Michael Barnes
- Medicare services, 2024
- 674
- Medicare patients, 2024
- 207
- Part D claims, 2024
- 4,290
- Hospital affiliations
- 2
- Industry payments
- $38
- Practice address
- 3601 W Thirteen Mile Rd, Royal Oak, MI 48073
- Practice phone
- Call (248) 898-5400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Michael Barnes' professional email, personal email and mobile number
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Michael Barnes is an internist in Royal Oak, Michigan
Michael Barnes practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health.
Michael Barnes' NPI, 1588633176, was assigned on March 16, 2006. Michael Barnes graduated from Wayne State University School of Medicine in 1997. Michael Barnes holds Michigan license 4301070211.
- NPI
- 1588633176NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820126113
- NPI enumeration date
- March 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (248) 898-5400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael Barnes practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan
Michael Barnes' primary practice is Corewell Health William Beaumont University Hospital, at 3601 W Thirteen Mile Rd, Royal Oak, MI 48073 in Oakland County. The practice phone is (248) 898-5400.
- Corewell Health William Beaumont University Hospital3601 W Thirteen Mile Rd, Royal Oak, MI 48073 · Oakland CountyPhone(248) 898-5400
Source: Dmand AI Affiliation Data
Michael Barnes is affiliated with 4 sites of care and 2 medical groups
Michael Barnes' primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. Michael Barnes is also affiliated with Trinity Health Oakland Hospital. The medical group on file is Trinity Health IHA Medical Group. Dmand AI also links Michael Barnes to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael Barnes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Barnes practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health William Beaumont University Hospital | Available with a free account |
| +3 more sites and 1 medical group | 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 Corewell Health and 6.2K+ hospitals, with verified contacts in the same login.
Michael Barnes is one of 4,804 internists in Michigan
Internal medicine is Michael Barnes' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Michael Barnes is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Michael Barnes
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
Michael Barnes billed Medicare for 674 services in 2024
CMS data shows 674 Medicare services from Michael Barnes across 9 procedure codes in 2024, for 207 Medicare patients. Medicare paid $35,482 for them.
Michael Barnes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2782024: 40646%
- Other services
- 2023: 1832024: 25137%
- Tests and treatments
- 2023: 532024: 1768%
- Surgery
- 2023: 322024: 0100%
Where Michael Barnes' Medicare services took place, 2024
- In an office55082%
- In a facility12418%
Michael Barnes compared with the Michigan median for internists, 2024
- Michael Barnes
- Michigan median
- Medicare services
- 674vs 42359% above
- Medicare patients
- 207vs 15930% above
- Part D claims
- 3,725vs 31411.9 times
Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.
Michael Barnes' 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 Barnes treated 207 Medicare patients in 2024, average age 74
CMS counts 207 Medicare patients who saw Michael Barnes in 2024. The largest group is 65 to 74, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.53, 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 Barnes' median patient age at 65, with 38% women.
Michael Barnes' Medicare patients by age, 2024
Michael Barnes' Medicare patients by sex, 2024
- Women8943%
- Men11857%
Chronic conditions among Michael Barnes' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis41%
- Ischemic heart disease36%
- Diabetes32%
- Chronic kidney disease29%
- Mood disorders25%
- Atrial fibrillation22%
Share of Medicare patients with each condition. A patient can have several.
Michael Barnes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women38%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael Barnes wrote 4,290 Medicare Part D claims in 2024
In 2024, Michael Barnes wrote 4,290 Medicare Part D claims for 305 patients. 90% of them were for generic drugs. CMS names the drug for 3,725 of them, across 79 drugs with 11 or more claims each, at $227,998 in total drug cost. In 2023, CMS named 3,402 claims across 77 drugs.
Michael Barnes' Part D claims by kind of drug, 2024
- Generic3,881 claims90%
- Brand-name398 claims9%
- Other11 claims0%
Michael Barnes' 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 Barnes' Part D claims, 2024
- Opioids4%164 of 4,290 claims
- Antibiotics1%61 of 4,290 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: 3,4022024: 3,7259%
Drugs named by CMS: 79 in 2024, 77 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 Barnes takes part in Medicare
Michael Barnes 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
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Michael Barnes received $38 in industry payments from 2016 to 2017
CMS Open Payments shows 3 general payments to Michael Barnes from 3 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $15. It also lists 1 research payment totaling $357 in 2025.
General payments to Michael Barnes by program year, 2016 to 2017
Companies that paid Michael Barnes the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Michael Barnes graduated from Wayne State University School of Medicine
Michael Barnes graduated from Wayne State University School of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Michael Barnes'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) |
| 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 Michael Barnes
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 Barnes' NPI number?
Michael Barnes' NPI number is 1588633176. It was assigned on March 16, 2006, and it is active in the NPI Registry.
What does Michael Barnes specialize in?
Michael Barnes is an internist in Royal Oak, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Michael Barnes practice?
Michael Barnes practices at 3601 W Thirteen Mile Rd, Royal Oak, MI 48073. Michael Barnes' primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. Dmand AI also links Michael Barnes to 2 group practices and clinics and 1 medical group.
What is Michael Barnes' office phone number?
The practice phone on file for Michael Barnes is (248) 898-5400.
What is Michael Barnes' medical license number?
Michael Barnes holds Michigan license 4301070211.
Which hospitals is Michael Barnes affiliated with?
Michael Barnes practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan. Michael Barnes is also affiliated with Trinity Health Oakland Hospital.
What medical group is Michael Barnes part of?
Michael Barnes is linked to Trinity Health IHA Medical Group. Dmand AI links Michael Barnes to 1 more medical group.
Does Michael Barnes accept Medicare?
Yes. CMS data shows Michael Barnes billed Medicare for 674 services in 2024, and Michael Barnes accepts Medicare assignment.
How many Medicare patients does Michael Barnes see?
CMS counts 207 Medicare patients who saw Michael Barnes in 2024, with an average age of 74.
What services does Michael Barnes bill to Medicare?
In 2024, Michael Barnes' most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and medicare service (G2211).
Show 4 more questionsShow fewer questions
Where did Michael Barnes go to medical school?
Michael Barnes graduated from Wayne State University School of Medicine in 1997.
What drugs does Michael Barnes prescribe most?
In 2024 Medicare Part D data, Michael Barnes' most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Losartan Potassium.
Has Michael Barnes received payments from drug or device companies?
CMS Open Payments shows $38 in general payments to Michael Barnes from 3 companies from 2016 to 2017. The largest total came from Alkermes, Inc.
How long has Michael Barnes been practicing?
Michael Barnes graduated from medical school in 1997, 29 years ago.
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