Kristin Siu, PA-C
Physician Assistant · Folsom, CA
Kristin Siu, PA-C is a physician assistant with a practice address in Folsom, California, and NPI 1841961414, issued on Sep 23, 2021. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kristin Siu
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 2220 E Bidwell St, Folsom, CA 95630
- Phone
- (916) 800-4685
- Enumerated
- Sep 23, 2021
- Record last updated
- Jun 9, 2023
- Medicare enrollment
- Enrolled (PECOS I20220210001723); 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 2220 E Bidwell St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Blackburn, D.O.Orthopaedic Surgery Physician1851687297
- David Kaufman, M.D.Plastic Surgery Physician1841214186
Verify Kristin Siu 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
40% fewer Medicare Part D claims than the average physician assistant in 2024
496 Medicare Part D claims for 125 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 391 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen179 claims
- Oxycodone-Acetaminophen143 claims
- Morphine Sulfate Er34 claims
- Hydromorphone Hcl23 claims
- Diazepam20 claims
- Cyclobenzaprine Hcl15 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: $108.62
6 payments; by number, the most common kind was food and beverage; the largest payer was Amgen 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 2 group practices
- Regents OF The Univ OF CASacramento, CA
- Travis Loidolt DO IncFolsom, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristin Siu among 14,451 physician assistant records in California
Kristin Siu, 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 2021, is newer than 67% of them.
- NPI issued2021 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2021 · median 2018 among the 7,214 with a school on file
- Record last updated2023 · 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).
43 physician assistant records list a practice address in Folsom
They are 43 of the 1,811 NPPES records with a practice address in Folsom, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Folsom → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Audrey Archila, PA-CFolsom, CA 956301093021008
- Diane Asmuth, PA-CFolsom, CA 956301528335486
- Kelli Carver, PA-CFolsom, CA 956301245558923
- Danielle Delvo, PAFolsom, CA 956301578603460
- Michael Dennis, PA-CFolsom, CA 956301356505820
- Anastasia Dertlieva-Popova, PAFolsom, CA 956301891003943
- Felix Emond, P.A.Folsom, CA 956301720048903
- Emmanuel Jonson, P.A.-CFolsom, CA 956301386898591
Common questions
What is Kristin Siu, PA-C's NPI number?
Kristin Siu, PA-C's National Provider Identifier (NPI) is 1841961414, issued on Sep 23, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Kristin Siu, PA-C located?
The NPPES record lists a practice address at 2220 E Bidwell St, Folsom, CA, 95630. Phone: (916) 800-4685. Providers update this record themselves, so call before visiting.
How can I verify Kristin Siu, PA-C's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Kristin Siu, PA-C prescribe under Medicare Part D?
In 2024, Kristin Siu, PA-C had 496 Medicare Part D claims for 125 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.