Dr. John H. Wilmas Jr., MD

  • Saint Louis, MO
  • Emergency medicine physician
NPI1952406142PAC ID0143273938
Medicare services, 2024
118
Medicare patients, 2024
133
Part D claims, 2024
119
Publications
1
Hospital affiliations
2
Practice address
615 New Ballas Road, Saint Louis, MO 63141
Practice phone
Call (314) 251-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Hospital St. Louis

Hospital · Saint Louis, Missouri

See all 7 affiliations

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Dr. John H. Wilmas Jr. is an emergency medicine physician in Saint Louis, Missouri

Dr. Wilmas practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.

Dr. Wilmas' NPI, 1952406142, was assigned on September 13, 2006. Dr. Wilmas graduated from Saint Louis University School of Medicine in 1996. Dr. Wilmas holds Missouri license 2003003353.

NPI and contact details
Medicare PAC ID
0143273938
NPI enumeration date
September 13, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(314) 251-6000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John H. Wilmas Jr. practices at Mercy Hospital St. Louis in Saint Louis, Missouri

Dr. Wilmas' primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.

Source: Dmand AI Affiliation Data

Dr. John H. Wilmas Jr. is affiliated with 2 sites of care and 5 medical groups

Dr. Wilmas' primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dr. Wilmas is also affiliated with Mercy Hospital Lincoln. The medical group on file is Mercy Hospital St. Louis. Dmand AI also links Dr. Wilmas to 4 more medical groups, each named with a free account. Dr. Wilmas' employer is on file too: a hospital.

See all 7 affiliations for Dr. Wilmas

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John H. Wilmas Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wilmas practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mercy Hospital St. LouisAvailable with a free account
+1 more site and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John H. Wilmas Jr. is one of 1,063 emergency medicine physicians in Missouri

Emergency medicine is Dr. Wilmas' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Wilmas is licensed in Missouri.

Specialties and state licenses

  • Emergency medicine, MissouriPrimaryLicense 2003003353 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Wilmas

Counts of emergency medicine 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

Dr. John H. Wilmas Jr. billed Medicare for 118 services in 2024

CMS data shows 118 Medicare services from Dr. Wilmas across 2 procedure codes in 2024, for 133 Medicare patients. Medicare paid $13,063 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024118
Medicare patients133
Paid by Medicare$13,063
Procedure codes2

Dr. Wilmas' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 922024: 11828%

Dr. Wilmas compared with the Missouri median for emergency medicine physicians, 2024

  • Dr. Wilmas
  • Missouri median
Medicare services
118vs 25253% below
Medicare patients
133vs 26249% below
Part D claims
35vs 6949% below

Medians across 1,092 emergency medicine physicians in Missouri with Dmand AI profiles that report each measure.

Dr. Wilmas' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Wilmas

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John H. Wilmas Jr. treated 133 Medicare patients in 2024, average age 74

CMS counts 133 Medicare patients who saw Dr. Wilmas in 2024. The largest group is 75 to 84, with 43 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.05, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Wilmas' median patient age at 59, with 61% women.

Medicare patients, 2024133
Average age74
Average risk score2.05
Also on Medicaid21%

Dr. Wilmas' Medicare patients by age, 2024

Dr. Wilmas' Medicare patients by sex, 2024

  • Women7456%
  • Men5944%

Chronic conditions among Dr. Wilmas' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. Anxiety47%
  5. Chronic kidney disease47%
  6. Mood disorders47%
  7. Depression44%
  8. Ischemic heart disease44%

Share of Medicare patients with each condition. A patient can have several.

Dr. Wilmas' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women61%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. John H. Wilmas Jr. wrote 119 Medicare Part D claims in 2024

In 2024, Dr. Wilmas wrote 119 Medicare Part D claims for 82 patients. 97% of them were for generic drugs. CMS names the drug for 35 of them, across 2 drugs with 11 or more claims each, at $143 in total drug cost. In 2023, CMS named 18 claims across 1 drug.

Part D claims, 2024119
Drugs named by CMS2
Total drug cost$143
Part D patients82

Dr. Wilmas' Part D claims by kind of drug, 2024

  • Generic116 claims97%
  • Brand-name and other3 claims3%

Dr. Wilmas' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Wilmas' Part D claims, 2024

  • Opioids24%28 of 119 claims
  • Antibiotics25%30 of 119 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 182024: 3594%

Drugs named by CMS: 2 in 2024, 1 in 2023.

See all prescribing by Dr. Wilmas

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. John H. Wilmas Jr. takes part in Medicare

Dr. Wilmas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. John H. Wilmas Jr. has 1 publication on record

Dmand AI links 1 paper to Dr. Wilmas in 2022.

Papers1

Recent publications by Dr. Wilmas

See all 1 publications and co-authors

See who Dr. Wilmas researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wilmas works with, so you can find a warm path to the right emergency medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. John H. Wilmas Jr. received $1,272 in industry payments from 2016 to 2025

CMS Open Payments shows 17 general payments to Dr. Wilmas from 9 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 82% of the total. Advanced Circulatory Systems Inc. paid the most, $764.

General payments to Dr. Wilmas by program year, 2016 to 2025

General payments to Dr. Wilmas by kind, 2016 to 2025

$1.3Kin total
  • Food and beverage$1,04982%
  • Travel and lodging$22318%

Companies that paid Dr. Wilmas the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Wilmas

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John H. Wilmas Jr. graduated from Saint Louis University School of Medicine

Dr. Wilmas graduated from Saint Louis University School of Medicine in 1996.

  1. Medical schoolSaint Louis University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John H. Wilmas Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John H. Wilmas Jr.

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. John H. Wilmas Jr.'s NPI number?

Dr. John H. Wilmas Jr.'s NPI number is 1952406142. It was assigned on September 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John H. Wilmas Jr.?

Dr. John H. Wilmas Jr. is an emergency medicine physician in Saint Louis, Missouri. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. John H. Wilmas Jr. practice?

Dr. Wilmas practices at 615 New Ballas Road, Saint Louis, MO 63141. Dr. Wilmas' primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dmand AI also links Dr. Wilmas to 4 medical groups.

What is Dr. John H. Wilmas Jr.'s office phone number?

The practice phone on file for Dr. Wilmas is (314) 251-6000.

What is Dr. John H. Wilmas Jr.'s medical license number?

Dr. Wilmas holds Missouri license 2003003353.

Which hospitals is Dr. John H. Wilmas Jr. affiliated with?

Dr. Wilmas practices at Mercy Hospital St. Louis in Saint Louis, Missouri. Dr. Wilmas is also affiliated with Mercy Hospital Lincoln.

What medical group is Dr. John H. Wilmas Jr. part of?

Dr. Wilmas is linked to Mercy Hospital St. Louis. Dmand AI links Dr. Wilmas to 4 more medical groups.

Does Dr. John H. Wilmas Jr. accept Medicare?

Yes. CMS data shows Dr. Wilmas billed Medicare for 118 services in 2024, and Dr. Wilmas accepts Medicare assignment.

How many Medicare patients does Dr. John H. Wilmas Jr. see?

CMS counts 133 Medicare patients who saw Dr. Wilmas in 2024, with an average age of 74.

What services does Dr. John H. Wilmas Jr. bill to Medicare?

In 2024, Dr. Wilmas' most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).

Show 5 more questionsShow fewer questions

Where did Dr. John H. Wilmas Jr. go to medical school?

Dr. Wilmas graduated from Saint Louis University School of Medicine in 1996.

What drugs does Dr. John H. Wilmas Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Wilmas' most prescribed drugs by claims were Hydrocodone-Acetaminophen and Prednisone.

Has Dr. John H. Wilmas Jr. received payments from drug or device companies?

CMS Open Payments shows $1,272 in general payments to Dr. Wilmas from 9 companies from 2016 to 2025. The largest total came from Advanced Circulatory Systems Inc.

How long has Dr. John H. Wilmas Jr. been practicing?

Dr. Wilmas graduated from medical school in 1996, 30 years ago.

Does Dr. John H. Wilmas Jr. do research?

Dmand AI links 1 publication to Dr. Wilmas.

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