William D. Petras, D.O.
Family Medicine Physician · Rancho Mirage, CA
William D. Petras, D.O. is a family medicine physician with a practice address in Rancho Mirage, California, and NPI 1396758306, issued on Aug 14, 2006. Check the license (California 20A8158, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William D. Petras
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A8158 CA
Self-reported in NPPES; status is on the state search - Practice location
- 72780 Country Club Dr, Rancho Mirage, CA 92270
- Phone
- (760) 674-3847
- Enumerated
- Aug 14, 2006
- Record last updated
- Feb 29, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (760) 674-3845
- Medicaid ID
- 00AX81580 CA
- Medicare enrollment
- Enrolled (PECOS I20101201000452); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1999
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 72780 Country Club Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Arendt, MDFamily Medicine Physician1811937824
- Rushabh Bhakta, M. PHARMPharmacist1841451820
- Beverly Blessing, FNP, PHDFamily Nurse Practitioner1982770442
- Krista Burris, MDInternal Medicine Physician1992836290
- Christopher Faux, MDFamily Medicine Physician1831277433
- Terry Flanigan, NPNurse Practitioner1790011849
Verify William D. Petras in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A8158Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family medicine physician in 2024
697 Medicare Part D claims for 527 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 15 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass73 claims
- Azithromycin71 claims
- Fluticasone Propionate67 claims
- Doxycycline Hyclate66 claims
- Nitrofurantoin Mono-Macro51 claims
- Ofloxacin42 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Eisenhower Medical CenterRancho Mirage, CA · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
William D. Petras among 17,133 family medicine physician records in California
William D. Petras, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% 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, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1999 · median 2005 among the 10,652 with a school on file
- Record last updated2016 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
53 family medicine physician records list a practice address in Rancho Mirage
They are 53 of the 1,600 NPPES records with a practice address in Rancho Mirage, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Rancho Mirage → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Dan Andrus, MDRancho Mirage, CA 922701689624652
- Steven Arendt, MDRancho Mirage, CA 922701811937824
- Arvinder Bir, M.D.Rancho Mirage, CA 922701487629564
- Christopher Flores, M.D.Rancho Mirage, CA 922701154359271
- Mark Freitag, M.D.Rancho Mirage, CA 922701619974409
- V Douglas Jodoin, MDRancho Mirage, CA 922701225016074
- Soujanya Marupuru, MDRancho Mirage, CA 922701740256460
- Denny Mauricio, M.D.Rancho Mirage, CA 922701912931692
Common questions
What is William D. Petras, D.O.'s NPI number?
William D. Petras, D.O.'s National Provider Identifier (NPI) is 1396758306, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William D. Petras, D.O. located?
The NPPES record lists a practice address at 72780 Country Club Dr, Rancho Mirage, CA, 92270. Phone: (760) 674-3847. Providers update this record themselves, so call before visiting.
How can I verify William D. Petras, D.O.'s license?
NPPES lists California license number 20A8158, 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 William D. Petras, D.O. prescribe under Medicare Part D?
In 2024, William D. Petras, D.O. had 697 Medicare Part D claims for 527 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is William D. Petras, D.O.'s MIPS final score?
The 2023 MIPS final score is 84.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.