Active NPI 1225217011 Individual Practitioner Male Practitioner

Dr. Silas T. Marshall , MD

Orthopaedic Surgery • Bellevue, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Silas Marshall, MD is a certified Orthopaedic Surgery practicing in Bellevue, WA. With approximately 19 years of clinical experience since completing medical education in 2007, Dr. Marshall delivers high-quality medical care to the local community at 1231 116TH AVE NE.

Dr. Marshall is affiliated with Proliance Surgeons Inc P S and accepts Medicare assignment.

Frequently performed procedures and clinical services include hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg, established patient outpatient office visit, injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1231 116th Ave Ne
Suite 750

Bellevue, WA 980043804

Telephone 4254553600

Fax 4254553920

Associated Practice Facility / Clinic

🏢 Proliance Surgeons, Inc., P.s. Facility NPI 1205875382

Medicare Profile & Education

Medical School

Other

Graduation Year

2007

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Bellevue, WA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

19 Yrs -6.6 yrs vs City Avg

City Avg: 25.6 Yrs

State Avg: 23.2 Yrs

Regional Practice Density

34 Specialists

Practicing in Bellevue, WA (707 Statewide)

Telehealth Adoption Rate

26.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

63.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Marshall (19 Years) 19 Yrs

Bellevue Specialty Average (25.6 Years) 25.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	624	11	$25.00	$8.84
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	203	115	$252.74	$140.60
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	68	12	$14.00	$6.97
73552 X-ray of thigh bone, minimum 2 views	67	28	$82.28	$40.89
73030 X-ray of shoulder, minimum of 2 views	60	25	$85.47	$39.52
73502 X-ray of hip, 2-3 views	54	35	$101.89	$52.19
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	51	50	$289.02	$136.51
73560 X-ray of knee, 1-2 views	50	22	$77.76	$37.30
99213 Established patient office or other outpatient visit, typically 15 minutes	48	45	$178.17	$100.25
73610 X-ray of ankle, minimum of 3 views	38	16	$90.50	$41.72
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$369.55	$182.06
20610 Aspiration and/or injection of fluid from large joint	27	21	$226.11	$75.93
27245 Treatment of broken neck of thigh bone with bone implant	20	20	$4301.50	$1321.27
73564 X-ray of knee, 4 or more views	18	14	$115.56	$55.03
27236 Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement	12	12	$3337.00	$1284.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	1,008	19	$25.00	$9.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	203	128	$249.00	$139.47
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	96	18	$14.00	$6.55
99213 Established patient office or other outpatient visit, typically 15 minutes	64	55	$175.00	$99.36
73030 X-ray of shoulder, minimum of 2 views	63	30	$86.10	$38.74
73502 X-ray of hip, 2-3 views	56	36	$102.29	$53.72
73610 X-ray of ankle, minimum of 3 views	56	25	$89.75	$42.23
73552 X-ray of thigh bone, minimum 2 views	50	26	$79.68	$40.52
73560 X-ray of knee, 1-2 views	50	26	$77.76	$38.39
20610 Aspiration and/or injection of fluid from large joint	42	32	$220.10	$75.12
99221 Initial hospital inpatient care per day, typically 30 minutes	35	35	$209.00	$87.57
73564 X-ray of knee, 4 or more views	31	25	$114.00	$54.85
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$361.00	$181.35
27245 Treatment of broken neck of thigh bone with bone implant	17	17	$4325.00	$1327.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	257	145	$249.00	$139.86
73030 X-ray of shoulder, minimum of 2 views	118	54	$82.65	$37.95
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	86	17	$14.00	$6.69
99213 Established patient office or other outpatient visit, typically 15 minutes	58	49	$175.00	$100.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	57	57	$361.00	$179.61
73560 X-ray of knee, 1-2 views	56	28	$74.25	$36.59
73610 X-ray of ankle, minimum of 3 views	41	17	$79.71	$36.93
73502 X-ray of hip, 2-3 views	41	27	$103.15	$53.76
73552 X-ray of thigh bone, minimum 2 views	38	25	$65.21	$32.37
20610 Aspiration and/or injection of fluid from large joint	35	30	$222.11	$77.56
73564 X-ray of knee, 4 or more views	34	26	$111.35	$53.56
73110 X-ray of wrist, minimum of 3 views	21	11	$88.86	$46.59
99221 Initial hospital inpatient care per day, typically 30 minutes	19	19	$209.00	$105.67
27245 Treatment of broken neck of thigh bone with bone implant	17	17	$4325.00	$1310.15
20680 Removal of deep implant from bone	14	11	$1361.00	$410.59
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	11	11	$150.00	$59.57

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	1,056	19	$25.00	$10.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	248	134	$229.52	$144.02
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	117	23	$14.00	$6.95
73502 X-ray of hip, 2-3 views	92	59	$93.43	$48.59
99213 Established patient office or other outpatient visit, typically 15 minutes	79	73	$153.13	$101.78
73030 X-ray of shoulder, minimum of 2 views	74	36	$84.69	$39.15
73560 X-ray of knee, 1-2 views	58	21	$78.21	$38.86
73552 X-ray of thigh bone, minimum 2 views	48	22	$68.71	$34.31
20610 Aspiration and/or injection of fluid from large joint	47	40	$223.53	$76.67
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	43	43	$344.63	$185.21
73610 X-ray of ankle, minimum of 3 views	41	17	$90.46	$42.52
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	36	34	$150.00	$58.99
73564 X-ray of knee, 4 or more views	29	23	$114.00	$54.32
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	27	27	$155.00	$76.70
99221 Initial hospital inpatient care per day, typically 30 minutes	26	25	$209.00	$107.32
72190 X-ray of pelvis, minimum of 3 views	21	12	$87.43	$44.06
27245 Treatment of broken neck of thigh bone with bone implant	16	16	$4325.00	$1354.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$222.85	$124.81
27236 Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement	12	12	$3337.00	$1317.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	736	14	$25.00	$10.26
99213 Established patient office or other outpatient visit, typically 15 minutes	230	129	$143.00	$82.63
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	116	24	$14.00	$6.98
73502 X-ray of hip, 2-3 views	72	40	$91.28	$44.88
73552 X-ray of thigh bone, minimum 2 views	68	27	$68.35	$32.65
73030 X-ray of shoulder, minimum of 2 views	67	34	$86.15	$37.50
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	54	47	$214.00	$119.97
73560 X-ray of knee, 1-2 views	53	26	$75.91	$35.73
73610 X-ray of ankle, minimum of 3 views	45	22	$78.60	$37.45
20610 Aspiration and/or injection of fluid from large joint	43	32	$217.40	$70.79
99221 Initial hospital inpatient care per day, typically 30 minutes	41	41	$209.00	$109.24
73060 X-ray of upper arm, minimum of 2 views	31	11	$84.19	$35.11
73564 X-ray of knee, 4 or more views	27	24	$98.26	$50.38
73110 X-ray of wrist, minimum of 3 views	26	14	$81.88	$40.74
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	25	24	$150.00	$59.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$214.00	$119.03
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	23	23	$155.00	$78.03
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$329.00	$170.94
27245 Treatment of broken neck of thigh bone with bone implant	15	14	$4325.00	$1360.01
72190 X-ray of pelvis, minimum of 3 views	15	11	$92.53	$44.18
27236 Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement	11	11	$3337.00	$1324.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	720	12	$25.00	$11.40
99213 Established patient office or other outpatient visit, typically 15 minutes	302	162	$143.00	$80.82
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	108	17	$14.00	$6.78
73030 X-ray of shoulder, minimum of 2 views	81	40	$83.48	$32.38
73502 X-ray of hip, 2-3 views	76	47	$91.00	$41.70
73560 X-ray of knee, 1-2 views	58	23	$74.48	$33.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	56	53	$214.00	$117.97
73552 X-ray of thigh bone, minimum 2 views	55	25	$54.95	$24.72
20610 Aspiration and/or injection of fluid from large joint	44	30	$222.05	$68.70
73564 X-ray of knee, 4 or more views	38	29	$95.26	$45.85
72190 X-ray of pelvis, minimum of 3 views	37	19	$82.51	$37.59
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	33	25	$150.00	$58.17
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	32	32	$155.00	$77.13
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$214.00	$113.94
73610 X-ray of ankle, minimum of 3 views	30	16	$70.80	$33.83
99221 Initial hospital inpatient care per day, typically 30 minutes	30	30	$209.00	$107.29
27245 Treatment of broken neck of thigh bone with bone implant	18	17	$4325.00	$1345.95
99284 Emergency department visit with moderate level of medical decision making	14	14	$266.00	$123.09
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$329.00	$177.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	1,008	16	$24.62	$11.86
99213 Established patient office or other outpatient visit, typically 15 minutes	365	176	$141.48	$78.55
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	187	37	$14.00	$7.00
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	124	15	$5.00	$1.81
20610 Aspiration and/or injection of fluid from large joint	77	58	$218.77	$67.37
73560 X-ray of knee, 1-2 views	75	33	$67.29	$28.21
73552 X-ray of thigh bone, minimum 2 views	73	31	$65.64	$29.62
73030 X-ray of shoulder, minimum of 2 views	71	34	$82.28	$31.23
99221 Initial hospital inpatient care per day, typically 30 minutes	61	61	$207.51	$106.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	58	55	$212.07	$114.91
73502 X-ray of hip, 2-3 views	55	35	$89.55	$35.77
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	48	37	$149.58	$57.96
73100 X-ray of wrist, 2 views	47	20	$56.53	$28.69
73610 X-ray of ankle, minimum of 3 views	43	21	$66.93	$31.06
73564 X-ray of knee, 4 or more views	34	29	$95.85	$43.16
73070 X-ray of elbow, 2 views	29	14	$74.21	$27.32
72190 X-ray of pelvis, minimum of 3 views	28	16	$81.93	$35.82
73060 X-ray of upper arm, minimum of 2 views	26	11	$80.65	$30.69
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$212.65	$114.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$322.53	$168.59
27245 Treatment of broken neck of thigh bone with bone implant	14	14	$4283.29	$1338.05
99284 Emergency department visit with moderate level of medical decision making	11	11	$262.73	$122.23
99231 Follow-up hospital inpatient care per day, typically 15 minutes	11	11	$84.91	$41.40
77071 Application of stress by physician for joint imaging	11	11	$96.64	$53.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	816	14	$24.00	$12.46
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	508	46	$5.02	$1.77
99213 Established patient office or other outpatient visit, typically 15 minutes	315	170	$138.00	$77.76
73502 X-ray of hip, 2-3 views	87	55	$83.90	$38.25
73552 X-ray of thigh bone, minimum 2 views	76	35	$54.68	$24.91
20610 Aspiration and/or injection of fluid from large joint	71	58	$217.37	$67.82
99221 Initial hospital inpatient care per day, typically 30 minutes	70	68	$202.00	$105.24
73030 X-ray of shoulder, minimum of 2 views	68	40	$71.87	$27.35
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	65	62	$207.00	$113.60
73560 X-ray of knee, 1-2 views	52	23	$67.00	$28.98
73610 X-ray of ankle, minimum of 3 views	49	20	$63.82	$30.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$207.00	$115.45
72190 X-ray of pelvis, minimum of 3 views	38	23	$76.89	$34.20
73100 X-ray of wrist, 2 views	35	16	$60.57	$29.03
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	34	32	$145.00	$57.97
73070 X-ray of elbow, 2 views	31	13	$64.13	$26.14
73060 X-ray of upper arm, minimum of 2 views	29	15	$62.52	$23.45
73564 X-ray of knee, 4 or more views	29	23	$91.79	$43.15
27245 Treatment of broken neck of thigh bone with bone implant	27	26	$4217.70	$1311.31
77071 Application of stress by physician for joint imaging	14	14	$95.00	$52.79
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	12	$83.00	$47.32
72100 X-ray of lower and sacral spine, 2-3 views	11	11	$86.36	$36.51
27236 Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement	11	11	$3224.00	$1269.94
99284 Emergency department visit with moderate level of medical decision making	11	11	$257.00	$120.27

Medical Specialties & State Licenses

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License WA MD60386052

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Orthopaedic Surgery - Orthopaedic Trauma

NUCC Taxonomy Code: 207XX0801X

State License WA MD60386052

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic trauma surgeons deal with the evaluation and management of acute orthopaedic injuries, evaluation and treatment of post-traumatic deformities and nonunions, acute and delayed reconstruction of pelvic and acetabular fractures, as well as osteotomy in the adult hip for treatment of hip arthritis.

Hospital & Practice Group Affiliations

Proliance Surgeons Inc P S

510 8th Ave Ne, Issaquah, WA 980295436

Phone: 4253923030

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

33 Associated Practitioners

Dr. Mary Thayer , MD

Orthopaedic Surgery - Hand Surgery

NPI 1134549272

Doctor of Medicine (M.D.)

Dr. James Bruckner , MD

Orthopaedic Surgery

NPI 1154392942

Doctor of Medicine (M.D.)

Shelby Dobbs , PA-C

Physician Assistant - Surgical

NPI 1184669491

Physician Assistant (Certified)

Dr. Grant Lohse , MD

Orthopaedic Surgery - Hand Surgery

NPI 1205033784

Doctor of Medicine (M.D.)

Michael Young , PA

Physician Assistant - Surgical

NPI 1225181902

Physician Assistant

Kathryn Gossett , PA-C

Physician Assistant - Surgical

NPI 1235533795

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active January 24, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location January 24, 2014

Registered at 1231 116TH AVE NE, SUITE 750, BELLEVUE, WA 980043804 (Tel: 4254553600)

📍

Updated Business Mailing Address January 24, 2014

Registered at 805 MADISON ST, SUITE 901, SEATTLE, WA 981041172 (Tel: 2062648100)

👤

Provider Name / Credentials Updated January 24, 2014

Recorded as SILAS MARSHALL, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 24, 2014

Orthopaedic Surgery (License #MD60386052 in WA)

🟢

Initial NPI Registration & Enumeration October 29, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1225217011

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 29, 2007

Last Update: January 24, 2014

Sole Proprietor: No

Update or Correct Profile

Mailing Address

805 Madison St, Suite 901

Seattle, WA 981041172

Phone: 2062648100

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.