Stuart J. Macdonell, PA-C

  • Mountain View, CA
  • Physician assistant
NPI1407814247
Medicare services, 2024
3,185
Medicare patients, 2024
508
Part D claims, 2024
713
MIPS score, 2024
85
Industry payments
$1,392
Practice address
525 South Dr, Mountain View, CA 94040
Practice phone
Call (650) 969-5600
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Csi Medical Group

Mountain View, California

See all 3 affiliations

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Stuart J. Macdonell is a physician assistant in Mountain View, California

Stuart Macdonell practices at Csi Medical Group in Mountain View, California.

Stuart Macdonell's NPI, 1407814247, was assigned on May 2, 2006. Stuart Macdonell holds California license 54521.

NPI and contact details
NPI enumeration date
May 2, 2006
NPI status
Active
Practice phone
(650) 969-5600
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
58
Medical school graduation
1994

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

Stuart J. Macdonell practices at Csi Medical Group in Mountain View, California

Stuart Macdonell's primary practice is Csi Medical Group, at 525 South Dr, Mountain View, CA 94040 in Santa Clara County. The practice phone is (650) 969-5600.

  • Csi Medical Group
    525 South Dr, Mountain View, CA 94040 · Santa Clara CountyPhone(650) 969-5600

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

Stuart J. Macdonell is affiliated with 2 sites of care and 1 medical group

Stuart Macdonell's primary practice is Csi Medical Group in Mountain View, California. The medical group on file is Schweiger Dermatology Group, San Pedro. Dmand AI also links Stuart Macdonell to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Stuart Macdonell

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

Dmand AI tracks the EHR system at Stuart J. Macdonell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Stuart Macdonell practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Csi Medical GroupAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Stuart J. Macdonell is one of 2,381 physician assistants in California

Medical is Stuart Macdonell's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Stuart Macdonell is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Dmand AI has Stuart Macdonell's licenses on file in 2 states: California and North Carolina.

Specialties and state licenses

  • Medical physician assistant, CaliforniaPrimaryLicense 54521 · taxonomy 363AM0700X
  • North Carolina licenseLicense 103850

Clinical focus

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cold sores or genital herpes, contact dermatitis, corns and calluses, hives and itchy rashes among the conditions Stuart Macdonell treats.

Physician assistants near Stuart Macdonell

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

2,381physician assistants in California
5physician assistants in Mountain View

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Stuart J. Macdonell billed Medicare for 3,185 services in 2024

CMS data shows 3,185 Medicare services from Stuart Macdonell across 11 procedure codes in 2024, for 508 Medicare patients. Medicare paid $79,536 for them. Every service was in an office.

Medicare services, 20243,185
Medicare patients508
Paid by Medicare$79,536
Procedure codes11

Stuart Macdonell's Medicare services by type, 2024

  1. Surgery2,307
  2. Office and hospital visits750
  3. Drugs given in the office128

Stuart Macdonell compared with the California median for physician assistants, 2024

  • Stuart Macdonell
  • California median
Medicare services
3,185vs 27811.5 times
Medicare patients
508vs 1164.4 times
Part D claims
596vs 44035% above

Medians across 1,473 physician assistants in California with Dmand AI profiles that report each measure.

Stuart Macdonell'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.

See all procedures by Stuart Macdonell

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

Stuart J. Macdonell treated 508 Medicare patients in 2024, average age 75

CMS counts 508 Medicare patients who saw Stuart Macdonell in 2024. The largest group is 65 to 74, with 241 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 14% are also on Medicaid. Their average risk score is 0.90, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Stuart Macdonell's median patient age at 62, with 0% women.

Medicare patients, 2024508
Average age75
Average risk score0.90
Also on Medicaid14%

Stuart Macdonell's Medicare patients by age, 2024

Stuart Macdonell's Medicare patients by sex, 2024

  • Women24047%
  • Men26853%

Chronic conditions among Stuart Macdonell's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis45%
  4. Diabetes20%
  5. Atrial fibrillation17%
  6. Ischemic heart disease17%
  7. Osteoporosis16%
  8. Chronic kidney disease15%

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

Stuart Macdonell's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women0%
  • Men100%

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

Stuart J. Macdonell wrote 713 Medicare Part D claims in 2024

In 2024, Stuart Macdonell wrote 713 Medicare Part D claims for 244 patients. 87% of them were for generic drugs. CMS names the drug for 596 of them, across 17 drugs with 11 or more claims each, at $313,808 in total drug cost.

Part D claims, 2024713
Drugs named by CMS17
Total drug cost$313,808
Part D patients244

Stuart Macdonell's Part D claims by kind of drug, 2024

  • Generic620 claims87%
  • Brand-name and other93 claims13%

Stuart Macdonell'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 Stuart Macdonell's Part D claims, 2024

  • Antibiotics4%30 of 713 claims

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

See all prescribing by Stuart Macdonell

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

Stuart J. Macdonell scored 85 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Stuart Macdonell for performance year 2024, reported as part of a group.

Stuart Macdonell's MIPS scores, performance year 2024

  • 85of 100Final score
  • 90.8of 100Quality
  • 87of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Stuart J. Macdonell received $1,392 in industry payments in 2024

CMS Open Payments shows 54 general payments to Stuart Macdonell from 13 drug and device companies in 2024. Food and beverage make up the largest share, 93% of the total. Regeneron Pharmaceuticals, Inc. paid the most, $295.

General payments to Stuart Macdonell by kind, 2024 to 2024

$1.4Kin total
  • Food and beverage$1,29893%
  • Education$937%

Companies that paid Stuart Macdonell the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Stuart Macdonell

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

Stuart J. Macdonell 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 Stuart J. Macdonell'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 Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 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 percentilesClinician 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 Stuart J. Macdonell

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

What is Stuart J. Macdonell's NPI number?

Stuart J. Macdonell's NPI number is 1407814247. It was assigned on May 2, 2006, and it is active in the NPI Registry.

What does Stuart J. Macdonell specialize in?

Stuart J. Macdonell is a physician assistant in Mountain View, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does Stuart J. Macdonell practice?

Stuart Macdonell practices at 525 South Dr, Mountain View, CA 94040. Stuart Macdonell's primary practice is Csi Medical Group in Mountain View, California. Dmand AI also links Stuart Macdonell to 1 group practice or clinic.

What is Stuart J. Macdonell's office phone number?

The practice phone on file for Stuart Macdonell is (650) 969-5600.

What is Stuart J. Macdonell's medical license number?

Stuart Macdonell holds California license 54521, one of the licenses on file in 2 states.

Which states has Stuart J. Macdonell been licensed in?

Dmand AI has state licenses on file for Stuart Macdonell in California and North Carolina.

What medical group is Stuart J. Macdonell part of?

Stuart Macdonell is linked to Schweiger Dermatology Group, San Pedro.

Does Stuart J. Macdonell accept Medicare?

Yes. CMS data shows Stuart Macdonell billed Medicare for 3,185 services in 2024.

What is Stuart J. Macdonell's MIPS score?

Stuart Macdonell's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.

How many Medicare patients does Stuart J. Macdonell see?

CMS counts 508 Medicare patients who saw Stuart Macdonell in 2024, with an average age of 75.

Show 5 more questionsShow fewer questions

Is Stuart J. Macdonell board certified?

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

What services does Stuart J. Macdonell bill to Medicare?

In 2024, Stuart Macdonell's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and surgery: skin and soft tissue (17000).

What drugs does Stuart J. Macdonell prescribe most?

In 2024 Medicare Part D data, Stuart Macdonell's most prescribed drugs by claims were Triamcinolone Acetonide, Ketoconazole and Doxycycline Hyclate.

Has Stuart J. Macdonell received payments from drug or device companies?

CMS Open Payments shows $1,392 in general payments to Stuart Macdonell from 13 companies from 2024 to 2024. The largest total came from Regeneron Pharmaceuticals, Inc.

How long has Stuart J. Macdonell been practicing?

Stuart Macdonell graduated from medical school in 1994, 32 years ago.

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