William Retz
- Part D claims, 2024
- 34
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 300 1st Capitol Dr, Saint Charles, MO 63301
- Practice phone
- Call (636) 947-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find William Retz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
William Retz is a trauma surgery physician in Saint Charles, Missouri
William Retz practices at SSM Health St. Joseph Hospital - St. Charles in Saint Charles, Missouri, part of SSM Health Care.
William Retz's NPI, 1427685080, was assigned on March 24, 2020. William Retz holds Oregon license MD229478.
- NPI
- 1427685080NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406314707
- NPI enumeration date
- March 24, 2020
- NPI status
- Active
- Practice phone
- (636) 947-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
William Retz practices at SSM Health St. Joseph Hospital - St. Charles in Saint Charles, Missouri
William Retz's primary practice is SSM Health St. Joseph Hospital - St. Charles, at 300 1st Capitol Dr, Saint Charles, MO 63301 in St. Charles County. The practice phone is (636) 947-5000.
- SSM Health St. Joseph Hospital - St. Charles300 1st Capitol Dr, Saint Charles, MO 63301 · St. Charles CountyPhone(636) 947-5000
Source: Dmand AI Affiliation Data
William Retz is affiliated with 1 site of care
William Retz's primary practice is SSM Health St. Joseph Hospital - St. Charles in Saint Charles, Missouri, part of SSM Health Care.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Retz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Retz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health St. Joseph Hospital - St. Charles | Available with a free account |
Source: Dmand AI Technology Install Data
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William Retz is one of 28 trauma surgery physicians in Missouri
Trauma surgery is William Retz's primary specialty in the NPI Registry, under taxonomy code 2086S0127X. William Retz is licensed in Oregon.
Specialties and state licenses
- Trauma surgery, OregonPrimary
Trauma surgery physicians near William Retz
Counts of trauma surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
William Retz's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts William Retz's median patient age at 53, with 54% women.
William Retz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
William Retz wrote 34 Medicare Part D claims in 2024
In 2024, William Retz wrote 34 Medicare Part D claims for 27 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in William Retz's Part D claims, 2024
- Opioids56%19 of 34 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for William Retz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about William Retz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William Retz's NPI number?
William Retz's NPI number is 1427685080. It was assigned on March 24, 2020, and it is active in the NPI Registry.
What does William Retz specialize in?
William Retz is a trauma surgery physician in Saint Charles, Missouri. The primary specialty in the NPI Registry is Trauma Surgery Physician (taxonomy code 2086S0127X).
Where does William Retz practice?
William Retz practices at 300 1st Capitol Dr, Saint Charles, MO 63301. William Retz's primary practice is SSM Health St. Joseph Hospital - St. Charles in Saint Charles, Missouri, part of SSM Health Care.
What is William Retz's office phone number?
The practice phone on file for William Retz is (636) 947-5000.
What is William Retz's medical license number?
William Retz holds Oregon license MD229478, one of 2 state licenses on file.
Which hospitals is William Retz affiliated with?
William Retz practices at SSM Health St. Joseph Hospital - St. Charles in Saint Charles, Missouri.
How long has William Retz been practicing?
William Retz's NPI was assigned in 2020.
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