Active NPI 1588924781 Individual Practitioner Male Practitioner

Matthew C Marshall , MPAS, PA-C

Physician Assistant • Olympia, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Matthew Marshall, MPAS, PA-C is a certified Physician Assistant practicing in Olympia, WA. With approximately 14 years of clinical experience since completing medical education in 2012, Matthew Marshall delivers high-quality medical care to the local community at 3901 CAPITAL MALL DR SW STE B.

Matthew Marshall is affiliated with Olympia Orthopaedic Associates Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, methylprednisolone acetate, 1 mg, injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3901 Capital Mall Dr Sw Ste B

Olympia, WA 985028654

Telephone 3605288571

Fax 3605288562

Associated Practice Facility / Clinic

🏢 Olympia Orthopaedic Associates Pllc Facility NPI 1083785398

Medicare Profile & Education

Medical School

Other

Graduation Year

2012

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Olympia, WA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

14 Yrs +3.7 yrs vs City Avg

City Avg: 10.3 Yrs

State Avg: 12.1 Yrs

Regional Practice Density

112 Specialists

Practicing in Olympia, WA (3774 Statewide)

Telehealth Adoption Rate

11.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

66.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Marshall (14 Years) 14 Yrs

Olympia Specialty Average (10.3 Years) 10.3 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
J1010 Injection, methylprednisolone acetate, 1 mg	1,560	23	$0.33	$0.13
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	344	59	$10.47	$0.97
99213 Established patient office or other outpatient visit, typically 15 minutes	296	215	$191.58	$77.77
73030 X-ray of shoulder, minimum of 2 views	148	106	$82.92	$29.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	134	124	$280.56	$110.26
73630 X-ray of foot, minimum of 3 views	112	64	$77.33	$29.34
73610 X-ray of ankle, minimum of 3 views	88	48	$77.33	$31.03
20610 Aspiration and/or injection of fluid from large joint	77	63	$250.35	$62.05
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	42	42	$431.31	$138.22
73564 X-ray of knee, 4 or more views	36	28	$87.58	$38.24
Q4038 Cast supplies, short leg cast, adult (11 years +), fiberglass	31	21	$45.06	$42.91
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance	27	23	$344.31	$91.19
73600 X-ray of ankle, 2 views	25	23	$67.08	$27.48
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$283.70	$96.06
73502 X-ray of hip, 2-3 views	23	16	$134.80	$37.57
29425 Application of walking cast covering below knee to toe	23	15	$248.11	$63.43
73020 X-ray of shoulder, 1 view	17	16	$63.36	$17.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	264	42	$10.47	$1.04
99213 Established patient office or other outpatient visit, typically 15 minutes	233	175	$191.58	$76.29
73030 X-ray of shoulder, minimum of 2 views	112	86	$82.92	$29.85
73610 X-ray of ankle, minimum of 3 views	102	58	$77.33	$31.92
73630 X-ray of foot, minimum of 3 views	94	60	$77.33	$29.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	62	59	$280.56	$105.76
20610 Aspiration and/or injection of fluid from large joint	59	48	$252.95	$60.26
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	51	51	$283.70	$95.22
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	31	$116.20	$48.34
73564 X-ray of knee, 4 or more views	25	18	$87.58	$40.69
Q4038 Cast supplies, short leg cast, adult (11 years +), fiberglass	25	20	$45.06	$41.12
29425 Application of walking cast covering below knee to toe	22	18	$248.11	$58.67
73600 X-ray of ankle, 2 views	21	19	$67.08	$28.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$431.31	$141.15

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	233	181	$191.58	$75.05
73630 X-ray of foot, minimum of 3 views	114	63	$77.33	$29.13
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	91	91	$283.70	$95.29
73030 X-ray of shoulder, minimum of 2 views	89	76	$82.92	$29.47
73610 X-ray of ankle, minimum of 3 views	79	44	$77.33	$31.51
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	68	56	$116.20	$45.59
20610 Aspiration and/or injection of fluid from large joint	50	41	$252.88	$60.31
73564 X-ray of knee, 4 or more views	48	39	$87.58	$40.52
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	39	38	$280.56	$109.24
73600 X-ray of ankle, 2 views	33	27	$67.08	$28.05
J1030 Injection, methylprednisolone acetate, 40 mg	28	25	$12.95	$6.59
Q4038 Cast supplies, short leg cast, adult (11 years +), fiberglass	24	20	$45.06	$43.06
29425 Application of walking cast covering below knee to toe	20	16	$248.11	$60.61
72110 X-ray of lower and sacral spine, minimum of 4 views	19	19	$125.78	$45.37
73110 X-ray of wrist, minimum of 3 views	14	12	$77.33	$35.93
J1040 Injection, methylprednisolone acetate, 80 mg	13	12	$25.90	$10.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	330	320	$191.58	$77.58
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	165	165	$283.70	$95.77
73564 X-ray of knee, 4 or more views	110	107	$88.38	$39.79
72110 X-ray of lower and sacral spine, minimum of 4 views	100	100	$125.78	$43.93
73030 X-ray of shoulder, minimum of 2 views	85	83	$82.92	$29.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	71	71	$280.56	$107.56
73502 X-ray of hip, 2-3 views	59	58	$134.80	$40.65
20610 Aspiration and/or injection of fluid from large joint	53	52	$230.75	$57.77
73630 X-ray of foot, minimum of 3 views	51	50	$77.33	$29.25
72148 MRI scan of lower spinal canal	51	51	$1028.70	$158.56
73110 X-ray of wrist, minimum of 3 views	43	41	$77.33	$34.68
J1040 Injection, methylprednisolone acetate, 80 mg	36	33	$25.90	$10.61
73610 X-ray of ankle, minimum of 3 views	31	28	$77.33	$31.95
72050 X-ray of upper spine, 4 or 5 views	29	29	$123.92	$44.92
73721 Mri scan of leg joint without contrast	27	27	$1054.09	$173.73
73130 X-ray of hand, minimum of 3 views	25	22	$67.16	$31.65
73221 Mri scan of arm joint without contrast	23	23	$910.08	$176.54
73080 X-ray of elbow, minimum of 3 views	20	19	$79.20	$28.04
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	18	$116.20	$48.33
73590 X-ray of lower leg, 2 views	17	15	$70.81	$27.44
J1030 Injection, methylprednisolone acetate, 40 mg	15	15	$12.95	$5.71
72141 MRI scan of upper spinal canal	14	14	$960.90	$159.65
73600 X-ray of ankle, 2 views	13	13	$67.08	$28.35
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$431.31	$143.54
73140 X-ray of finger, minimum of 2 views	11	11	$67.08	$32.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	178	173	$191.58	$63.43
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	169	165	$280.56	$92.08
73564 X-ray of knee, 4 or more views	134	129	$87.58	$37.25
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	126	126	$283.70	$91.50
72110 X-ray of lower and sacral spine, minimum of 4 views	91	91	$125.78	$41.93
73030 X-ray of shoulder, minimum of 2 views	68	65	$82.92	$27.92
20610 Aspiration and/or injection of fluid from large joint	60	59	$231.46	$54.91
J1040 Injection, methylprednisolone acetate, 80 mg	58	53	$25.90	$11.20
73502 X-ray of hip, 2-3 views	46	46	$134.80	$39.12
73130 X-ray of hand, minimum of 3 views	36	35	$67.16	$30.19
73721 Mri scan of leg joint without contrast	34	34	$1445.74	$191.14
73110 X-ray of wrist, minimum of 3 views	31	28	$77.33	$32.08
72050 X-ray of upper spine, 4 or 5 views	30	30	$123.92	$42.75
73610 X-ray of ankle, minimum of 3 views	28	27	$77.33	$29.51
73630 X-ray of foot, minimum of 3 views	25	24	$77.33	$28.31
72148 MRI scan of lower spinal canal	25	25	$1535.77	$182.67
73080 X-ray of elbow, minimum of 3 views	23	22	$79.20	$26.83
73221 Mri scan of arm joint without contrast	17	17	$1445.74	$188.02
J1030 Injection, methylprednisolone acetate, 40 mg	11	11	$12.95	$6.07
29105 Application of long arm splint (shoulder to hand)	11	11	$237.64	$70.66
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$116.20	$39.16

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	280	268	$280.56	$90.30
99213 Established patient office or other outpatient visit, typically 15 minutes	260	251	$191.58	$62.91
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	198	198	$283.70	$91.56
73564 X-ray of knee, 4 or more views	180	168	$87.58	$34.87
72110 X-ray of lower and sacral spine, minimum of 4 views	126	126	$125.78	$42.88
73030 X-ray of shoulder, minimum of 2 views	95	90	$82.92	$24.85
20610 Aspiration and/or injection of fluid from large joint	93	90	$216.20	$50.90
73502 X-ray of hip, 2-3 views	73	71	$134.80	$36.05
J1040 Injection, methylprednisolone acetate, 80 mg	65	63	$25.90	$11.66
72050 X-ray of upper spine, 4 or 5 views	44	44	$123.92	$41.41
73610 X-ray of ankle, minimum of 3 views	42	42	$77.33	$28.07
73110 X-ray of wrist, minimum of 3 views	39	37	$77.33	$31.30
73130 X-ray of hand, minimum of 3 views	36	34	$67.16	$28.62
J1030 Injection, methylprednisolone acetate, 40 mg	33	33	$12.95	$6.22
73630 X-ray of foot, minimum of 3 views	31	29	$77.33	$26.14
72148 MRI scan of lower spinal canal	28	28	$1535.77	$186.74
73721 Mri scan of leg joint without contrast	27	27	$1445.74	$199.74
73140 X-ray of finger, minimum of 2 views	23	22	$67.08	$28.95
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	16	$116.20	$38.54
73080 X-ray of elbow, minimum of 3 views	15	15	$79.20	$25.53
73590 X-ray of lower leg, 2 views	12	12	$70.81	$25.25
73221 Mri scan of arm joint without contrast	11	11	$1445.74	$190.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	196	190	$191.58	$64.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	162	156	$280.56	$93.45
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	130	130	$283.70	$93.95
73564 X-ray of knee, 4 or more views	92	84	$87.58	$34.70
72110 X-ray of lower and sacral spine, minimum of 4 views	74	73	$125.78	$42.81
73030 X-ray of shoulder, minimum of 2 views	71	67	$82.92	$26.04
73502 X-ray of hip, 2-3 views	54	54	$134.80	$37.13
20610 Aspiration and/or injection of fluid from large joint	42	38	$217.15	$51.03
73630 X-ray of foot, minimum of 3 views	37	34	$77.33	$26.39
73610 X-ray of ankle, minimum of 3 views	34	33	$77.33	$27.76
73110 X-ray of wrist, minimum of 3 views	33	31	$77.33	$30.83
J1030 Injection, methylprednisolone acetate, 40 mg	33	25	$12.95	$6.51
73130 X-ray of hand, minimum of 3 views	30	28	$67.16	$27.40
72050 X-ray of upper spine, 4 or 5 views	23	22	$123.92	$39.52
J1040 Injection, methylprednisolone acetate, 80 mg	19	17	$25.90	$11.60
73080 X-ray of elbow, minimum of 3 views	18	18	$79.20	$28.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$431.31	$144.79
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	16	$116.20	$36.79
73721 Mri scan of leg joint without contrast	15	15	$1445.74	$214.44
72148 MRI scan of lower spinal canal	14	14	$1535.77	$198.16
73221 Mri scan of arm joint without contrast	11	11	$1445.74	$207.89
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$195.77	$67.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	60	59	$190.58	$61.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	56	56	$278.40	$89.46
72110 X-ray of lower and sacral spine, minimum of 4 views	31	31	$125.78	$39.68
73030 X-ray of shoulder, minimum of 2 views	30	30	$81.80	$22.14
73564 X-ray of knee, 4 or more views	27	25	$87.43	$31.82
20610 Aspiration and/or injection of fluid from large joint	24	24	$215.14	$51.91
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$280.94	$90.91
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$431.31	$138.16
J1030 Injection, methylprednisolone acetate, 40 mg	22	20	$12.92	$6.01
73630 X-ray of foot, minimum of 3 views	18	17	$77.33	$24.00
73502 X-ray of hip, 2-3 views	17	17	$134.09	$33.83

Medical Specialties & State Licenses

CMS Verified: 2026-06-05

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License WA PA60320257

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Physician Assistant

NUCC Taxonomy Code: 363A00000X

State License OR PA180353

Hospital & Practice Group Affiliations

Olympia Orthopaedic Associates Pllc

615 Lilly Rd Ne, Olympia, WA 985065117

Phone: 3604914211

Practice Associates & Co-Workers

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

8 Associated Practitioners

Dr. Kelly Cain , DO

Anesthesiology

NPI 1083795157

Doctor of Osteopathic Medicine (D.O.)

Emanuel Nistrian , CRNA

Nurse Anesthetist, Certified Registered

NPI 1093373458

Certified Registered Nurse Anesthetist

Dr. Stephen Snow , MD

Orthopaedic Surgery

NPI 1295805182

Doctor of Medicine (M.D.)

Dr. Roxanne Bauman , MD

Anesthesiology

NPI 1376547984

Doctor of Medicine (M.D.)

Dr. Thomas Golden , MD

Anesthesiology

NPI 1487602462

Doctor of Medicine (M.D.)

Dr. Sandra Lee , MD

Anesthesiology

NPI 1629187729

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location June 05, 2026

Registered at 3901 CAPITAL MALL DR SW STE B, OLYMPIA, WA 985028654 (Tel: 3605288571)

📍

Updated Business Mailing Address June 05, 2026

Registered at PO BOX 368, OLYMPIA, WA 985070368 (Tel: 3604555144)

✅

NPI Profile Active November 30, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location November 30, 2016

Registered at 589 NW 11TH ST, HERMISTON, OR 978386600 (Tel: 5415671717)

📍

Updated Business Mailing Address November 30, 2016

Registered at 589 NW 11TH ST, HERMISTON, OR 978386600 (Tel: 5415671717)

👤

Provider Name / Credentials Updated November 30, 2016

Recorded as MATTHEW MARSHALL, MPAS, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 30, 2016

Physician Assistant (License #PA180353 in OR)

🟢

Initial NPI Registration & Enumeration May 22, 2012

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1588924781

Entity Type:

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

Enumeration Date: May 22, 2012

Last Update: June 05, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 368

Olympia, WA 985070368

Phone: 3604555144

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.