Active NPI 1528069119 Individual Practitioner Male Practitioner

Brent E Walker , PA-C

Physician Assistant • Tucson, AZ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Brent Walker, PA-C is a certified Physician Assistant practicing in Tucson, AZ. With approximately 38 years of clinical experience since completing medical education in 1988, Brent Walker delivers high-quality medical care to the local community at 5301 E GRANT RD.

Brent Walker is affiliated with Tucson Orthopaedic Institute Professional Corporation and accepts Medicare assignment.

Frequently performed procedures and clinical services include hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg, injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg, injection, methylprednisolone acetate, 1 mg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5301 E Grant Rd
Orthopaedic Bldg, 1st Floor

Tucson, AZ 857122805

Telephone 5207846200

Fax 5207846109

Associated Practice Facility / Clinic

🏢 Tucson Medical Center Facility NPI 1174512792

Medicare Profile & Education

Medical School

Other

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Tucson, AZ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

38 Yrs +27.9 yrs vs City Avg

City Avg: 10.1 Yrs

State Avg: 12.5 Yrs

Regional Practice Density

292 Specialists

Practicing in Tucson, AZ (3711 Statewide)

Telehealth Adoption Rate

10.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

71.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Walker (38 Years) 38 Yrs

Tucson Specialty Average (10.1 Years) 10.1 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
J7329 Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg	11,877	101	$39.00	$7.17
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg	8,321	151	$47.00	$17.25
J1010 Injection, methylprednisolone acetate, 1 mg	2,320	23	$1.00	$0.12
20610 Aspiration and/or injection of fluid from large joint	594	204	$227.96	$65.00
73564 X-ray of knee, 4 or more views	202	162	$109.00	$39.82
99213 Established patient office or other outpatient visit, typically 15 minutes	195	152	$214.00	$76.84
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	140	107	$122.00	$47.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	107	97	$301.00	$108.29
73562 X-ray of knee, 3 views	85	70	$97.19	$33.77
73502 X-ray of hip, 2-3 views	63	61	$113.60	$39.10
72100 X-ray of lower and sacral spine, 2-3 views	56	55	$119.43	$32.78
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	49	49	$466.00	$141.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$303.00	$94.70
27447 Replacement of knee joint, both sides of knee	29	29	$913.00	$172.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7328 Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg	27,216	42	$6.00	$0.73
J7329 Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg	5,984	55	$39.00	$8.71
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg	5,504	88	$47.00	$16.74
20610 Aspiration and/or injection of fluid from large joint	469	131	$216.18	$60.47
99213 Established patient office or other outpatient visit, typically 15 minutes	177	124	$214.00	$75.28
73564 X-ray of knee, 4 or more views	119	92	$109.00	$39.09
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	107	95	$122.00	$47.26
27447 Replacement of knee joint, both sides of knee	83	80	$956.99	$168.83
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	78	72	$301.00	$106.95
73562 X-ray of knee, 3 views	72	66	$95.79	$32.82
73502 X-ray of hip, 2-3 views	61	56	$113.56	$38.88
J1030 Injection, methylprednisolone acetate, 40 mg	53	12	$10.00	$7.69
72100 X-ray of lower and sacral spine, 2-3 views	37	35	$121.00	$33.53
27130 Replacement of thigh bone and hip joint with prosthesis	26	24	$855.00	$172.17
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$466.00	$139.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$303.00	$93.69

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7328 Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg	42,875	60	$6.00	$1.87
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg	4,608	76	$47.00	$17.08
20610 Aspiration and/or injection of fluid from large joint	366	112	$216.66	$62.71
73564 X-ray of knee, 4 or more views	155	115	$109.00	$38.21
99213 Established patient office or other outpatient visit, typically 15 minutes	146	109	$214.00	$75.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	87	77	$301.00	$105.93
73502 X-ray of hip, 2-3 views	79	70	$115.00	$39.34
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	67	61	$122.00	$46.96
27447 Replacement of knee joint, both sides of knee	64	58	$1130.31	$172.62
72100 X-ray of lower and sacral spine, 2-3 views	61	60	$121.00	$33.48
J1030 Injection, methylprednisolone acetate, 40 mg	48	22	$10.00	$6.24
73562 X-ray of knee, 3 views	36	35	$99.00	$33.51
27130 Replacement of thigh bone and hip joint with prosthesis	35	33	$1056.77	$172.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$303.00	$93.52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$466.00	$139.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7328 Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg	43,881	61	$6.00	$2.18
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg	4,544	82	$47.00	$17.91
20610 Aspiration and/or injection of fluid from large joint	408	122	$208.76	$60.35
99213 Established patient office or other outpatient visit, typically 15 minutes	147	103	$214.00	$76.50
73564 X-ray of knee, 4 or more views	131	97	$109.00	$37.94
J1030 Injection, methylprednisolone acetate, 40 mg	80	33	$10.00	$5.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	68	63	$301.00	$108.09
73502 X-ray of hip, 2-3 views	48	46	$115.00	$38.38
27447 Replacement of knee joint, both sides of knee	38	37	$1141.00	$175.39
72100 X-ray of lower and sacral spine, 2-3 views	37	37	$121.00	$33.30
73562 X-ray of knee, 3 views	29	28	$99.00	$32.92
27130 Replacement of thigh bone and hip joint with prosthesis	26	25	$1069.00	$175.61
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$303.00	$91.80
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	16	$122.00	$47.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7328 Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg	12,428	19	$6.00	$2.25
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg	4,480	86	$47.00	$18.43
20610 Aspiration and/or injection of fluid from large joint	484	148	$219.37	$61.01
99213 Established patient office or other outpatient visit, typically 15 minutes	346	234	$214.00	$63.06
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	277	51	$297.00	$142.81
J1030 Injection, methylprednisolone acetate, 40 mg	182	86	$10.00	$6.08
73564 X-ray of knee, 4 or more views	160	124	$109.00	$36.26
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	114	114	$303.00	$91.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	72	65	$301.00	$91.67
73502 X-ray of hip, 2-3 views	56	54	$115.00	$37.84
72100 X-ray of lower and sacral spine, 2-3 views	53	53	$121.00	$31.86
27447 Replacement of knee joint, both sides of knee	48	47	$1164.77	$189.94
73562 X-ray of knee, 3 views	39	34	$99.00	$32.75
27130 Replacement of thigh bone and hip joint with prosthesis	34	33	$1069.00	$188.18
99202 New patient office or other outpatient visit, typically 20 minutes	25	25	$209.00	$63.95
73630 X-ray of foot, minimum of 3 views	23	21	$81.00	$26.23
73030 X-ray of shoulder, minimum of 2 views	20	16	$81.00	$27.72
73110 X-ray of wrist, minimum of 3 views	17	16	$97.00	$32.46
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	16	15	$136.00	$20.10
29075 Application of elbow to finger cast	16	15	$251.00	$72.56
73610 X-ray of ankle, minimum of 3 views	16	16	$92.00	$26.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg	3,521	72	$47.00	$18.07
20610 Aspiration and/or injection of fluid from large joint	504	186	$224.33	$58.95
99213 Established patient office or other outpatient visit, typically 15 minutes	430	300	$214.00	$61.71
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	350	71	$297.00	$141.47
73564 X-ray of knee, 4 or more views	254	205	$109.00	$34.49
J1030 Injection, methylprednisolone acetate, 40 mg	246	114	$10.00	$6.35
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	184	162	$301.00	$91.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	121	121	$303.00	$90.87
72100 X-ray of lower and sacral spine, 2-3 views	108	106	$121.00	$30.42
73502 X-ray of hip, 2-3 views	103	101	$115.00	$35.29
27447 Replacement of knee joint, both sides of knee	54	53	$1141.00	$185.94
73562 X-ray of knee, 3 views	52	42	$99.00	$31.27
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$466.00	$136.61
73030 X-ray of shoulder, minimum of 2 views	33	29	$81.00	$23.61
27130 Replacement of thigh bone and hip joint with prosthesis	30	30	$1069.00	$186.03
99202 New patient office or other outpatient visit, typically 20 minutes	25	25	$209.00	$64.36
73610 X-ray of ankle, minimum of 3 views	23	17	$92.00	$27.99
73110 X-ray of wrist, minimum of 3 views	21	16	$97.00	$30.66
73130 X-ray of hand, minimum of 3 views	16	14	$88.00	$27.99
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	14	13	$136.00	$19.72
73522 X-ray of both hips, 3-4 views	13	13	$200.00	$42.03
29075 Application of elbow to finger cast	13	12	$251.00	$73.22
73630 X-ray of foot, minimum of 3 views	12	12	$81.00	$26.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	453	153	$234.69	$58.07
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	336	77	$297.00	$145.72
J1030 Injection, methylprednisolone acetate, 40 mg	312	128	$10.00	$6.64
99213 Established patient office or other outpatient visit, typically 15 minutes	277	191	$214.00	$60.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	179	154	$301.00	$89.56
73564 X-ray of knee, 4 or more views	156	128	$119.26	$32.75
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	94	94	$303.00	$89.21
73502 X-ray of hip, 2-3 views	86	81	$115.00	$33.72
72100 X-ray of lower and sacral spine, 2-3 views	69	67	$121.00	$28.38
27447 Replacement of knee joint, both sides of knee	47	47	$1141.00	$181.35
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	46	46	$466.00	$135.69
73562 X-ray of knee, 3 views	36	31	$107.61	$29.65
73030 X-ray of shoulder, minimum of 2 views	29	25	$86.31	$23.75
73630 X-ray of foot, minimum of 3 views	19	12	$89.89	$24.33
27130 Replacement of thigh bone and hip joint with prosthesis	16	16	$1069.00	$183.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	410	259	$214.00	$60.85
20610 Aspiration and/or injection of fluid from large joint	410	155	$250.00	$58.43
J7323 Hyaluronan or derivative, euflexxa, for intra-articular injection, per dose	286	61	$297.00	$152.59
J1030 Injection, methylprednisolone acetate, 40 mg	230	129	$10.00	$5.66
73564 X-ray of knee, 4 or more views	200	161	$125.00	$32.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	104	96	$301.00	$88.87
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	91	91	$303.00	$89.31
73502 X-ray of hip, 2-3 views	83	83	$115.00	$33.94
72100 X-ray of lower and sacral spine, 2-3 views	68	68	$121.00	$28.59
27447 Replacement of knee joint, both sides of knee	40	39	$1141.00	$182.92
27130 Replacement of thigh bone and hip joint with prosthesis	37	37	$1069.00	$184.09
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$466.00	$137.52
73562 X-ray of knee, 3 views	27	24	$109.00	$29.96
73030 X-ray of shoulder, minimum of 2 views	24	21	$92.00	$24.29
73610 X-ray of ankle, minimum of 3 views	14	12	$95.00	$24.55

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License AZ 1400

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 - Medical

NUCC Taxonomy Code: 363AM0700X

State License AZ 1400

Definition to come...

Physician Assistant - Surgical

NUCC Taxonomy Code: 363AS0400X

State License AZ 1400

Definition to come...

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

175514 (AZ)

Hospital & Practice Group Affiliations

Tucson Orthopaedic Institute Professional Corporation

5301 E Grant Rd, Tucson, AZ 857122805

Phone: 5207846200

Tucson Orthopaedic Institute Professional Corporation

6320 N La Cholla Blvd, Tucson, AZ 857413549

Phone: 5203828200

Practice Associates & Co-Workers

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

40 Associated Practitioners

Jennifer Zoucha , PT

Physical Therapist

NPI 1023008273

Physical Therapist

Dr. Joel Goode , MD

Orthopaedic Surgery - Hand Surgery

NPI 1033110762

Doctor of Medicine (M.D.)

Anne Mills , PA

Physician Assistant

NPI 1053059154

Physician Assistant

Samantha Miller , PA-C

Physician Assistant

NPI 1083186423

Physician Assistant (Certified)

Philip Olona , PA

Physician Assistant

NPI 1083694582

Physician Assistant

Dr. Aaron Roberts , MD

Family Medicine - Sports Medicine

NPI 1114105715

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active June 14, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location June 14, 2013

Registered at 5301 E GRANT RD, ORTHOPAEDIC BLDG, 1ST FLOOR, TUCSON, AZ 857122805 (Tel: 5207846200)

📍

Updated Business Mailing Address June 14, 2013

Registered at PO BOX 31630, ATTN: CREDENTIALING DEPARTMENT, TUCSON, AZ 857511630 (Tel: 5207846200)

👤

Provider Name / Credentials Updated June 14, 2013

Recorded as BRENT WALKER, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 14, 2013

Physician Assistant (License #1400 in AZ)

🟢

Initial NPI Registration & Enumeration August 03, 2005

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: 1528069119

Entity Type:

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

Enumeration Date: August 03, 2005

Last Update: June 14, 2013

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 31630, Attn: Credentialing Department

Tucson, AZ 857511630

Phone: 5207846200

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.