Justin Patrick Holiwell
Physician Assistant · Santa Barbara, CA
Justin Patrick Holiwell is a physician assistant with a practice address in Santa Barbara, California, and NPI 1912540592, issued on Oct 25, 2019. Check the license (California PA58237, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justin Patrick Holiwell
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA58237 CA
Self-reported in NPPES; status is on the state search - Practice location
- 400 W Pueblo St, Santa Barbara, CA 93105
- Phone
- (805) 682-7111
- Enumerated
- Oct 25, 2019
- Record last updated
- Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201026002178); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 400 W Pueblo St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tamanna AhluwaliaStudent in an Organized Health Care Education/Training Program1376338384
- Jung Hwa Ahn, MDStudent in an Organized Health Care Education/Training Program1083553572
- Fares Al-Khouja, MDStudent in an Organized Health Care Education/Training Program1497441778
- Sarah Anderson, MDStudent in an Organized Health Care Education/Training Program1154172872
Verify Justin Patrick Holiwell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA58237Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average physician assistant in 2024
37 Medicare Part D claims for 26 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $311.71
8 payments; by number, the most common kind was food and beverage; the largest payer was Biosense Webster, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sansum ClinicSanta Barbara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Patrick Holiwell among 14,451 physician assistant records in California
Justin Patrick Holiwell is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 56% of them.
- NPI issued2019 · 56% of these records are older, 38% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2020 · median 2018 among the 7,214 with a school on file
- Record last updated2021 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
107 physician assistant records list a practice address in Santa Barbara
They are 107 of the 5,328 NPPES records with a practice address in Santa Barbara, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Santa Barbara → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Gary Bilodeau, PA-CSanta Barbara, CA 931051063447704
- Jared Files, PA-CSanta Barbara, CA 931051154613552
- Joanna Gibbs, PA-CSanta Barbara, CA 931051235457466
- Karen Goyal, PA-CSanta Barbara, CA 931051972823946
- Gary Hawkins, PASanta Barbara, CA 931051720090434
- Marissa Jobe, PA-CSanta Barbara, CA 931051740302413
- Rosalie Meijer, PA-C, MMSSanta Barbara, CA 931051295867919
- Heather Merrick, PASanta Barbara, CA 931051528157138
Common questions
What is Justin Patrick Holiwell's NPI number?
Justin Patrick Holiwell's National Provider Identifier (NPI) is 1912540592, issued on Oct 25, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Justin Patrick Holiwell located?
The NPPES record lists a practice address at 400 W Pueblo St, Santa Barbara, CA, 93105. Phone: (805) 682-7111. Providers update this record themselves, so call before visiting.
How can I verify Justin Patrick Holiwell's license?
NPPES lists California license number PA58237, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Justin Patrick Holiwell prescribe under Medicare Part D?
In 2024, Justin Patrick Holiwell had 37 Medicare Part D claims for 26 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Justin Patrick Holiwell's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.