Dr. Michael P. Duff, MD
- Medicare services, 2024
- 276
- Medicare patients, 2024
- 113
- Hospital affiliations
- 1
- Industry payments
- $16
- Medical group
- 1
- Practice address
- 12303 Depaul Drive, Bridgeton, MO 63044
- Practice phone
- Call (314) 344-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Duff's professional email, personal email and mobile number
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Dr. Michael P. Duff is an internist in Bridgeton, Missouri
Dr. Duff practices at SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri, part of SSM Health Care.
Dr. Duff's NPI, 1952622771, was assigned on June 15, 2010. Dr. Duff graduated from New York Medical College in 2008.
- NPI
- 1952622771NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456523844
- NPI enumeration date
- June 15, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 344-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael P. Duff practices at SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri
Dr. Duff's primary practice is SSM Health DePaul Hospital - St. Louis, at 12303 Depaul Drive, Bridgeton, MO 63044 in St. Louis County. The practice phone is (314) 344-6000.
- SSM Health DePaul Hospital - St. Louis12303 Depaul Drive, Bridgeton, MO 63044 · St. Louis CountyPhone(314) 344-6000
Source: Dmand AI Affiliation Data
Dr. Michael P. Duff is affiliated with 2 sites of care and 1 medical group
Dr. Duff's primary practice is SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri, part of SSM Health Care. The medical group on file is Sound Physicians. Dmand AI also links Dr. Duff to 1 more hospital outpatient department, 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 P. Duff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duff practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health DePaul Hospital - St. Louis | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael P. Duff is one of 2,114 internists in Missouri
Internal medicine is Dr. Duff's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Duff has a license on file in New York.
Specialties and state licenses
- Internal medicine, New York
Internists near Dr. Duff
Counts of internists 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 P. Duff billed Medicare for 276 services in 2024
CMS data shows 276 Medicare services from Dr. Duff across 5 procedure codes in 2024, for 113 Medicare patients. Medicare paid $30,531 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Duff's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1962024: 17013%
- Surgery
- 2023: 682024: 7510%
- Imaging
- 2023: 182024: 3172%
Dr. Duff compared with the Missouri median for internists, 2024
- Dr. Duff
- Missouri median
- Medicare services
- 276vs 53048% below
- Medicare patients
- 113vs 21146% below
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Duff'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. Duff?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Duff and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael P. Duff treated 113 Medicare patients in 2024, average age 71
CMS counts 113 Medicare patients who saw Dr. Duff in 2024. The largest group is 65 to 74, with 47 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 50% are also on Medicaid. Their average risk score is 3.30, 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. Duff's median patient age at 71, with 47% women.
Dr. Duff's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Duff's Medicare patients by sex, 2024
- Women5044%
- Men6356%
Chronic conditions among Dr. Duff's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Chronic kidney disease58%
- Heart failure58%
- Diabetes51%
- Atrial fibrillation50%
- Mood disorders46%
- Arthritis45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Duff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Michael P. Duff takes part in Medicare
Dr. Duff 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. Michael P. Duff received $16 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Duff from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Cumberland Pharmaceuticals, Inc. paid the most, $16.
Companies that paid Dr. Duff 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 P. Duff graduated from New York Medical College
Dr. Duff graduated from New York Medical College in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael P. Duff'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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 P. Duff
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 P. Duff's NPI number?
Dr. Michael P. Duff's NPI number is 1952622771. It was assigned on June 15, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael P. Duff?
Dr. Michael P. Duff is an internist in Bridgeton, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael P. Duff practice?
Dr. Duff practices at 12303 Depaul Drive, Bridgeton, MO 63044. Dr. Duff's primary practice is SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri, part of SSM Health Care. Dmand AI also links Dr. Duff to 1 hospital outpatient department.
What is Dr. Michael P. Duff's office phone number?
The practice phone on file for Dr. Duff is (314) 344-6000.
Which hospitals is Dr. Michael P. Duff affiliated with?
Dr. Duff practices at SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri.
What medical group is Dr. Michael P. Duff part of?
Dr. Duff is linked to Sound Physicians.
Does Dr. Michael P. Duff accept Medicare?
Yes. CMS data shows Dr. Duff billed Medicare for 276 services in 2024, and Dr. Duff accepts Medicare assignment.
How many Medicare patients does Dr. Michael P. Duff see?
CMS counts 113 Medicare patients who saw Dr. Duff in 2024, with an average age of 71.
What services does Dr. Michael P. Duff bill to Medicare?
In 2024, Dr. Duff's most billed Medicare services were critical care (99291), surgery: heart and blood vessels (36556) and ultrasound (76937).
Where did Dr. Michael P. Duff go to medical school?
Dr. Duff graduated from New York Medical College in 2008.
Has Dr. Michael P. Duff received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Dr. Duff from 1 company from 2025 to 2025. The largest total came from Cumberland Pharmaceuticals, Inc.
How long has Dr. Michael P. Duff been practicing?
Dr. Duff graduated from medical school in 2008, 18 years ago.
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