Sandra Ileana Diaz O'Donnell, PA-C
Physician Assistant · Pasadena, CA
Sandra Ileana Diaz O'Donnell, PA-C is a physician assistant with a practice address in Pasadena, California, and NPI 1548223266, issued on Apr 11, 2006. Check the license (California PA13219, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sandra Ileana Diaz O'Donnell
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA13219 CA
Self-reported in NPPES; status is on the state search - Practice location
- 401 S Fair Oaks Ave, Pasadena, CA 91105
- Phone
- (626) 795-2244
- Enumerated
- Apr 11, 2006
- Record last updated
- Aug 19, 2022
- Fax
- (626) 795-7441
- Medicare enrollment
- Enrolled (PECOS I20040729000869); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 401 S Fair Oaks Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Ballard, M.D.Emergency Medicine Physician1710090816
- Randy Debber, PA-CMedical Physician Assistant1679627103
- Mark Hoffman, M.D.Internal Medicine Physician1902860109
- Precioustoni JacksonClinical Social Worker1790250116
- Lu Jiao, MDInternal Medicine Physician1023162187
- Phillip Lee, M.D.Dermatology Physician1578628731
Verify Sandra Ileana Diaz O'Donnell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA13219Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average physician assistant in 2024
689 Medicare Part D claims for 212 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Ketoconazole134 claims
- Triamcinolone Acetonide81 claims
- Mometasone Furoate80 claims
- Clobetasol Propionate46 claims
- Doxycycline Hyclate42 claims
- Mupirocin42 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: $1,532.87
42 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
- Csi Medical GroupArcadia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sandra Ileana Diaz O'Donnell among 14,451 physician assistant records in California
Sandra Ileana Diaz O'Donnell, 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1993 · 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).
88 physician assistant records list a practice address in Pasadena
They are 88 of the 10,525 NPPES records with a practice address in Pasadena, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Pasadena → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Julie Cann, PA-CPasadena, CA 911051972734929
- Angela Capellupo, PA-CPasadena, CA 911051952621765
- Karmen Javanizadeh, PAPasadena, CA 911051255403770
- Lee Kirby, P.A.Pasadena, CA 911051801901830
- Adelyne Lam, PA-CPasadena, CA 911051215054374
- Vangie Luong, PA-CPasadena, CA 911051659642502
- Pensiri SahatrungsineePasadena, CA 911051093967747
- Krista Smith, PAPasadena, CA 911051942274220
Common questions
What is Sandra Ileana Diaz O'Donnell, PA-C's NPI number?
Sandra Ileana Diaz O'Donnell, PA-C's National Provider Identifier (NPI) is 1548223266, issued on Apr 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sandra Ileana Diaz O'Donnell, PA-C located?
The NPPES record lists a practice address at 401 S Fair Oaks Ave, Pasadena, CA, 91105. Phone: (626) 795-2244. Providers update this record themselves, so call before visiting.
How can I verify Sandra Ileana Diaz O'Donnell, PA-C's license?
NPPES lists California license number PA13219, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sandra Ileana Diaz O'Donnell, PA-C prescribe under Medicare Part D?
In 2024, Sandra Ileana Diaz O'Donnell, PA-C had 689 Medicare Part D claims for 212 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.