Doctor profile · Federal record

Dr. Sylvia Lacourse, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Seattle, WA

  • NPI 1508068909
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
325 9Th Ave, Box 359931
Seattle, WA 981042420
(206) 744-5100
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
September 2, 2015
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Washington #MD60279254
Medicaid
WA #1508068909

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508068909. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14
Distinct HCPCS
1
Medicare allowed
$2,600
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 12 $186

In context: peer comparison

Among 35 peers in Seattle Infectious Disease Physician, average services per provider: 59. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
222
Patients
0
Total drug cost
$259,102
Drug Type Claims Patients Total cost
Tivicay (Dolutegravir Sodium) Brand 33 0 $99,655
Descovy (Emtricitabine/Tenofov Alafenam) Brand 25 0 $57,211
Atorvastatin Calcium Generic 24 0 $212
Metoprolol Succinate Generic 24 0 $217
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 20 0 $79,661
Rosuvastatin Calcium Generic 20 0 $179
Ibandronate Sodium Generic 16 0 $290
Furosemide Generic 12 0 $82
Mirtazapine Generic 12 0 $115
Pifeltro (Doravirine) Brand 12 0 $21,143

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sylvia Lacourse's medical specialty?
Dr. Sylvia Lacourse practices Infectious Disease Physician in Seattle, WA.
Where does Dr. Sylvia Lacourse practice?
Dr. Sylvia Lacourse practices at 325 9Th Ave, Seattle, WA 981042420. Office phone: 2067445100.
What is Dr. Sylvia Lacourse's NPI?
Dr. Sylvia Lacourse's National Provider Identifier (NPI) is 1508068909, issued by NPPES.
Does Dr. Sylvia Lacourse accept Medicare assignment?
Yes. Dr. Sylvia Lacourse accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sylvia Lacourse commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.