Caitlin Matsumoto, PA-C
Medical Physician Assistant · Upland, CA
Caitlin Matsumoto, PA-C is a medical physician assistant with a practice address in Upland, California, and NPI 1295104602, issued on Sep 16, 2015. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Caitlin Matsumoto
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- Practice location
- 299 W Foothill Blvd Ste 209, Upland, CA 91786
- Phone
- (909) 982-4000
- Enumerated
- Sep 16, 2015
- Record last updated
- Sep 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180228002944); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 299 W Foothill Blvd Ste 209
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mary Strubhar-Brown, RN, MSN, FNPFamily Nurse Practitioner1700981867
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Verify Caitlin Matsumoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average medical physician assistant in 2024
917 Medicare Part D claims for 152 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims. 93 claims were for opioids.
Most prescribed
- Anastrozole91 claims
- Hydroxyurea75 claims
- Letrozole54 claims
- Ondansetron Hcl50 claims
- Procrit43 claims
- Xarelto42 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.
Industry payments in 2024: $3,044.93
111 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,165 providers of this specialty with any payment received $1,055.00 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
- Sierra Hematology And Oncology Medical CentersSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Caitlin Matsumoto among 3,376 medical physician assistant records in California
Caitlin Matsumoto, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% 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 62% of them.
- NPI issued2015 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2015 · median 2012 among the 1,347 with a school on file
- Record last updated2015 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Upland → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Ashley AyestasUpland, CA 917861346104809
- Charles Henderson, PA-CUpland, CA 917861700665536
- Angie LingUpland, CA 917861922643931
- Kristin Mickelson, PA-CUpland, CA 917861982072682
- Daicy Navarro, PA-CUpland, CA 917861588974661
- Steven Sanders, PA-CUpland, CA 917861346556263
- Michael Yeh, PA-CUpland, CA 917861902378979
- Lynne Drewes, PAUpland, CA 917841811109168
Common questions
What is Caitlin Matsumoto, PA-C's NPI number?
Caitlin Matsumoto, PA-C's National Provider Identifier (NPI) is 1295104602, issued on Sep 16, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Caitlin Matsumoto, PA-C located?
The NPPES record lists a practice address at 299 W Foothill Blvd Ste 209, Upland, CA, 91786. Phone: (909) 982-4000. Providers update this record themselves, so call before visiting.
How can I verify Caitlin Matsumoto, PA-C's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Caitlin Matsumoto, PA-C prescribe under Medicare Part D?
In 2024, Caitlin Matsumoto, PA-C had 917 Medicare Part D claims for 152 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.