Active NPI 1083770192 Individual Practitioner Male Practitioner

Gregory Robert Obray , PA-C

Physician Assistant - Surgical • Clarkston, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Gregory Obray, PA-C is a certified Physician Assistant - Surgical practicing in Clarkston, WA. With approximately 13 years of clinical experience since completing medical education in 2013, Gregory Obray delivers high-quality medical care to the local community at 1207 EVERGREEN CT.

Gregory Obray maintains professional affiliations with Tri-State Memorial Hospital, Catalyst Medical Group Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, triamcinolone acetonide, not otherwise specified, 10 mg, hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg, aspiration and/or injection of fluid from large joint. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1207 Evergreen Ct

Clarkston, WA 994032874

Telephone 5097692254

Fax 5097692255

Associated Practice Facility / Clinic

🏢 Warren L Ellison, M.d. Facility NPI 1619176799

Medicare Profile & Education

Medical School

Other

Graduation Year

2013

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant - Surgical in Clarkston, WA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

13 Yrs Matches City Avg

City Avg: 13.0 Yrs

State Avg: 13.2 Yrs

Regional Practice Density

1 Specialists

Practicing in Clarkston, WA (612 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

93.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Obray (13 Years) 13 Yrs

Clarkston Specialty Average (13.0 Years) 13.0 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
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	1,307	102	$2.86	$0.97
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	960	13	$18.19	$8.88
20610 Aspiration and/or injection of fluid from large joint	176	112	$408.11	$55.33
99213 Established patient office or other outpatient visit, typically 15 minutes	158	113	$204.34	$69.62
73030 X-ray of shoulder, minimum of 2 views	73	55	$140.77	$25.78
73502 X-ray of hip, 2-3 views	69	62	$145.47	$34.46
73562 X-ray of knee, 3 views	65	64	$126.19	$30.47
27447 Replacement of knee joint, both sides of knee	61	60	$4145.06	$164.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	53	52	$294.84	$98.74
27130 Replacement of thigh bone and hip joint with prosthesis	46	46	$3407.03	$161.31
73564 X-ray of knee, 4 or more views	44	42	$153.62	$35.89
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$251.77	$84.95
23472 Prosthetic repair of shoulder joint, total shoulder	25	25	$4984.01	$183.82
73610 X-ray of ankle, minimum of 3 views	24	14	$144.14	$25.32
73130 X-ray of hand, minimum of 3 views	20	11	$148.96	$28.35
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	16	$130.41	$43.98
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$374.98	$130.72
23430 Anchoring of biceps tendon	13	13	$2068.39	$54.55
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	11	11	$1011.12	$19.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	1,498	112	$4.94	$1.06
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	1,441	19	$15.66	$8.94
20610 Aspiration and/or injection of fluid from large joint	176	111	$324.41	$53.97
99213 Established patient office or other outpatient visit, typically 15 minutes	103	90	$168.15	$69.25
73502 X-ray of hip, 2-3 views	83	65	$152.78	$33.53
73030 X-ray of shoulder, minimum of 2 views	66	54	$124.06	$26.26
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	59	48	$101.82	$43.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	51	51	$239.58	$87.09
73562 X-ray of knee, 3 views	49	40	$139.90	$30.23
27130 Replacement of thigh bone and hip joint with prosthesis	42	40	$3356.27	$168.49
73564 X-ray of knee, 4 or more views	38	36	$161.32	$35.04
27447 Replacement of knee joint, both sides of knee	38	38	$3668.89	$169.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	37	35	$243.16	$100.25
23472 Prosthetic repair of shoulder joint, total shoulder	20	20	$2333.63	$193.81
73700 Ct scan of leg without contrast	20	20	$495.30	$77.37
73100 X-ray of wrist, 2 views	19	11	$124.42	$26.05
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$356.84	$130.29
72220 X-ray of sacrum and tailbone, minimum of 2 views	12	12	$98.48	$23.97
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	12	12	$408.91	$20.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	1,626	128	$5.52	$1.14
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	1,440	22	$15.16	$10.06
20610 Aspiration and/or injection of fluid from large joint	179	128	$313.30	$56.14
99213 Established patient office or other outpatient visit, typically 15 minutes	137	118	$153.90	$70.67
73502 X-ray of hip, 2-3 views	87	75	$158.43	$32.93
73030 X-ray of shoulder, minimum of 2 views	78	63	$117.70	$26.22
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	78	63	$91.15	$43.41
73564 X-ray of knee, 4 or more views	60	53	$163.55	$35.25
73562 X-ray of knee, 3 views	57	52	$145.21	$30.72
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	51	51	$226.28	$87.71
27447 Replacement of knee joint, both sides of knee	50	50	$1402.52	$170.38
27130 Replacement of thigh bone and hip joint with prosthesis	40	40	$1384.77	$172.34
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	35	35	$227.04	$96.95
73610 X-ray of ankle, minimum of 3 views	32	22	$124.03	$26.64
72220 X-ray of sacrum and tailbone, minimum of 2 views	25	25	$92.38	$23.00
73100 X-ray of wrist, 2 views	23	14	$119.39	$26.23
23472 Prosthetic repair of shoulder joint, total shoulder	19	19	$1490.05	$195.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$345.94	$131.15
73700 Ct scan of leg without contrast	16	16	$524.98	$77.35
73140 X-ray of finger, minimum of 2 views	13	12	$128.99	$28.91
73721 Mri scan of leg joint without contrast	13	12	$755.29	$131.91
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	11	11	$181.74	$21.93
73221 Mri scan of arm joint without contrast	11	11	$785.20	$127.26
72100 X-ray of lower and sacral spine, 2-3 views	11	11	$144.83	$30.90
29880 Removal of both knee cartilages using an endoscope	11	11	$574.48	$69.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	980	90	$5.52	$1.25
20610 Aspiration and/or injection of fluid from large joint	130	94	$297.99	$53.91
99213 Established patient office or other outpatient visit, typically 15 minutes	91	82	$153.90	$71.67
73502 X-ray of hip, 2-3 views	64	60	$142.23	$29.31
73562 X-ray of knee, 3 views	63	53	$145.39	$30.71
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	51	39	$92.44	$44.27
73564 X-ray of knee, 4 or more views	43	39	$158.61	$33.93
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	43	43	$226.28	$87.22
73030 X-ray of shoulder, minimum of 2 views	43	33	$117.88	$25.95
27447 Replacement of knee joint, both sides of knee	41	41	$1391.71	$175.86
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	36	35	$227.04	$100.87
27130 Replacement of thigh bone and hip joint with prosthesis	28	27	$1392.27	$175.52
73100 X-ray of wrist, 2 views	23	13	$117.80	$26.06
72100 X-ray of lower and sacral spine, 2-3 views	17	17	$144.83	$30.70
73610 X-ray of ankle, minimum of 3 views	16	12	$118.43	$24.32
73700 Ct scan of leg without contrast	12	11	$524.98	$78.14
72220 X-ray of sacrum and tailbone, minimum of 2 views	11	11	$115.23	$24.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	960	15	$15.16	$10.60
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	847	89	$5.52	$1.43
20610 Aspiration and/or injection of fluid from large joint	143	96	$308.06	$54.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	88	82	$226.07	$87.43
99213 Established patient office or other outpatient visit, typically 15 minutes	74	50	$153.51	$59.64
73502 X-ray of hip, 2-3 views	58	47	$158.54	$32.80
73564 X-ray of knee, 4 or more views	53	46	$157.39	$33.71
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	53	53	$225.16	$84.99
73030 X-ray of shoulder, minimum of 2 views	46	31	$113.21	$25.04
73562 X-ray of knee, 3 views	41	37	$137.08	$28.85
27447 Replacement of knee joint, both sides of knee	36	34	$1391.72	$189.82
27130 Replacement of thigh bone and hip joint with prosthesis	25	24	$1392.27	$186.60
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	25	25	$181.73	$22.64
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	19	$90.98	$36.02
29827 Repair of shoulder rotator cuff using an endoscope	18	18	$1128.29	$138.54
77002 Fluoroscopic guidance for needle placement	16	13	$364.47	$80.99
23430 Anchoring of biceps tendon	15	15	$735.96	$57.41
29823 Removal of extensive shoulder joint tissue using an endoscope	13	13	$342.00	$24.84
29824 Partial removal of collar bone at shoulder using an endoscope	12	12	$342.26	$39.28
29881 Removal of knee cartilage using an endoscope	11	11	$502.51	$63.97
29828 Release of shoulder biceps tendon using an endoscope	11	11	$468.51	$58.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	816	12	$15.16	$11.23
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	608	120	$5.52	$1.57
20610 Aspiration and/or injection of fluid from large joint	175	121	$312.46	$52.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	95	89	$218.53	$86.43
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	87	87	$217.79	$85.49
73030 X-ray of shoulder, minimum of 2 views	77	60	$99.29	$22.37
99213 Established patient office or other outpatient visit, typically 15 minutes	74	53	$148.12	$58.32
73502 X-ray of hip, 2-3 views	64	57	$130.58	$28.89
73562 X-ray of knee, 3 views	50	49	$122.43	$27.14
73564 X-ray of knee, 4 or more views	44	37	$138.00	$30.48
27447 Replacement of knee joint, both sides of knee	42	41	$1391.74	$185.25
73100 X-ray of wrist, 2 views	36	20	$98.88	$22.70
27130 Replacement of thigh bone and hip joint with prosthesis	34	34	$1392.28	$185.66
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	22	$87.73	$35.77
23472 Prosthetic repair of shoulder joint, total shoulder	19	19	$1495.32	$200.80
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	16	16	$181.74	$22.67
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	14	11	$37.00	$19.75
29827 Repair of shoulder rotator cuff using an endoscope	14	14	$1087.66	$136.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	356	106	$5.52	$1.76
20610 Aspiration and/or injection of fluid from large joint	168	112	$322.15	$53.91
73030 X-ray of shoulder, minimum of 2 views	86	59	$99.47	$21.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	85	82	$218.53	$85.22
99213 Established patient office or other outpatient visit, typically 15 minutes	80	59	$148.12	$57.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	80	80	$217.79	$85.32
73502 X-ray of hip, 2-3 views	71	61	$122.36	$26.10
73562 X-ray of knee, 3 views	52	44	$118.93	$25.26
73564 X-ray of knee, 4 or more views	49	41	$136.03	$28.58
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	48	43	$87.73	$34.63
27130 Replacement of thigh bone and hip joint with prosthesis	31	29	$1392.12	$178.20
27447 Replacement of knee joint, both sides of knee	25	23	$1391.73	$187.34
23472 Prosthetic repair of shoulder joint, total shoulder	25	25	$2034.91	$198.64
73100 X-ray of wrist, 2 views	23	16	$97.83	$22.49
73610 X-ray of ankle, minimum of 3 views	19	13	$101.42	$21.54
J7326 Hyaluronan or derivative, gel-one, for intra-articular injection, per dose	18	17	$728.00	$511.80
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	18	15	$37.00	$19.28
73110 X-ray of wrist, minimum of 3 views	15	11	$116.81	$24.52
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	13	13	$182.51	$21.23
27236 Treatment of upper end of broken thigh bone with placement of stabilizing device or prosthetic replacement	13	13	$1228.30	$159.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	304	103	$5.52	$1.77
20610 Aspiration and/or injection of fluid from large joint	160	114	$311.13	$51.04
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	87	84	$218.34	$81.73
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	80	80	$217.53	$84.16
99213 Established patient office or other outpatient visit, typically 15 minutes	75	51	$147.93	$57.82
73562 X-ray of knee, 3 views	68	63	$121.59	$26.73
73030 X-ray of shoulder, minimum of 2 views	58	44	$101.26	$21.97
73502 X-ray of hip, 2-3 views	56	49	$123.29	$25.93
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	45	38	$87.61	$33.41
73564 X-ray of knee, 4 or more views	35	35	$137.88	$29.83
27447 Replacement of knee joint, both sides of knee	34	34	$1617.40	$180.65
27130 Replacement of thigh bone and hip joint with prosthesis	30	30	$1764.19	$176.70
73100 X-ray of wrist, 2 views	27	17	$102.58	$22.41
73610 X-ray of ankle, minimum of 3 views	23	15	$113.13	$22.48
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	20	20	$181.83	$22.45
29827 Repair of shoulder rotator cuff using an endoscope	15	15	$1740.82	$133.94
23472 Prosthetic repair of shoulder joint, total shoulder	15	15	$1895.27	$261.72
29823 Removal of extensive shoulder joint tissue using an endoscope	11	11	$318.40	$20.82

Medical Specialties & State Licenses

CMS Verified: 2026-01-21

Physician Assistant - Surgical Primary Specialty

NUCC Taxonomy Code: 363AS0400X

State License ID M7482

Definition to come...

Physician Assistant - Surgical

NUCC Taxonomy Code: 363AS0400X

State License WA 00034506

Definition to come...

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

8204851 (WA)

Medicaid State Provider ID

805208800 (ID)

Hospital & Practice Group Affiliations

Catalyst Medical Group Pllc

320 Warner Dr, Lewiston, ID 835014441

Phone: 2087433523

Tri-State Memorial Hospital

Po Box, Clarkston, WA 994030189

Catalyst Medical Group Pllc

1221 Highland Ave, Clarkston, WA 994032829

Phone: 2087461383

Catalyst Medical Group Pllc

808 Port Dr, Clarkston, WA 994036009

Phone: 2087461383

Catalyst Medical Group Pllc

2315 8th St, Lewiston, ID 835017301

Phone: 2087461383

Tri-State Memorial Hospital

1221 Highland Ave, Clarkston, WA 994032829

Phone: 5097585511

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Bryan Beardsley , MD

Orthopaedic Surgery

NPI 1104856087

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

10 Historical Events

📍

Updated Business Mailing Address January 21, 2026

Registered at PO BOX 189, CLARKSTON, WA 994030189 (Tel: 5097582254)

📍

Updated Practice Location October 16, 2025

Registered at 1207 EVERGREEN CT, CLARKSTON, WA 994032874 (Tel: 5097692254)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 16, 2025

Physician Assistant (License #00034506 in WA)

📍

Updated Business Mailing Address November 12, 2020

Registered at 320 WARNER DR, LEWISTON, ID 835014441 (Tel: 2087433523)

✅

NPI Profile Active August 04, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location August 04, 2016

Registered at 320 WARNER DR, LEWISTON ORTHOPAEDICS, LEWISTON, ID 83501 (Tel: 2087433523)

📍

Updated Business Mailing Address August 04, 2016

Registered at 3313 SUNRISE TERRACE LN, LEWISTON, ID 835017007

👤

Provider Name / Credentials Updated August 04, 2016

Recorded as GREGORY OBRAY, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 04, 2016

Physician Assistant (License #M7482 in ID)

🟢

Initial NPI Registration & Enumeration December 31, 2006

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: 1083770192

Entity Type:

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

Enumeration Date: December 31, 2006

Last Update: January 21, 2026

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

Po Box 189

Clarkston, WA 994030189

Phone: 5097582254

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

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