Chiara Castelli, PA-C
Physician Assistant · Monterey, CA
Chiara Castelli, PA-C is a physician assistant with a practice address in Monterey, California, and NPI 1538546981, issued on May 5, 2015. Check the license (California 52462, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chiara Castelli
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 52462 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10 Harris CT Ste A2, Monterey, CA 93940
- Phone
- (831) 585-9608
- Enumerated
- May 5, 2015
- Record last updated
- Feb 17, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20250317000269); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 10 Harris CT Ste A2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lalita Kirkman, L.ACAcupuncturist1982116026
Verify Chiara Castelli in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 52462Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average physician assistant in 2024
595 Medicare Part D claims for 319 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Doxycycline Monohydrate57 claims
- Cephalexin48 claims
- Prednisone40 claims
- Meloxicam30 claims
- Azithromycin24 claims
- Amoxicillin23 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
- Hawaii Permanente Medical Group IncHilo, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chiara Castelli among 14,451 physician assistant records in California
Chiara Castelli, 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 updated2017 · 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).
45 physician assistant records list a practice address in Monterey
They are 45 of the 1,945 NPPES records with a practice address in Monterey, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Monterey → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Christina Adibe, P.A.Monterey, CA 939401992137970
- Lalia Barnes, PA-CMonterey, CA 939401578904439
- Hope Beverly, PA-CMonterey, CA 939401710281704
- Kristin Blakely, PA-CMonterey, CA 939401154752558
- Kelly Brenner, PA-CMonterey, CA 939401790019040
- William Coggin, PA-CMonterey, CA 939401265473128
- Connor Cole, PA-CMonterey, CA 939401841687274
- Brandi Curioz, PA-C, ATCMonterey, CA 939401003208067
Common questions
What is Chiara Castelli, PA-C's NPI number?
Chiara Castelli, PA-C's National Provider Identifier (NPI) is 1538546981, issued on May 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Chiara Castelli, PA-C located?
The NPPES record lists a practice address at 10 Harris CT Ste A2, Monterey, CA, 93940. Phone: (831) 585-9608. Providers update this record themselves, so call before visiting.
How can I verify Chiara Castelli, PA-C's license?
NPPES lists California license number 52462, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Chiara Castelli, PA-C prescribe under Medicare Part D?
In 2024, Chiara Castelli, PA-C had 595 Medicare Part D claims for 319 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.