Allison Chadwick, PA-C
Physician Assistant · Santa Cruz, CA
Allison Chadwick, PA-C is a physician assistant with a practice address in Santa Cruz, California, and NPI 1689048019, issued on Nov 23, 2015. Check the license (California 52991, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Allison Chadwick
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 52991 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2025 Soquel Ave, Santa Cruz, CA 95062
- Phone
- (831) 458-5537
- Enumerated
- Nov 23, 2015
- Record last updated
- Dec 4, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20151223001070); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 2025 Soquel Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Allison Chadwick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 52991Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average physician assistant in 2024
337 Medicare Part D claims for 238 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass45 claims
- Cephalexin42 claims
- Mupirocin24 claims
- Doxycycline Monohydrate19 claims
- Prednisone16 claims
- Azithromycin14 claims
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.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationFreedom, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allison Chadwick among 14,451 physician assistant records in California
Allison Chadwick, PA-C 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 2015, is newer than 41% of them.
- NPI issued2015 · 41% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2015 · median 2018 among the 7,214 with a school on file
- Record last updated2019 · 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).
94 physician assistant records list a practice address in Santa Cruz
They are 94 of the 5,138 NPPES records with a practice address in Santa Cruz, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Santa Cruz → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Monica Ball, PA-CSanta Cruz, CA 950621205977790
- Christina Brady, PASanta Cruz, CA 950621528246907
- Steven BregmanSanta Cruz, CA 950621396716783
- Andrew Colen, PASanta Cruz, CA 950621568432482
- Scott Failor, PASanta Cruz, CA 950621083787022
- Maria Fuchs, PASanta Cruz, CA 950621134465933
- Nicole Graham, PASanta Cruz, CA 950621538130638
- Diane Hull, P.A.Santa Cruz, CA 950621184810988
Common questions
What is Allison Chadwick, PA-C's NPI number?
Allison Chadwick, PA-C's National Provider Identifier (NPI) is 1689048019, issued on Nov 23, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Allison Chadwick, PA-C located?
The NPPES record lists a practice address at 2025 Soquel Ave, Santa Cruz, CA, 95062. Phone: (831) 458-5537. Providers update this record themselves, so call before visiting.
How can I verify Allison Chadwick, PA-C's license?
NPPES lists California license number 52991, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Allison Chadwick, PA-C prescribe under Medicare Part D?
In 2024, Allison Chadwick, PA-C had 337 Medicare Part D claims for 238 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.