Michael Anthony Sonntag
- Medicare services, 2024
- 787
- Medicare patients, 2024
- 506
- Part D claims, 2024
- 882
- Hospital affiliations
- 4
- Industry payments
- $61
- Practice address
- 600 E Dixie Ave, Leesburg, FL 34748
- Practice phone
- Call (352) 323-5762
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UF Health Leesburg Regional Medical Center
Leesburg, Florida
Find Michael Sonntag'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.
Michael Anthony Sonntag is a family medicine physician in Leesburg, Florida
Michael Sonntag practices at UF Health Leesburg Regional Medical Center in Leesburg, Florida.
Michael Sonntag's NPI, 1831765478, was assigned on June 3, 2021. Michael Sonntag holds Georgia license 12649.
- NPI
- 1831765478NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143603332
- NPI enumeration date
- June 3, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (352) 323-5762
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael Anthony Sonntag practices at UF Health Leesburg Regional Medical Center in Leesburg, Florida
Michael Sonntag's primary practice is UF Health Leesburg Regional Medical Center, at 600 E Dixie Ave, Leesburg, FL 34748 in Lake County. The practice phone is (352) 323-5762.
- UF Health Leesburg Regional Medical Center600 E Dixie Ave, Leesburg, FL 34748 · Lake CountyPhone(352) 323-5762
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Michael Anthony Sonntag is affiliated with 6 sites of care and 8 medical groups
Michael Sonntag's primary practice is UF Health Leesburg Regional Medical Center in Leesburg, Florida. Michael Sonntag is also affiliated with UF Health Leesburg Hospital. The medical group on file is Emergency Medicine Services of Florida. Dmand AI also links Michael Sonntag to 3 more hospitals, 7 medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael Anthony Sonntag's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Sonntag practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UF Health Leesburg Regional Medical Center | Available with a free account |
| +5 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael Anthony Sonntag is one of 7,735 family medicine physicians in Florida
Family medicine is Michael Sonntag's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Michael Sonntag is licensed in Georgia.
Specialties and state licenses
- Family medicine, GeorgiaPrimary
Family medicine physicians near Michael Sonntag
Counts of family 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
Michael Anthony Sonntag billed Medicare for 787 services in 2024
CMS data shows 787 Medicare services from Michael Sonntag across 6 procedure codes in 2024, for 506 Medicare patients. Medicare paid $59,380 for them. Every service was in a facility, such as a hospital, rather than an office.
Michael Sonntag's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1812024: 544201%
- Tests and treatments
- 2023: 552024: 243342%
Michael Sonntag compared with the Florida median for family medicine physicians, 2024
- Michael Sonntag
- Florida median
- Medicare services
- 787vs 3932.0 times
- Medicare patients
- 506vs 1722.9 times
- Part D claims
- 592vs 97940% below
Medians across 7,484 family medicine physicians in Florida with Dmand AI profiles that report each measure.
Michael Sonntag'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Michael Anthony Sonntag treated 506 Medicare patients in 2024, average age 75
CMS counts 506 Medicare patients who saw Michael Sonntag in 2024. The largest group is 65 to 74, with 178 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 2.13, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Michael Sonntag's median patient age at 50, with 58% women.
Michael Sonntag's Medicare patients by age, 2024
Michael Sonntag's Medicare patients by sex, 2024
- Women27154%
- Men23546%
Chronic conditions among Michael Sonntag's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Chronic kidney disease42%
- Ischemic heart disease41%
- Diabetes40%
- Anxiety38%
- Heart failure38%
Share of Medicare patients with each condition. A patient can have several.
Michael Sonntag's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael Anthony Sonntag wrote 882 Medicare Part D claims in 2024
In 2024, Michael Sonntag wrote 882 Medicare Part D claims for 362 patients. 94% of them were for generic drugs. CMS names the drug for 592 of them, across 28 drugs with 11 or more claims each, at $4,406 in total drug cost. In 2023, CMS named 316 claims across 17 drugs.
Michael Sonntag's Part D claims by kind of drug, 2024
- Generic825 claims94%
- Brand-name and other57 claims6%
Michael Sonntag'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 Michael Sonntag's Part D claims, 2024
- Opioids5%42 of 882 claims
- Antibiotics17%152 of 882 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: 3162024: 59287%
Drugs named by CMS: 28 in 2024, 17 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 Michael Anthony Sonntag takes part in Medicare
Michael Sonntag 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.
Michael Anthony Sonntag received $61 in industry payments from 2021 to 2025
CMS Open Payments shows 4 general payments to Michael Sonntag from 4 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Dexcom, Inc. paid the most, $23.
General payments to Michael Sonntag by program year, 2021 to 2025
Companies that paid Michael Sonntag the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Michael Anthony Sonntag'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| Industry payments | Open Payments (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 Michael Anthony Sonntag
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael Anthony Sonntag's NPI number?
Michael Anthony Sonntag's NPI number is 1831765478. It was assigned on June 3, 2021, and it is active in the NPI Registry.
What does Michael Anthony Sonntag specialize in?
Michael Anthony Sonntag is a family medicine physician in Leesburg, Florida. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Michael Anthony Sonntag practice?
Michael Sonntag practices at 600 E Dixie Ave, Leesburg, FL 34748. Michael Sonntag's primary practice is UF Health Leesburg Regional Medical Center in Leesburg, Florida. Dmand AI also links Michael Sonntag to 3 hospitals, 7 medical groups and 1 group practice or clinic.
What is Michael Anthony Sonntag's office phone number?
The practice phone on file for Michael Sonntag is (352) 323-5762.
What is Michael Anthony Sonntag's medical license number?
Michael Sonntag holds Georgia license 12649.
Which hospitals is Michael Anthony Sonntag affiliated with?
Michael Sonntag is affiliated with UF Health Leesburg Hospital. Dmand AI links Michael Sonntag to 3 more hospitals.
What medical group is Michael Anthony Sonntag part of?
Michael Sonntag is linked to Emergency Medicine Services of Florida. Dmand AI links Michael Sonntag to 7 more medical groups.
Does Michael Anthony Sonntag accept Medicare?
Yes. CMS data shows Michael Sonntag billed Medicare for 787 services in 2024, and Michael Sonntag accepts Medicare assignment.
How many Medicare patients does Michael Anthony Sonntag see?
CMS counts 506 Medicare patients who saw Michael Sonntag in 2024, with an average age of 75.
What services does Michael Anthony Sonntag bill to Medicare?
In 2024, Michael Sonntag's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
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What drugs does Michael Anthony Sonntag prescribe most?
In 2024 Medicare Part D data, Michael Sonntag's most prescribed drugs by claims were Amlodipine Besylate, Cephalexin and Hydrocodone-Acetaminophen.
Has Michael Anthony Sonntag received payments from drug or device companies?
CMS Open Payments shows $61 in general payments to Michael Sonntag from 4 companies from 2021 to 2025. The largest total came from Dexcom, Inc.
How long has Michael Anthony Sonntag been practicing?
Michael Sonntag graduated from medical school in 2021, 5 years ago.
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