Active NPI 1306196316 Individual Practitioner Male Practitioner

Andrew Royce Armstrong , PA-C, MPAS

Physician Assistant • Oxnard, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Andrew Armstrong, PA-C, MPAS is a certified Physician Assistant practicing in Oxnard, CA. With approximately 14 years of clinical experience since completing medical education in 2012, Andrew Armstrong delivers high-quality medical care to the local community at 2221 WANKEL WAY.

Andrew Armstrong is affiliated with Ventura Orthopedics Medical Group Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, x-ray of foot, minimum of 3 views, x-ray of shoulder, minimum of 2 views. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2221 Wankel Way

Oxnard, CA 930300192

Telephone 8059889366

Fax 8054833747

Associated Practice Facility / Clinic

🏢 Raymond S. Pierson, Md Facility NPI 1457829400

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 Oxnard, CA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

14 Yrs +5.3 yrs vs City Avg

City Avg: 8.7 Yrs

State Avg: 11.5 Yrs

Regional Practice Density

70 Specialists

Practicing in Oxnard, CA (14617 Statewide)

Telehealth Adoption Rate

10.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

71.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Armstrong (14 Years) 14 Yrs

Oxnard Specialty Average (8.7 Years) 8.7 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
99213 Established patient office or other outpatient visit, typically 15 minutes	226	114	$188.83	$82.64
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	138	95	$268.28	$116.12
73630 X-ray of foot, minimum of 3 views	55	29	$83.56	$32.82
73030 X-ray of shoulder, minimum of 2 views	52	38	$88.00	$33.42
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	50	50	$230.00	$100.94
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	48	18	$8.00	$6.75
73564 X-ray of knee, 4 or more views	47	39	$105.00	$44.62
73610 X-ray of ankle, minimum of 3 views	47	28	$85.00	$35.17
73110 X-ray of wrist, minimum of 3 views	44	19	$86.91	$39.70
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$344.00	$146.94
20610 Aspiration and/or injection of fluid from large joint	40	21	$215.25	$59.10
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	23	23	$340.00	$23.32
29823 Removal of extensive shoulder joint tissue using an endoscope	23	23	$341.00	$17.57
29824 Partial removal of collar bone at shoulder using an endoscope	21	21	$367.81	$42.73
29827 Repair of shoulder rotator cuff using an endoscope	19	19	$584.00	$151.31
72100 X-ray of lower and sacral spine, 2-3 views	12	12	$107.00	$38.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	191	100	$189.21	$84.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	97	77	$268.00	$118.68
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	72	25	$7.79	$6.38
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	57	57	$230.00	$102.89
73030 X-ray of shoulder, minimum of 2 views	54	38	$88.00	$33.41
73564 X-ray of knee, 4 or more views	40	33	$105.00	$44.65
20610 Aspiration and/or injection of fluid from large joint	35	26	$216.71	$62.30
73110 X-ray of wrist, minimum of 3 views	29	14	$88.00	$40.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$344.00	$153.60
73130 X-ray of hand, minimum of 3 views	22	14	$84.00	$35.75
73080 X-ray of elbow, minimum of 3 views	15	11	$92.00	$32.36
73630 X-ray of foot, minimum of 3 views	15	11	$84.00	$34.08
29823 Removal of extensive shoulder joint tissue using an endoscope	12	12	$341.00	$17.97
20605 Aspiration and/or injection of medium joint or joint capsule	12	11	$155.00	$28.07
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	12	12	$340.00	$24.43
29824 Partial removal of collar bone at shoulder using an endoscope	12	12	$368.58	$54.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	303	154	$189.00	$85.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	144	111	$268.53	$120.07
73030 X-ray of shoulder, minimum of 2 views	104	57	$88.00	$34.67
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg	77	27	$8.73	$6.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	76	76	$230.00	$103.78
20610 Aspiration and/or injection of fluid from large joint	48	32	$209.27	$61.51
73564 X-ray of knee, 4 or more views	48	39	$105.00	$46.66
73630 X-ray of foot, minimum of 3 views	31	14	$84.00	$34.80
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$344.00	$155.32
73110 X-ray of wrist, minimum of 3 views	26	15	$88.00	$41.41
73080 X-ray of elbow, minimum of 3 views	23	15	$92.00	$31.27
73610 X-ray of ankle, minimum of 3 views	21	15	$85.00	$35.73
29823 Removal of extensive shoulder joint tissue using an endoscope	16	15	$342.19	$18.27
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	16	15	$340.00	$24.98
29824 Partial removal of collar bone at shoulder using an endoscope	16	15	$366.75	$44.37
20605 Aspiration and/or injection of medium joint or joint capsule	14	13	$155.00	$29.76
29827 Repair of shoulder rotator cuff using an endoscope	13	12	$584.00	$158.88
72100 X-ray of lower and sacral spine, 2-3 views	11	11	$107.00	$40.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	201	109	$171.98	$85.46
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	116	17	$3.00	$1.28
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	93	73	$252.78	$120.95
73030 X-ray of shoulder, minimum of 2 views	65	45	$88.00	$33.89
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	63	63	$228.57	$104.77
73080 X-ray of elbow, minimum of 3 views	40	23	$92.00	$31.83
73564 X-ray of knee, 4 or more views	39	30	$105.00	$44.68
73110 X-ray of wrist, minimum of 3 views	26	14	$88.00	$40.23
20610 Aspiration and/or injection of fluid from large joint	22	16	$205.00	$60.44
29824 Partial removal of collar bone at shoulder using an endoscope	21	19	$420.90	$47.79
73630 X-ray of foot, minimum of 3 views	21	11	$84.00	$33.93
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	21	19	$405.71	$25.16
29823 Removal of extensive shoulder joint tissue using an endoscope	20	18	$409.25	$17.97
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$337.70	$155.48
73130 X-ray of hand, minimum of 3 views	16	11	$84.00	$36.03
29827 Repair of shoulder rotator cuff using an endoscope	15	14	$739.87	$158.81
72100 X-ray of lower and sacral spine, 2-3 views	11	11	$107.00	$39.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	155	70	$130.00	$69.82
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	63	53	$197.00	$97.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	47	47	$200.00	$98.82
73630 X-ray of foot, minimum of 3 views	44	17	$84.00	$29.69
73030 X-ray of shoulder, minimum of 2 views	38	24	$88.00	$32.44
73080 X-ray of elbow, minimum of 3 views	31	11	$92.00	$30.29
73564 X-ray of knee, 4 or more views	22	20	$105.00	$41.05

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	24	24	$197.00	$100.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$200.00	$94.93

Medical Specialties & State Licenses

CMS Verified: 2025-07-14

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

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.

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID State License

53940 (CA)

Hospital & Practice Group Affiliations

Ventura Orthopedics Medical Group Inc

2221 Wankel Way, Oxnard, CA 930300192

Phone: 8059889366

Ventura Orthopedics Medical Group Inc

3525 Loma Vista Rd, Ventura, CA 930033165

Practice Associates & Co-Workers

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

11 Associated Practitioners

Dr. Kevin Deitel , MD

Orthopaedic Surgery - Orthopaedic Surgery of the Spine

NPI 1033111380

Doctor of Medicine (M.D.)

Dr. Renuka Rudra , MD

Physical Medicine & Rehabilitation

NPI 1033640313

Doctor of Medicine (M.D.)

Christian Castellanos

Physician Assistant

NPI 1346027828

Dr. Andrew Horn , MD

Orthopaedic Surgery - Sports Medicine

NPI 1497374128

Doctor of Medicine (M.D.)

J Hirst

Physical Therapist - Orthopedic

NPI 1528592995

Dr. Andre Ishak , MD

Orthopaedic Surgery - Hand Surgery

NPI 1639135445

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

11 Historical Events

📍

Updated Business Mailing Address July 14, 2025

Registered at 1203 FLYNN RD UNIT 160, CAMARILLO, CA 930126203 (Tel: 8058044168)

📍

Updated Business Mailing Address January 03, 2020

Registered at 5720 RALSTON ST STE 200, VENTURA, CA 930037844 (Tel: 8058044168)

📍

Updated Business Mailing Address February 28, 2019

Registered at 3525 LOMA VISTA RD STE A, VENTURA, CA 930033165 (Tel: 8058044168)

📍

Updated Practice Location January 21, 2019

Registered at 2221 WANKEL WAY, OXNARD, CA 930300192 (Tel: 8059889366)

📍

Updated Business Mailing Address January 21, 2019

Registered at 2221 WANKEL WAY, OXNARD, CA 930300192 (Tel: 8059889366)

✅

NPI Profile Active September 17, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location September 17, 2012

Registered at 3424 RADCLIFFE RD, THOUSAND OAKS, CA 913606210 (Tel: 8054921474)

📍

Updated Business Mailing Address September 17, 2012

Registered at 3424 RADCLIFFE RD, THOUSAND OAKS, CA 913606210 (Tel: 8054921474)

👤

Provider Name / Credentials Updated September 17, 2012

Recorded as ANDREW ARMSTRONG, PA-C, MPAS

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 17, 2012

Physician Assistant

🟢

Initial NPI Registration & Enumeration September 17, 2012

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1306196316

Entity Type:

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

Enumeration Date: September 17, 2012

Last Update: July 14, 2025

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

1203 Flynn Rd Unit 160

Camarillo, CA 930126203

Phone: 8058044168

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.