Dr. Michael R. Ernst, MD
- Medicare services, 2024
- 406
- Medicare patients, 2024
- 282
- Part D claims, 2024
- 159
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 1105 Central Expressway North, Allen, TX 75013
- Practice phone
- Call (972) 747-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ernst'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.
Dr. Michael R. Ernst is an emergency medicine physician in Allen, Texas
Dr. Ernst practices at Texas Health Presbyterian Hospital Allen in Allen, Texas, part of Texas Health Resources.
Dr. Ernst's NPI, 1457730517, was assigned on May 22, 2015. Dr. Ernst graduated from College of Human Medicine - Grand Rapids in 2015. Dr. Ernst's Illinois license number on file is 125-066492.
- NPI
- 1457730517NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870896822
- NPI enumeration date
- May 22, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (972) 747-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael R. Ernst practices at Texas Health Presbyterian Hospital Allen in Allen, Texas
Dr. Ernst's primary practice is Texas Health Presbyterian Hospital Allen, at 1105 Central Expressway North, Allen, TX 75013 in Collin County. The practice phone is (972) 747-1000.
- Texas Health Presbyterian Hospital Allen1105 Central Expressway North, Allen, TX 75013 · Collin CountyPhone(972) 747-1000
Source: Dmand AI Affiliation Data
Dr. Michael R. Ernst is affiliated with 5 sites of care and 4 medical groups
Dr. Ernst's primary practice is Texas Health Presbyterian Hospital Allen in Allen, Texas, part of Texas Health Resources. The medical group on file is University of Texas Southwestern Medical Center. Dmand AI also links Dr. Ernst to 4 more group practices and clinics and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael R. Ernst's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ernst practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Texas Health Presbyterian Hospital Allen | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Texas Health Resources and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael R. Ernst is one of 4,831 emergency medicine physicians in Texas
Emergency medicine is Dr. Ernst's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ernst is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Ernst's licenses on file in 3 states: Illinois, Texas and Ohio.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
- Texas license
- Ohio license
Emergency medicine physicians near Dr. Ernst
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. Michael R. Ernst billed Medicare for 406 services in 2024
CMS data shows 406 Medicare services from Dr. Ernst across 3 procedure codes in 2024, for 282 Medicare patients. Medicare paid $33,644 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ernst's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2982024: 2922%
- Tests and treatments
- 2023: 892024: 11428%
Dr. Ernst compared with the Texas median for emergency medicine physicians, 2024
- Dr. Ernst
- Texas median
- Medicare services
- 406vs 22580% above
- Medicare patients
- 282vs 20637% above
- Part D claims
- 82vs 7411% above
Medians across 4,588 emergency medicine physicians in Texas with Dmand AI profiles that report each measure.
Dr. Ernst's 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.
Need commercial claims for Dr. Ernst?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ernst and other emergency medicine physicians in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael R. Ernst treated 282 Medicare patients in 2024, average age 76
CMS counts 282 Medicare patients who saw Dr. Ernst in 2024. The largest group is 75 to 84, with 106 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.58, 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. Ernst's median patient age at 49, with 62% women.
Dr. Ernst's Medicare patients by age, 2024
Dr. Ernst's Medicare patients by sex, 2024
- Women17060%
- Men11240%
Chronic conditions among Dr. Ernst's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis61%
- Diabetes41%
- Chronic kidney disease39%
- Ischemic heart disease39%
- Mood disorders38%
- Depression36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ernst's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael R. Ernst wrote 159 Medicare Part D claims in 2024
In 2024, Dr. Ernst wrote 159 Medicare Part D claims for 117 patients. 94% of them were for generic drugs. CMS names the drug for 82 of them, across 5 drugs with 11 or more claims each, at $620 in total drug cost. In 2023, CMS named 109 claims across 6 drugs.
Dr. Ernst's Part D claims by kind of drug, 2024
- Generic150 claims94%
- Brand-name and other9 claims6%
Dr. Ernst's 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. Ernst's Part D claims, 2024
- Opioids25%39 of 159 claims
- Antibiotics31%49 of 159 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: 1092024: 8225%
Drugs named by CMS: 5 in 2024, 6 in 2023.
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. Michael R. Ernst takes part in Medicare
Dr. Ernst 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Michael R. Ernst has 2 publications on record
Dmand AI links 2 papers to Dr. Ernst, published from 2018 to 2021. Dr. Ernst's most frequent co-author is Ryan Patrick McKillip, MD.
Dr. Ernst's most frequent co-authors
Recent publications by Dr. Ernst
See who Dr. Ernst researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ernst works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael R. Ernst received $44 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Ernst from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Medline Industries, Inc. paid the most, $44.
Companies that paid Dr. Ernst the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael R. Ernst graduated from College of Human Medicine - Grand Rapids
Dr. Ernst graduated from College of Human Medicine - Grand Rapids in 2015.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Michael R. Ernst accepts plans from 15 insurance carriers
Dr. Ernst is in network with 15 carriers, including Excellus BlueCross BlueShield, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Aetna
- Alliant Health Plans
- HCSC
- Baylor Scott and White
- +7 more carriersWith a free account
Plan types Dr. Ernst accepts, by number of carriers
- HMO10
- PPO8
- Medicare4
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael R. Ernst'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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 Dr. Michael R. Ernst
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. Michael R. Ernst's NPI number?
Dr. Michael R. Ernst's NPI number is 1457730517. It was assigned on May 22, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael R. Ernst?
Dr. Michael R. Ernst is an emergency medicine physician in Allen, Texas. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Michael R. Ernst practice?
Dr. Ernst practices at 1105 Central Expressway North, Allen, TX 75013. Dr. Ernst's primary practice is Texas Health Presbyterian Hospital Allen in Allen, Texas, part of Texas Health Resources. Dmand AI also links Dr. Ernst to 4 group practices and clinics and 3 medical groups.
What is Dr. Michael R. Ernst's office phone number?
The practice phone on file for Dr. Ernst is (972) 747-1000.
What is Dr. Michael R. Ernst's medical license number?
Dr. Ernst's Illinois license number on file is 125-066492, one of the licenses on file in 3 states.
Which states has Dr. Michael R. Ernst been licensed in?
Dmand AI has state licenses on file for Dr. Ernst in Illinois (2015 to 2018), Texas (2018 to 2026) and Ohio (2020 to 2022).
Which hospitals is Dr. Michael R. Ernst affiliated with?
Dr. Ernst practices at Texas Health Presbyterian Hospital Allen in Allen, Texas.
What medical group is Dr. Michael R. Ernst part of?
Dr. Ernst is linked to University of Texas Southwestern Medical Center. Dmand AI links Dr. Ernst to 3 more medical groups.
Does Dr. Michael R. Ernst accept Medicare?
Yes. CMS data shows Dr. Ernst billed Medicare for 406 services in 2024, and Dr. Ernst accepts Medicare assignment.
How many Medicare patients does Dr. Michael R. Ernst see?
CMS counts 282 Medicare patients who saw Dr. Ernst in 2024, with an average age of 76.
Show 9 more questionsShow fewer questions
Is Dr. Michael R. Ernst board certified?
Yes. Dr. Ernst is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Michael R. Ernst bill to Medicare?
In 2024, Dr. Ernst's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Michael R. Ernst go to medical school?
Dr. Ernst graduated from College of Human Medicine - Grand Rapids in 2015.
What drugs does Dr. Michael R. Ernst prescribe most?
In 2024 Medicare Part D data, Dr. Ernst's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Cefdinir and Ondansetron ODT.
Has Dr. Michael R. Ernst received payments from drug or device companies?
CMS Open Payments shows $44 in general payments to Dr. Ernst from 1 company from 2025 to 2025. The largest total came from Medline Industries, Inc.
How long has Dr. Michael R. Ernst been practicing?
Dr. Ernst graduated from medical school in 2015, 11 years ago.
Does Dr. Michael R. Ernst do research?
Dmand AI links 2 publications to Dr. Ernst, published from 2018 to 2021.
Who does Dr. Michael R. Ernst publish with?
Dr. Ernst's most frequent co-authors are Ryan Patrick McKillip, MD (1 shared paper).
What insurance does Dr. Michael R. Ernst accept?
Dr. Ernst is in network with 15 carriers, including Excellus BlueCross BlueShield, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
Selling to emergency medicine practices?
See emergency medicine physicians in Texas by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card