Doctor profile · Federal record

Dr. SILAS MARSHALL, M.D.

Orthopaedic Surgery Physician (CMS: ORTHOPEDIC SURGERY) · Orthopaedic Trauma Physician · BELLEVUE, WA

  • NPI 1225217011
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1231 116TH AVE NE, SUITE 750
BELLEVUE, WA 980043804
(425) 455-3600
fax (425) 455-3920
Mailing address
805 MADISON ST, SUITE 901
SEATTLE, WA 981041172

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
January 24, 2014
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Washington #MD60386052

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225217011. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,800
Distinct HCPCS
10
Medicare allowed
$92,029
HCPCS Description Services Patients Avg allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg 1,008 19 $9
99214 Established patient office or other outpatient visit, 30-39 minutes 203 128 $139
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg 96 18 $7
99213 Established patient office or other outpatient visit, 20-29 minutes 64 55 $99
73030 X-ray of shoulder, minimum of 2 views 63 30 $39
73502 X-ray of hip, 2-3 views 56 36 $54
73610 X-ray of ankle, minimum of 3 views 56 25 $42
73552 X-ray of thigh bone, minimum 2 views 50 26 $41
73560 X-ray of knee, 1-2 views 50 26 $38
20610 Aspiration and/or injection of fluid from large joint 42 32 $75

In context: peer comparison

Among 8 peers in this city , average services per provider: 108. This provider delivers 17× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
25
Total drug cost
$193
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 16 14 $122
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 12 11 $71

Hospital affiliations

CMS Hospital Compare