Andrew Royce Armstrong III, MPAS, PA-C
- Medicare services, 2024
- 885
- Medicare patients, 2024
- 218
- Part D claims, 2024
- 353
- MIPS score, 2024
- 74
- Industry payments
- $81
- Practice address
- 2221 Wankel Way, Oxnard, CA 93030
- Practice phone
- Call (805) 641-6415
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ventura Orthopedics
Oxnard, California
Find Andrew Armstrong's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Andrew Royce Armstrong III is a physician assistant in Oxnard, California
Andrew Armstrong practices at Ventura Orthopedics in Oxnard, California.
Andrew Armstrong's NPI, 1306196316, was assigned on September 17, 2012.
- NPI
- 1306196316NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7618219320
- NPI enumeration date
- September 17, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 641-6415
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Andrew Royce Armstrong III practices at Ventura Orthopedics in Oxnard, California
Andrew Armstrong's primary practice is Ventura Orthopedics, at 2221 Wankel Way, Oxnard, CA 93030 in Ventura County. The practice phone is (805) 641-6415.
- Ventura Orthopedics2221 Wankel Way, Oxnard, CA 93030 · Ventura CountyPhone(805) 641-6415
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Andrew Royce Armstrong III is affiliated with 2 sites of care and 1 medical group
Andrew Armstrong's primary practice is Ventura Orthopedics in Oxnard, California. The medical group on file is Ventura Orthopedics. Dmand AI also links Andrew Armstrong to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Andrew Royce Armstrong III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Andrew Armstrong practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ventura Orthopedics | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Andrew Royce Armstrong III is one of 11,482 physician assistants in California
Physician assistant is Andrew Armstrong's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Andrew Armstrong is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
Specialties and state licenses
- Physician assistantPrimary
Clinical focus
Dmand AI lists acute skin infection, arthritis, broken or dislocated ankle/ or foot, bursitis, carpal tunnel syndrome, chest wall injury, gout and hand joint or tendon inflammation among the conditions Andrew Armstrong treats.
Physician assistants near Andrew Armstrong
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Andrew Royce Armstrong III billed Medicare for 885 services in 2024
CMS data shows 885 Medicare services from Andrew Armstrong across 16 procedure codes in 2024, for 218 Medicare patients. Medicare paid $45,575 for them.
Andrew Armstrong's Medicare services by type, 2024
- Office and hospital visits454
- Imaging257
- Surgery126
- Drugs given in the office48
Where Andrew Armstrong's Medicare services took place, 2024
- In an office79990%
- In a facility8610%
Andrew Armstrong compared with the California median for physician assistants, 2024
- Andrew Armstrong
- California median
- Medicare services
- 885vs 2044.3 times
- Medicare patients
- 218vs 1052.1 times
- Part D claims
- 326vs 24334% above
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Andrew Armstrong's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Andrew Armstrong?
Medicare shows one payer. Book a meeting to get commercial claims data for Andrew Armstrong and other physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Andrew Royce Armstrong III treated 218 Medicare patients in 2024, average age 74
CMS counts 218 Medicare patients who saw Andrew Armstrong in 2024. The largest group is 65 to 74, with 113 patients. 75% of them have arthritis, and 75% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Andrew Armstrong's median patient age at 61, with 63% women.
Andrew Armstrong's Medicare patients by age, 2024
Andrew Armstrong's Medicare patients by sex, 2024
- Women15069%
- Men6831%
Chronic conditions among Andrew Armstrong's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes32%
- Ischemic heart disease29%
- Mood disorders27%
- Chronic kidney disease26%
- Osteoporosis26%
Share of Medicare patients with each condition. A patient can have several.
Andrew Armstrong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Andrew Royce Armstrong III wrote 353 Medicare Part D claims in 2024
In 2024, Andrew Armstrong wrote 353 Medicare Part D claims for 130 patients. 100% of them were for generic drugs. CMS names the drug for 326 of them, across 5 drugs with 11 or more claims each, at $3,428 in total drug cost.
Andrew Armstrong's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Andrew Armstrong's Part D claims, 2024
- Opioids5%18 of 353 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Andrew Royce Armstrong III scored 74 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 74 out of 100 for Andrew Armstrong for performance year 2024, reported as part of a group. Andrew Armstrong accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Andrew Armstrong's MIPS scores, performance year 2024
- 74of 100Final score
- 31.9of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 82of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Andrew Royce Armstrong III received $81 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Andrew Armstrong from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Vertex Pharmaceuticals Incorporated paid the most, $28.
General payments to Andrew Armstrong by program year, 2024 to 2025
Companies that paid Andrew Armstrong the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Andrew Royce Armstrong III is board certified in certified physician assistant
Andrew Armstrong is a member of AAPA.
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Andrew Royce Armstrong III's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Andrew Royce Armstrong III
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Andrew Royce Armstrong III's NPI number?
Andrew Royce Armstrong III's NPI number is 1306196316. It was assigned on September 17, 2012, and it is active in the NPI Registry.
What does Andrew Royce Armstrong III specialize in?
Andrew Royce Armstrong III is a physician assistant in Oxnard, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Andrew Royce Armstrong III practice?
Andrew Armstrong practices at 2221 Wankel Way, Oxnard, CA 93030. Andrew Armstrong's primary practice is Ventura Orthopedics in Oxnard, California. Dmand AI also links Andrew Armstrong to 1 group practice or clinic.
What is Andrew Royce Armstrong III's office phone number?
The practice phone on file for Andrew Armstrong is (805) 641-6415.
What medical group is Andrew Royce Armstrong III part of?
Andrew Armstrong is linked to Ventura Orthopedics.
Does Andrew Royce Armstrong III accept Medicare?
Yes. CMS data shows Andrew Armstrong billed Medicare for 885 services in 2024, and Andrew Armstrong accepts Medicare assignment.
What is Andrew Royce Armstrong III's MIPS score?
Andrew Armstrong's MIPS final score for performance year 2024 is 74 out of 100, reported as part of a group.
How many Medicare patients does Andrew Royce Armstrong III see?
CMS counts 218 Medicare patients who saw Andrew Armstrong in 2024, with an average age of 74.
Is Andrew Royce Armstrong III board certified?
Yes. Andrew Armstrong is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does Andrew Royce Armstrong III bill to Medicare?
In 2024, Andrew Armstrong's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and diagnostic imaging (73630).
Show 3 more questionsShow fewer questions
What drugs does Andrew Royce Armstrong III prescribe most?
In 2024 Medicare Part D data, Andrew Armstrong's most prescribed drugs by claims were Meloxicam, Celecoxib and Prednisone.
Has Andrew Royce Armstrong III received payments from drug or device companies?
CMS Open Payments shows $81 in general payments to Andrew Armstrong from 4 companies from 2024 to 2025. The largest total came from Vertex Pharmaceuticals Incorporated.
How long has Andrew Royce Armstrong III been practicing?
Andrew Armstrong graduated from medical school in 2012, 14 years ago.
Selling to physician assistant practices?
See physician assistants in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card