Doctor profile · Federal record

Dr. Ernesto Casillas, M.D.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · San Francisco, CA

  • NPI 1952832354
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
513 Parnassus Ave # 111
San Francisco, CA 941432205
(415) 476-1000

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
September 4, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
California #A157855

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952832354. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 1 $14.40

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
73
Patients
0
Total drug cost
$29,105
Drug Type Claims Patients Total cost
Symbicort (Budesonide/Formoterol Fumarate) Brand 18 0 $8,195
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 17 0 $1,247
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 15 0 $7,577
Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) Brand 12 0 $6,105
Spiriva Handihaler (Tiotropium Bromide) Brand 11 0 $5,982

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ernesto Casillas's medical specialty?
Dr. Ernesto Casillas practices Pulmonary Disease Physician in San Francisco, CA.
Where does Dr. Ernesto Casillas practice?
Dr. Ernesto Casillas practices at 513 Parnassus Ave # 111, San Francisco, CA 941432205. Office phone: 4154761000.
What is Dr. Ernesto Casillas's NPI?
Dr. Ernesto Casillas's National Provider Identifier (NPI) is 1952832354, issued by NPPES.
Does Dr. Ernesto Casillas accept Medicare assignment?
Yes. Dr. Ernesto Casillas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.