Aaron S. Highsmith, PA

  • Mission Hills, CA
  • Physician assistant
NPI1124290093PAC ID4587733910
Medicare services, 2024
645
Medicare patients, 2024
232
Part D claims, 2024
44
MIPS score, 2024
97
Hospital affiliations
2
Practice address
11600a Indian Hills Road, Mission Hills, Ca 91345, Mission Hills, CA 91345
Practice phone
Call (818) 898-4630
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Sub-Acute Care Center

Skilled Nursing Facility - Hospital-Based · Mission Hills, California

See all 7 affiliations

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Aaron S. Highsmith is a physician assistant in Mission Hills, California

Aaron Highsmith practices at Sub-Acute Care Center in Mission Hills, California.

Aaron Highsmith's NPI, 1124290093, was assigned on March 31, 2008. Aaron Highsmith holds California license 19698.

NPI and contact details
Medicare PAC ID
4587733910
NPI enumeration date
March 31, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(818) 898-4630
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Aaron S. Highsmith practices at 2 locations in Mission Hills, California

Aaron Highsmith's primary practice is Sub-Acute Care Center, at 11600a Indian Hills Road, Mission Hills, Ca 91345, Mission Hills, CA 91345 in Los Angeles County. The practice phone is (818) 898-4630. Aaron Highsmith also practices at Providence Holy Cross Medical Center, 15031 W Rinaldi St, Mission Hills, CA 91345.

  • Sub-Acute Care CenterPrimary
    11600a Indian Hills Road, Mission Hills, Ca 91345, Mission Hills, CA 91345 · Los Angeles CountyPhone(818) 898-4630
  • Providence Holy Cross Medical Center
    15031 W Rinaldi St, Mission Hills, CA 91345 · Los Angeles CountyPhone(818) 365-8051

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Aaron S. Highsmith is affiliated with 3 sites of care and 4 medical groups

Aaron Highsmith's primary practice is Sub-Acute Care Center in Mission Hills, California. Aaron Highsmith is also affiliated with Providence Holy Cross Medical Center. The medical group on file is Vituity. Dmand AI also links Aaron Highsmith to 1 more hospital and 3 medical groups, each named with a free account.

See all 7 affiliations for Aaron Highsmith

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Aaron S. Highsmith's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Aaron Highsmith practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sub-Acute Care CenterAvailable with a free account
+2 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Aaron S. Highsmith is one of 11,482 physician assistants in California

Physician assistant is Aaron Highsmith's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Aaron Highsmith is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Aaron Highsmith is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense 19698 · taxonomy 363A00000X

Physician assistants near Aaron Highsmith

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

Aaron S. Highsmith billed Medicare for 645 services in 2024

CMS data shows 645 Medicare services from Aaron Highsmith across 4 procedure codes in 2024, for 232 Medicare patients. Medicare paid $51,529 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024645
Medicare patients232
Paid by Medicare$51,529
Procedure codes4

Aaron Highsmith compared with the California median for physician assistants, 2024

  • Aaron Highsmith
  • California median
Medicare services
645vs 2043.2 times
Medicare patients
232vs 1052.2 times

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Aaron Highsmith'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.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Aaron S. Highsmith treated 232 Medicare patients in 2024, average age 74

CMS counts 232 Medicare patients who saw Aaron Highsmith in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 72% are also on Medicaid. Their average risk score is 3.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Aaron Highsmith's median patient age at 64, with 54% women.

Medicare patients, 2024232
Average age74
Average risk score3.69
Also on Medicaid72%

Aaron Highsmith's Medicare patients by age, 2024

Aaron Highsmith's Medicare patients by sex, 2024

  • Women11550%
  • Men11750%

Chronic conditions among Aaron Highsmith's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes66%
  4. Heart failure62%
  5. Chronic kidney disease61%
  6. Arthritis56%
  7. Ischemic heart disease53%
  8. Mood disorders38%

Share of Medicare patients with each condition. A patient can have several.

Aaron Highsmith's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women54%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Aaron S. Highsmith wrote 44 Medicare Part D claims in 2024

In 2024, Aaron Highsmith wrote 44 Medicare Part D claims for 30 patients. 89% of them were for generic drugs.

Part D claims, 202444
Part D patients30

Aaron Highsmith's Part D claims by kind of drug, 2024

  • Generic39 claims89%
  • Brand-name and other5 claims11%

Drug classes CMS tracks in Aaron Highsmith's Part D claims, 2024

  • Opioids34%15 of 44 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Aaron S. Highsmith scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Aaron Highsmith for performance year 2024, reported as part of a group. Aaron Highsmith accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Aaron Highsmith's MIPS scores, performance year 2024

  • 97of 100Final score
  • 90of 100Quality
  • 40of 100Improvement Activities
  • 78of 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

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Aaron S. Highsmith received $400 in industry payments from 2024 to 2025

CMS Open Payments shows 10 general payments to Aaron Highsmith from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Siemens Medical Solutions USA, Inc. paid the most, $185.

General payments to Aaron Highsmith by program year, 2024 to 2025

Companies that paid Aaron Highsmith the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Aaron Highsmith

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Aaron S. Highsmith is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Aaron S. Highsmith's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Aaron S. Highsmith

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Aaron S. Highsmith's NPI number?

Aaron S. Highsmith's NPI number is 1124290093. It was assigned on March 31, 2008, and it is active in the NPI Registry.

What does Aaron S. Highsmith specialize in?

Aaron S. Highsmith is a physician assistant in Mission Hills, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Aaron S. Highsmith practice?

Aaron Highsmith practices at 11600a Indian Hills Road, Mission Hills, Ca 91345, Mission Hills, CA 91345. Aaron Highsmith also practices at 15031 W Rinaldi St, Mission Hills, CA 91345. Aaron Highsmith's primary practice is Sub-Acute Care Center in Mission Hills, California. Dmand AI also links Aaron Highsmith to 1 hospital and 3 medical groups.

What is Aaron S. Highsmith's office phone number?

The practice phone on file for Aaron Highsmith is (818) 898-4630.

What is Aaron S. Highsmith's medical license number?

Aaron Highsmith holds California license 19698.

Which hospitals is Aaron S. Highsmith affiliated with?

Aaron Highsmith is affiliated with Providence Holy Cross Medical Center. Dmand AI links Aaron Highsmith to 1 more hospital.

What medical group is Aaron S. Highsmith part of?

Aaron Highsmith is linked to Vituity. Dmand AI links Aaron Highsmith to 3 more medical groups.

Does Aaron S. Highsmith accept Medicare?

Yes. CMS data shows Aaron Highsmith billed Medicare for 645 services in 2024, and Aaron Highsmith accepts Medicare assignment.

What is Aaron S. Highsmith's MIPS score?

Aaron Highsmith's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.

How many Medicare patients does Aaron S. Highsmith see?

CMS counts 232 Medicare patients who saw Aaron Highsmith in 2024, with an average age of 74.

Show 4 more questionsShow fewer questions

Is Aaron S. Highsmith board certified?

Yes. Aaron Highsmith is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

What services does Aaron S. Highsmith bill to Medicare?

In 2024, Aaron Highsmith's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and hospital inpatient care (99223).

Has Aaron S. Highsmith received payments from drug or device companies?

CMS Open Payments shows $400 in general payments to Aaron Highsmith from 4 companies from 2024 to 2025. The largest total came from Siemens Medical Solutions USA, Inc.

How long has Aaron S. Highsmith been practicing?

Aaron Highsmith graduated from medical school in 2008, 18 years ago.

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