Ronald Thomas Kaufmann, PAC
Physician Assistant · Hawthorne, CA
Ronald Thomas Kaufmann, PAC is a physician assistant with a practice address in Hawthorne, California, and NPI 1558542449, issued on Nov 19, 2007. Check the license (California 19431, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ronald Thomas Kaufmann
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 19431 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4477 W 118TH St, Hawthorne, CA 90250
- Phone
- (310) 644-9515
- Enumerated
- Nov 19, 2007
- Record last updated
- Nov 19, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 644-3629
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 4477 W 118TH St
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Verify Ronald Thomas Kaufmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 19431Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average physician assistant in 2024
679 Medicare Part D claims for 261 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Pantoprazole Sodium44 claims
- Amoxicillin-Clavulanate Potass42 claims
- Carvedilol34 claims
- Amlodipine Besylate31 claims
- Levofloxacin25 claims
- Eliquis24 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.
Ronald Thomas Kaufmann among 14,451 physician assistant records in California
Ronald Thomas Kaufmann, PAC 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 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 78% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2007 · 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).
23 physician assistant records list a practice address in Hawthorne
They are 23 of the 818 NPPES records with a practice address in Hawthorne, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Hawthorne → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Katherine Brechtelsbauer, PA-CHawthorne, CA 902501821325515
- Aaron Clothier, P.A.Hawthorne, CA 902501760767149
- Rajender Dabas, P.A.-CHawthorne, CA 902501891949681
- Ashley Daniels, PA-C, MPHHawthorne, CA 902501861802571
- Michaelen Diiorio, P.A.Hawthorne, CA 902501144499534
- Carrie Hawkins, P.A.Hawthorne, CA 902501932234374
- Trenton Honda, PA-CHawthorne, CA 902501710212519
- Laura Lopez, MMS, PA-CHawthorne, CA 902501952705964
Common questions
What is Ronald Thomas Kaufmann, PAC's NPI number?
Ronald Thomas Kaufmann, PAC's National Provider Identifier (NPI) is 1558542449, issued on Nov 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Thomas Kaufmann, PAC located?
The NPPES record lists a practice address at 4477 W 118TH St, Hawthorne, CA, 90250. Phone: (310) 644-9515. Providers update this record themselves, so call before visiting.
How can I verify Ronald Thomas Kaufmann, PAC's license?
NPPES lists California license number 19431, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ronald Thomas Kaufmann, PAC prescribe under Medicare Part D?
In 2024, Ronald Thomas Kaufmann, PAC had 679 Medicare Part D claims for 261 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.