Philip Z. Wirganowicz, MD
Orthopaedic Surgery Physician · Oakland, CA
Philip Z. Wirganowicz, MD is an orthopaedic surgery physician with a practice address in Oakland, California, and NPI 1972681773, issued on Nov 1, 2006. Check the license (California G73671, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Philip Z. Wirganowicz
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- G73671 CA
Self-reported in NPPES; status is on the state search - Practice location
- 275 W Macarthur Blvd, Oakland, CA 94611
- Phone
- (510) 752-1000
- Enumerated
- Nov 1, 2006
- Record last updated
- Feb 4, 2022
- Medicaid ID
- 00G736710 CA
- Medicare enrollment
- Enrolled (PECOS I20130830000043); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 275 W Macarthur Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Aaronson, MDUrology Physician1215053129
- Paul-Andre Abboud, M.D.Emergency Medicine Physician1710065503
- Brittany Abeldt, MDPsychiatry Physician1982353884
- Bilal Abu-Alrub, DOStudent in an Organized Health Care Education/Training Program1609760768
- Walter Acuna, MDInternal Medicine Physician1972655108
- Brett Adams, MDStudent in an Organized Health Care Education/Training Program1841731098
Verify Philip Z. Wirganowicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G73671Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
260 Medicare Part D claims for 126 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 145 claims were for opioids.
Most prescribed
- Oxycodone Hcl97 claims
- Meloxicam45 claims
- Hydrocodone-Acetaminophen25 claims
- Gabapentin22 claims
- Tramadol Hcl16 claims
- Cefadroxil12 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
- Kaiser Foundation Health Plan OF The NorthwestClackamas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Philip Z. Wirganowicz among 2,276 orthopaedic surgery physician records in California
Philip Z. Wirganowicz, MD is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1990 · median 2003 among the 1,347 with a school on file
- Record last updated2022 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Oakland → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Thomas Barber, MDOakland, CA 946111760560569
- Stefano Bini, MDOakland, CA 946111619055415
- Robert Burri, MDOakland, CA 946111861570467
- John Cummins, MDOakland, CA 946111558449322
- Eric Eisemon, MDOakland, CA 946111093988974
- Joshua Hatch, MDOakland, CA 946111881772689
- Robert Hoffman, MDOakland, CA 946111699854398
- Todd Lincoln, MDOakland, CA 946111245318021
Common questions
What is Philip Z. Wirganowicz, MD's NPI number?
Philip Z. Wirganowicz, MD's National Provider Identifier (NPI) is 1972681773, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Philip Z. Wirganowicz, MD located?
The NPPES record lists a practice address at 275 W Macarthur Blvd, Oakland, CA, 94611. Phone: (510) 752-1000. Providers update this record themselves, so call before visiting.
How can I verify Philip Z. Wirganowicz, MD's license?
NPPES lists California license number G73671, 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 Philip Z. Wirganowicz, MD prescribe under Medicare Part D?
In 2024, Philip Z. Wirganowicz, MD had 260 Medicare Part D claims for 126 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.