Debra Lauren Diaz, PA-C
Physician Assistant · Stanford, CA
Debra Lauren Diaz, PA-C is a physician assistant with a practice address in Stanford, California, and NPI 1417362096, issued on Jun 23, 2014. Check the license (California 54422, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Debra Lauren Diaz
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 54422 CA
PA189344 OR
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr RM HC 133, Stanford, CA 94305
- Phone
- (650) 725-5078
- Enumerated
- Jun 23, 2014
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20200409003110); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Debra Lauren Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 54422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average physician assistant in 2024
161 Medicare Part D claims for 41 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of 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.
Bills Medicare through one group practice
- Oregon Health And Science UniversityPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Debra Lauren Diaz among 14,451 physician assistant records in California
Debra Lauren Diaz, 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 2014, is newer than 38% of them.
- NPI issued2014 · 38% of these records are older, 59% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2014 · median 2018 among the 7,214 with a school on file
- Record last updated2022 · 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).
480 physician assistant records list a practice address in Stanford
They are 480 of the 5,606 NPPES records with a practice address in Stanford, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Stanford → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jaclyn Bilello, PA-CStanford, CA 943051285695445
- Deanna Cully, PA-CStanford, CA 943051912967779
- Deborah Espinoza, PA-CStanford, CA 943051558361733
- Lorin Ferguson, PA-CStanford, CA 943051912972340
- John Laurence, PA-CStanford, CA 943051568445070
- David Miller, PA-CStanford, CA 943051538140413
- Irina Penev, PA-CStanford, CA 943051851361646
- Pamela Piacente-Rhodes, PA-CStanford, CA 943051598735227
Common questions
What is Debra Lauren Diaz, PA-C's NPI number?
Debra Lauren Diaz, PA-C's National Provider Identifier (NPI) is 1417362096, issued on Jun 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Debra Lauren Diaz, PA-C located?
The NPPES record lists a practice address at 300 Pasteur Dr RM HC 133, Stanford, CA, 94305. Phone: (650) 725-5078. Providers update this record themselves, so call before visiting.
How can I verify Debra Lauren Diaz, PA-C's license?
NPPES lists California license number 54422, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Debra Lauren Diaz, PA-C prescribe under Medicare Part D?
In 2024, Debra Lauren Diaz, PA-C had 161 Medicare Part D claims for 41 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.