William Zachary Petry, MD
Emergency Medicine Physician · Cape Girardeau, MO
William Zachary Petry, MD is an emergency medicine physician with a practice address in Cape Girardeau, Missouri, and NPI 1487031993, issued on May 4, 2015. Check the license (Missouri 2018013801, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- William Zachary Petry
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 2018013801 MO
2015017903 MO
Self-reported in NPPES; status is on the state search - Practice location
- 211 Saint Francis Dr, Cape Girardeau, MO 63703
- Phone
- (573) 331-5110
- Enumerated
- May 4, 2015
- Record last updated
- Mar 1, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (573) 335-4689
- Medicare enrollment
- Enrolled (PECOS I20180613002574); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,405 in Missouri → Look up another NPI →
Also registered at 211 Saint Francis Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Zachary Petry in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2018013801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% more Medicare Part D claims than the average emergency medicine physician in 2024
438 Medicare Part D claims for 303 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 145 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen98 claims
- Ondansetron Odt55 claims
- Cefuroxime30 claims
- Tramadol Hcl26 claims
- Levofloxacin21 claims
- Oxycodone-Acetaminophen19 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 MIPS final score for 2023 (Medicare payment program): 92.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
One hospital affiliation
- Saint Francis Medical CenterCape Girardeau, MO · Acute Care Hospitals3 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 Zachary Petry among 1,405 emergency medicine physician records in Missouri
William Zachary Petry, MD is one of 1,405 emergency medicine physician records with a practice address in Missouri. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 66% of them.
- NPI issued2015 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2015 · median 2012 among the 808 with a school on file
- Record last updated2021 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 emergency medicine physician records list a practice address in Cape Girardeau
They are 35 of the 1,897 NPPES records with a practice address in Cape Girardeau, and 1,405 emergency medicine physician records in Missouri.
All 1,405 in Missouri → Every provider in Cape Girardeau → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Chad Armstrong, DOCape Girardeau, MO 637031104056654
- Lauren Blackwelder, MDCape Girardeau, MO 637031194785394
- Anne Delonais-Turner, M.D.Cape Girardeau, MO 637031114062387
- Michael Hammond, MDCape Girardeau, MO 637031053371039
- Michael Killen, M.D.Cape Girardeau, MO 637031881739050
- Laura Marble, MDCape Girardeau, MO 637031386604361
- Pamela Miller, DOCape Girardeau, MO 637031902875701
- Sara Nowicki, D.O.Cape Girardeau, MO 637031679739866
Common questions
What is William Zachary Petry, MD's NPI number?
William Zachary Petry, MD's National Provider Identifier (NPI) is 1487031993, issued on May 4, 2015. An NPI identifies a provider in billing; it is not a license.
Where is William Zachary Petry, MD located?
The NPPES record lists a practice address at 211 Saint Francis Dr, Cape Girardeau, MO, 63703. Phone: (573) 331-5110. Providers update this record themselves, so call before visiting.
How can I verify William Zachary Petry, MD's license?
NPPES lists Missouri license number 2018013801, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Zachary Petry, MD prescribe under Medicare Part D?
In 2024, William Zachary Petry, MD had 438 Medicare Part D claims for 303 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is William Zachary Petry, MD's MIPS final score?
The 2023 MIPS final score is 92.6 of 100. 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.