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Dr. Alexander Michael Demare, MD
NPI1306224811PAC ID8729399282
- Medicare services, 2024
- 192
- Medicare patients, 2024
- 135
- Part D claims, 2024
- 197
- Publications
- 10
- Hospital affiliations
- 5
- 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 Dr. Demare'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. Alexander Michael Demare is a general surgeon in Royal Oak, Michigan
Dr. Demare practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health.
Dr. Demare's NPI, 1306224811, was assigned on May 16, 2015. Dr. Demare graduated from Oakland Univ, William Beaumont School of Medicine in 2015. Dr. Demare holds Michigan license 4301507296.
NPI and contact details
- NPI
- 1306224811NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729399282
- NPI enumeration date
- May 16, 2015
- 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
- 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. Alexander Michael Demare practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan
Dr. Demare's 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
Dr. Alexander Michael Demare is affiliated with 7 sites of care and 1 medical group
Dr. Demare's primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. Dr. Demare is also affiliated with Corewell Health Beaumont Troy Hospital. The medical group on file is Michigan Healthcare Professionals, P.C. Dmand AI also links Dr. Demare to 3 more hospitals, 1 group practice or clinic and 1 home health agency, each named with a free account.
Corewell Health Beaumont Troy HospitalMichigan Healthcare Professionals, P.C.3 hospitalsNames with a free account1 group practice or clinicName with a free account1 home health agencyName with a free account
See all 8 affiliations for Dr. DemareSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alexander Michael Demare's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Demare practices, 7 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 |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexander Michael Demare is one of 1,095 general surgeons in Michigan
Surgery is Dr. Demare's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Demare's licenses on file in 2 states: Michigan and Ohio.
Specialties and state licenses
- Surgery, MichiganPrimary
- Ohio license
General surgeons near Dr. Demare
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
1,095general surgeons in Michigan74general surgeons in Royal Oak53general surgeons at Corewell Health William Beaumont University Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alexander Michael Demare billed Medicare for 192 services in 2024
CMS data shows 192 Medicare services from Dr. Demare across 5 procedure codes in 2024, for 135 Medicare patients. Medicare paid $18,121 for them.
Medicare services, 2024192
Medicare patients135
Paid by Medicare$18,121
Procedure codes5
Dr. Demare's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2272024: 19215%
- Surgery
- 2023: 112024: 0100%
Where Dr. Demare's Medicare services took place, 2024
- In an office158%
- In a facility17792%
Dr. Demare compared with the Michigan median for general surgeons, 2024
- Dr. Demare
- Michigan median
- Medicare services
- 192vs 12652% above
- Medicare patients
- 135vs 10726% above
- Part D claims
- 114vs 303.8 times
Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Demare'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Demare and other general surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexander Michael Demare treated 135 Medicare patients in 2024, average age 74
CMS counts 135 Medicare patients who saw Dr. Demare in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.11, 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. Demare's median patient age at 67, with 63% women.
Medicare patients, 2024135
Average age74
Average risk score2.11
Also on Medicaid19%
Dr. Demare's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Demare's Medicare patients by sex, 2024
- Women7757%
- Men5843%
Chronic conditions among Dr. Demare's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease49%
- Anxiety45%
- Diabetes45%
- Chronic kidney disease40%
- Mood disorders39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Demare's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander Michael Demare wrote 197 Medicare Part D claims in 2024
In 2024, Dr. Demare wrote 197 Medicare Part D claims for 65 patients. 85% of them were for generic drugs. CMS names the drug for 114 of them, across 6 drugs with 11 or more claims each, at $66,525 in total drug cost. In 2023, CMS named 117 claims across 5 drugs.
Part D claims, 2024197
Drugs named by CMS6
Total drug cost$66,525
Part D patients65
Dr. Demare's Part D claims by kind of drug, 2024
- Generic168 claims85%
- Brand-name29 claims15%
Dr. Demare'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. Demare's Part D claims, 2024
- Opioids11%21 of 197 claims
- Antibiotics18%36 of 197 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: 1172024: 1143%
Drugs named by CMS: 6 in 2024, 5 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. Alexander Michael Demare takes part in Medicare
Dr. Demare accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Alexander Michael Demare has 10 publications on record
Dmand AI links 10 papers to Dr. Demare, published from 2017 to 2023. 2022 was the busiest year, with 3. The most frequent topics are Herniorrhaphy, Robotic Surgical Procedures and Abdominal Muscles. Dr. Demare has published most often in Am Surg. Dr. Demare's most frequent co-authors are Anthony A. Iacco, MD, Begum Akay, MD and Joshua Halka, MD.
Papers10
Years published2017 to 2023
Dr. Demare's papers by year, 2017 to 2023
Topics Dr. Demare writes about most
- Herniorrhaphy
- Robotic Surgical Procedures
- Abdominal Muscles
- Hernia, Ventral
- Laparoscopy
- Surgical Wound Infection
- Length of Stay
- Operative Time
Dr. Demare's most frequent co-authors
Recent publications by Dr. Demare
Anti-Bacterial AgentsAntibiotic ProphylaxisCeftriaxone
GastrostomyLaparoscopyProstheses and Implants
Hernia, InguinalHerniorrhaphyLaparoscopy
See who Dr. Demare researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Demare works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alexander Michael Demare received $3,455 in industry payments from 2018 to 2025
CMS Open Payments shows 21 general payments to Dr. Demare from 12 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 71% of the total. Intuitive Surgical, Inc. paid the most, $1,609.
General payments to Dr. Demare by program year, 2018 to 2025
General payments to Dr. Demare by kind, 2018 to 2025
$3.5Kin total
- Food and beverage$2,44771%
- Education$1,00029%
- Gifts$90%
Companies that paid Dr. Demare the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alexander Michael Demare graduated from Oakland Univ, William Beaumont School of Medicine
Dr. Demare graduated from Oakland Univ, William Beaumont School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexander Michael Demare'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)Doctors and Clinicians Utilization Data (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 |
| 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. Alexander Michael Demare
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. Alexander Michael Demare's NPI number?
Dr. Alexander Michael Demare's NPI number is 1306224811. It was assigned on May 16, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander Michael Demare?
Dr. Alexander Michael Demare is a general surgeon in Royal Oak, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Alexander Michael Demare practice?
Dr. Demare practices at 3601 W Thirteen Mile Rd, Royal Oak, MI 48073. Dr. Demare's primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. Dmand AI also links Dr. Demare to 3 hospitals, 1 group practice or clinic and 1 home health agency.
What is Dr. Alexander Michael Demare's office phone number?
The practice phone on file for Dr. Demare is (248) 898-5400.
What is Dr. Alexander Michael Demare's medical license number?
Dr. Demare holds Michigan license 4301507296, one of the licenses on file in 2 states.
Which states has Dr. Alexander Michael Demare been licensed in?
Dmand AI has state licenses on file for Dr. Demare in Michigan and Ohio.
Which hospitals is Dr. Alexander Michael Demare affiliated with?
Dr. Demare practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan. Dr. Demare is also affiliated with Corewell Health Beaumont Troy Hospital. Dmand AI links Dr. Demare to 3 more hospitals.
What medical group is Dr. Alexander Michael Demare part of?
Dr. Demare is linked to Michigan Healthcare Professionals, P.C.
Does Dr. Alexander Michael Demare accept Medicare?
Yes. CMS data shows Dr. Demare billed Medicare for 192 services in 2024, and Dr. Demare accepts Medicare assignment.
How many Medicare patients does Dr. Alexander Michael Demare see?
CMS counts 135 Medicare patients who saw Dr. Demare in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
What services does Dr. Alexander Michael Demare bill to Medicare?
In 2024, Dr. Demare's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. Alexander Michael Demare go to medical school?
Dr. Demare graduated from Oakland Univ, William Beaumont School of Medicine in 2015.
What drugs does Dr. Alexander Michael Demare prescribe most?
In 2024 Medicare Part D data, Dr. Demare's most prescribed drugs by claims were Omeprazole, Diphenoxylate-Atropine and Creon.
Has Dr. Alexander Michael Demare received payments from drug or device companies?
CMS Open Payments shows $3,455 in general payments to Dr. Demare from 12 companies from 2018 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Alexander Michael Demare been practicing?
Dr. Demare graduated from medical school in 2015, 11 years ago.
Does Dr. Alexander Michael Demare do research?
Dmand AI links 10 publications to Dr. Demare, published from 2017 to 2023.
Who does Dr. Alexander Michael Demare publish with?
Dr. Demare's most frequent co-authors are Anthony A. Iacco, MD (5 shared papers), Begum Akay, MD (3 shared papers) and Joshua Halka, MD (3 shared papers).
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