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
- 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
- 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
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
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 Bellevue Orthopaedic Surgery Physician, average services per provider: 108. This provider delivers 17× the peer median.Medicare Part D · 2023
Top prescriptions
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
Frequently asked questions
What is Dr. Silas Marshall's medical specialty?
Dr. Silas Marshall practices Orthopaedic Surgery Physician in Bellevue, WA.
Where does Dr. Silas Marshall practice?
Dr. Silas Marshall practices at 1231 116Th Ave Ne, Bellevue, WA 980043804. Office phone: 4254553600.
What is Dr. Silas Marshall's NPI?
Dr. Silas Marshall's National Provider Identifier (NPI) is 1225217011, issued by NPPES.
Does Dr. Silas Marshall accept Medicare assignment?
Yes. Dr. Silas Marshall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Silas Marshall commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (HCPCS J7325); Established patient office or other outpatient visit (HCPCS 99214); Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (HCPCS J0702). Source: CMS Medicare Physician & Other Practitioners file.