Tiffany Kupfer
Physician Assistant · Glendora, CA
Tiffany Kupfer is a physician assistant with a practice address in Glendora, California, and NPI 1023614922, issued on Dec 7, 2020. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tiffany Kupfer
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1228 Glenview LN, Glendora, CA 91740
- Phone
- (626) 419-8336
- Enumerated
- Dec 7, 2020
- Record last updated
- Feb 1, 2024
- Medicare enrollment
- Enrolled (PECOS I20240219001100); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Tiffany Kupfer 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
56% fewer Medicare Part D claims than the average physician assistant in 2024
368 Medicare Part D claims for 161 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Ketoconazole96 claims
- Triamcinolone Acetonide51 claims
- Mupirocin28 claims
- Calcipotriene25 claims
- Doxycycline Hyclate20 claims
- Ciclopirox19 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: $803.99
32 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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 one group practice
- Ocean Skin And Vein InstituteManhattan Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tiffany Kupfer among 14,451 physician assistant records in California
Tiffany Kupfer 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 2020, is newer than 62% of them.
- NPI issued2020 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2020 · median 2018 among the 7,214 with a school on file
- Record last updated2024 · 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).
21 physician assistant records list a practice address in Glendora
They are 21 of the 921 NPPES records with a practice address in Glendora, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Glendora → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- David Abovian, PAGlendora, CA 917401326349960
- Gloria Chen, PA-CGlendora, CA 917401760704258
- Maggie ChenGlendora, CA 917401700476835
- Amanda Duncan, PA-CGlendora, CA 917401346672680
- Timothy Hong, PA-CGlendora, CA 917401710766621
- David Kim, PA-CGlendora, CA 917401922035948
- Ashlene Korcek, PA-CGlendora, CA 917401275886715
- Candace McFarlin, PA-CGlendora, CA 917401346635372
Common questions
What is Tiffany Kupfer's NPI number?
Tiffany Kupfer's National Provider Identifier (NPI) is 1023614922, issued on Dec 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Kupfer located?
The NPPES record lists a practice address at 1228 Glenview LN, Glendora, CA, 91740. Phone: (626) 419-8336. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Kupfer's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tiffany Kupfer prescribe under Medicare Part D?
In 2024, Tiffany Kupfer had 368 Medicare Part D claims for 161 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.