James Stewart Mitchell, PA-C

  • Costa Mesa, CA
  • Physician assistant
NPI1790149318PAC ID9234410648
Medicare patients, 2024
568
Part D claims, 2024
771
MIPS score, 2024
88
Hospital affiliations
2
Industry payments
$17
Practice address
1190 Baker St, Costa Mesa, CA 92626
Practice phone
Call (949) 557-0000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Hoag Urgent Care

Costa Mesa, California

See all 8 affiliations

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James Stewart Mitchell is a physician assistant in Costa Mesa, California

James Mitchell practices at Hoag Urgent Care in Costa Mesa, California.

James Mitchell's NPI, 1790149318, was assigned on April 9, 2016. James Mitchell graduated from Loma Linda University School of Medicine in 2016. James Mitchell holds California license 53927.

NPI and contact details
Medicare PAC ID
9234410648
NPI enumeration date
April 9, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(949) 557-0000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

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

James Stewart Mitchell practices at Hoag Urgent Care in Costa Mesa, California

James Mitchell's primary practice is Hoag Urgent Care, at 1190 Baker St, Costa Mesa, CA 92626 in Orange County. The practice phone is (949) 557-0000.

  • Hoag Urgent Care
    1190 Baker St, Costa Mesa, CA 92626 · Orange CountyPhone(949) 557-0000

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

James Stewart Mitchell is affiliated with 3 sites of care and 5 medical groups

James Mitchell's primary practice is Hoag Urgent Care in Costa Mesa, California. James Mitchell is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Hoag Clinic. Dmand AI also links James Mitchell to 1 more hospital and 4 medical groups, each named with a free account.

See all 8 affiliations for James Mitchell

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

Dmand AI tracks the EHR system at James Stewart Mitchell's practice

Dmand AI tracks the electronic health record (EHR) system at each site where James Mitchell practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Hoag Urgent CareAvailable with a free account
+2 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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James Stewart Mitchell is one of 11,482 physician assistants in California

Physician assistant is James Mitchell's primary specialty in the NPI Registry, under taxonomy code 363A00000X. James Mitchell is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense 53927 · taxonomy 363A00000X

Physician assistants near James Mitchell

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

James Stewart Mitchell treated 568 Medicare patients in 2024, average age 75

CMS counts 568 Medicare patients who saw James Mitchell in 2024. The largest group is 65 to 74, with 262 patients. 75% of them have high cholesterol, and 67% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts James Mitchell's median patient age at 46, with 58% women.

Medicare patients, 2024568
Average age75
Average risk score1.12
Also on Medicaid5%

James Mitchell's Medicare patients by age, 2024

James Mitchell's Medicare patients by sex, 2024

  • Women36664%
  • Men20236%

Chronic conditions among James Mitchell's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure67%
  3. Arthritis49%
  4. Ischemic heart disease27%
  5. Mood disorders25%
  6. Cancer22%
  7. Depression22%
  8. Anxiety21%

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

James Mitchell's patients across all payers

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

Patient panel by age, all payers

Median age 46

Patient panel by sex, all payers

  • Women58%
  • Men41%

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

James Stewart Mitchell wrote 771 Medicare Part D claims in 2024

In 2024, James Mitchell wrote 771 Medicare Part D claims for 529 patients. 92% of them were for generic drugs.

Part D claims, 2024771
Part D patients529

James Mitchell's Part D claims by kind of drug, 2024

  • Generic711 claims92%
  • Brand-name and other60 claims8%

Drug classes CMS tracks in James Mitchell's Part D claims, 2024

  • Antibiotics50%382 of 771 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

James Stewart Mitchell scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for James Mitchell for performance year 2024, reported as part of a group. James Mitchell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

James Mitchell's MIPS scores, performance year 2024

  • 88of 100Final score
  • 84.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 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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James Stewart Mitchell received $17 in industry payments in 2025

CMS Open Payments shows 1 general payment to James Mitchell from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $17.

Companies that paid James Mitchell the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to James Mitchell

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

James Stewart Mitchell graduated from Loma Linda University School of Medicine

James Mitchell graduated from Loma Linda University School of Medicine in 2016.

  1. Medical schoolLoma Linda University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for James Stewart Mitchell'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 DataDmand AI Org Hierarchy Data
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 James Stewart Mitchell

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

What is James Stewart Mitchell's NPI number?

James Stewart Mitchell's NPI number is 1790149318. It was assigned on April 9, 2016, and it is active in the NPI Registry.

What does James Stewart Mitchell specialize in?

James Stewart Mitchell is a physician assistant in Costa Mesa, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does James Stewart Mitchell practice?

James Mitchell practices at 1190 Baker St, Costa Mesa, CA 92626. James Mitchell's primary practice is Hoag Urgent Care in Costa Mesa, California. Dmand AI also links James Mitchell to 1 hospital and 4 medical groups.

What is James Stewart Mitchell's office phone number?

The practice phone on file for James Mitchell is (949) 557-0000.

What is James Stewart Mitchell's medical license number?

James Mitchell holds California license 53927.

Which hospitals is James Stewart Mitchell affiliated with?

James Mitchell is affiliated with Hoag Hospital Newport Beach. Dmand AI links James Mitchell to 1 more hospital.

What medical group is James Stewart Mitchell part of?

James Mitchell is linked to Hoag Clinic. Dmand AI links James Mitchell to 4 more medical groups.

Does James Stewart Mitchell accept Medicare?

Yes. CMS lists James Mitchell as accepting Medicare assignment.

What is James Stewart Mitchell's MIPS score?

James Mitchell's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

How many Medicare patients does James Stewart Mitchell see?

CMS counts 568 Medicare patients who saw James Mitchell in 2024, with an average age of 75.

Show 3 more questionsShow fewer questions

Where did James Stewart Mitchell go to medical school?

James Mitchell graduated from Loma Linda University School of Medicine in 2016.

Has James Stewart Mitchell received payments from drug or device companies?

CMS Open Payments shows $17 in general payments to James Mitchell from 1 company from 2025 to 2025. The largest total came from Novo Nordisk Inc.

How long has James Stewart Mitchell been practicing?

James Mitchell graduated from medical school in 2016, 10 years ago.

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