Donna E. Dudziak, M.D.
Surgery Physician · Upland, CA
Donna E. Dudziak, M.D. is a surgery physician with a practice address in Upland, California, and NPI 1275630568, issued on Sep 20, 2006. Check the license (California A87866, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Donna E. Dudziak
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- A87866 CA
Self-reported in NPPES; status is on the state search - Practice location
- 901 San Bernardino RD, Upland, CA 91786
- Phone
- (909) 946-6221
- Enumerated
- Sep 20, 2006
- Record last updated
- May 24, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (909) 949-3802
- Medicare enrollment
- Enrolled (PECOS I20080514000914); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1998
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 901 San Bernardino RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carey Bledsoe, DPMFoot & Ankle Surgery Podiatrist1558352971
- Wallace Gosney, M.D.Specialist1417915778
- Hossein Shayan, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1518270271
- Nan Wang, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1023040839
Verify Donna E. Dudziak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A87866Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average surgery physician in 2024
360 Medicare Part D claims for 166 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 156 claims were for opioids.
Most prescribed
- Ibuprofen149 claims
- Hydrocodone-Acetaminophen136 claims
- Cephalexin15 claims
- Oxycodone-Acetaminophen12 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
- Wallace G Gosney MD And Gilbert R Turner MD PtrsUpland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donna E. Dudziak among 3,118 surgery physician records in California
Donna E. Dudziak, M.D. is one of 3,118 surgery physician 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 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1998 · median 2003 among the 1,901 with a school on file
- Record last updated2016 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Upland → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Donald Alpiner, DOUpland, CA 917861811086952
- Kenneth Baik, MDUpland, CA 917861689651135
- Bryce Beseth, M.D.Upland, CA 917861811929243
- Irene Houari, MDUpland, CA 917861104060466
- Nabil Koudsi, MDUpland, CA 917861750411070
- Stanley Saul, D.O.Upland, CA 917861255366936
- Adam Sugihara, M.D.Upland, CA 917861316172836
- Louis Watson, MDUpland, CA 917861730280827
Common questions
What is Donna E. Dudziak, M.D.'s NPI number?
Donna E. Dudziak, M.D.'s National Provider Identifier (NPI) is 1275630568, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donna E. Dudziak, M.D. located?
The NPPES record lists a practice address at 901 San Bernardino RD, Upland, CA, 91786. Phone: (909) 946-6221. Providers update this record themselves, so call before visiting.
How can I verify Donna E. Dudziak, M.D.'s license?
NPPES lists California license number A87866, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Donna E. Dudziak, M.D. prescribe under Medicare Part D?
In 2024, Donna E. Dudziak, M.D. had 360 Medicare Part D claims for 166 beneficiaries; the average among surgery physician prescribers was 147. 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.