD
Palo Alto, CA 943041601
(650) 497-8000
Additional location
7471 N Fresno St
Fresno, CA 937202457
(626) 506-0262

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
January 9, 2026
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
California #A198890

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588195457. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$502
Transactions
7
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Incyte Corporation 2 $138.49
Blueprint Medicines Corporation 1 $130.56
AstraZeneca Pharmaceuticals Lp 1 $119.62
GlaxoSmithKline, LLC. 1 $62.12
Regeneron Healthcare Solutions, INC. 2 $50.97

By nature of payment

Food and Beverage
$502

Frequently asked questions

Auto-generated from federal data
What is Dr. Stella Hartono's medical specialty?
Dr. Stella Hartono practices Allergy & Immunology Physician in Stanford, CA.
Where does Dr. Stella Hartono practice?
Dr. Stella Hartono practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Stella Hartono's NPI?
Dr. Stella Hartono's National Provider Identifier (NPI) is 1588195457, issued by NPPES.
Does Dr. Stella Hartono accept Medicare assignment?
Yes. Dr. Stella Hartono accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.