Doctor profile · Federal record

Dr. Julie Thomas, MD

Internal Medicine Physician (CMS: Internal Medicine) · Mercer Island, WA

  • NPI 1558447276
  • Accepts Medicare
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3236 78Th Ave Se, Ste 200
Mercer Island, WA 980403500
(206) 275-5060
fax (206) 275-5061
Mailing address
515 Minor Ave
Seattle, WA 981042120

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
October 9, 2020
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Washington #MD00037996
Medicaid
WA #8248916

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558447276. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
392
Distinct HCPCS
5
Medicare allowed
$47,974
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 197 108 $140
99213 Established patient office or other outpatient visit, 20-29 minutes 66 52 $100
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 63 63 $142
96127 Assessment of emotional or behavioral problems 42 23 $6
99215 Established patient office or other outpatient visit, 40-54 minutes 24 21 $196

In context: peer comparison

Among 4 peers in Mercer Island Internal Medicine Physician, average services per provider: 76. This provider delivers 5.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,361
Patients
369
Total drug cost
$22,766
Drug Type Claims Patients Total cost
Losartan Potassium Generic 178 46 $2,639
Atorvastatin Calcium Generic 157 42 $2,304
Amlodipine Besylate Generic 125 32 $851
Levothyroxine Sodium Generic 113 29 $1,697
Metoprolol Succinate Generic 101 29 $2,351
Rosuvastatin Calcium Generic 101 25 $1,902
Sertraline Hcl Generic 93 21 $1,345
Hydrochlorothiazide Generic 87 26 $547
Lisinopril Generic 72 21 $912
Gabapentin Generic 63 19 $1,618

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Julie Thomas's medical specialty?
Dr. Julie Thomas practices Internal Medicine Physician in Mercer Island, WA.
Where does Dr. Julie Thomas practice?
Dr. Julie Thomas practices at 3236 78Th Ave Se, Mercer Island, WA 980403500. Office phone: 2062755060.
What is Dr. Julie Thomas's NPI?
Dr. Julie Thomas's National Provider Identifier (NPI) is 1558447276, issued by NPPES.
Does Dr. Julie Thomas accept Medicare assignment?
Yes. Dr. Julie Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julie Thomas commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.