Katherine Chinn
Physician Assistant · Redwood City, CA
Katherine Chinn is a physician assistant with a practice address in Redwood City, California, and NPI 1144965567, issued on Apr 29, 2022. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Chinn
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 2900 Whipple Ave Ste 205, Redwood City, CA 94062
- Phone
- (650) 363-5262
- Enumerated
- Apr 29, 2022
- Record last updated
- Oct 24, 2023
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 2900 Whipple Ave Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jose Aguilar Nieto, PA-CPhysician Assistant1043748288
- Marie GoldbergPhysician Assistant1164966842
- Jessica Ho, PA-CPhysician Assistant1538730429
Verify Katherine Chinn 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
71% fewer Medicare Part D claims than the average physician assistant in 2024
241 Medicare Part D claims for 88 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Spironolactone25 claims
- Dofetilide21 claims
- Furosemide21 claims
- Eliquis18 claims
- Metoprolol Succinate14 claims
- Sotalol12 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: $443.18
5 payments; by number, the most common kind was food and beverage; the largest payer was Impulse Dynamics (USA) 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.
Katherine Chinn among 14,451 physician assistant records in California
Katherine Chinn 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 2022, is newer than 73% of them.
- NPI issued2022 · 73% of these records are older, 20% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- 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).
38 physician assistant records list a practice address in Redwood City
They are 38 of the 2,795 NPPES records with a practice address in Redwood City, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Redwood City → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jose Aguilar Nieto, PA-CRedwood City, CA 940621043748288
- Matthew Dillon, P.A.Redwood City, CA 940621952349284
- Marie GoldbergRedwood City, CA 940621164966842
- Andres Hernandez, PA-CRedwood City, CA 940621609588847
- Jessica Ho, PA-CRedwood City, CA 940621538730429
- Jacqueline HunterRedwood City, CA 940621538629712
- Donald Kemp, PA-CRedwood City, CA 940621861676777
- Ellin Li, PA-CRedwood City, CA 940621861050692
Common questions
What is Katherine Chinn's NPI number?
Katherine Chinn's National Provider Identifier (NPI) is 1144965567, issued on Apr 29, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Chinn located?
The NPPES record lists a practice address at 2900 Whipple Ave Ste 205, Redwood City, CA, 94062. Phone: (650) 363-5262. Providers update this record themselves, so call before visiting.
How can I verify Katherine Chinn's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Chinn prescribe under Medicare Part D?
In 2024, Katherine Chinn had 241 Medicare Part D claims for 88 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.