Dr. Michael Demetriou, MD

  • Orange, CA
  • Neurologist
NPI1992885099PAC ID6709074511
Medicare services, 2024
153
Medicare patients, 2024
49
Part D claims, 2024
246
Publications
58
Hospital affiliations
1
Practice address
101 City Drive South, Orange, CA 92868
Practice phone
Call (714) 456-7890
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UCI Health - Orange

Hospital · Orange, California

See all 4 affiliations

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Dr. Michael Demetriou is a neurologist in Orange, California

Dr. Demetriou practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Dr. Demetriou's NPI, 1992885099, was assigned on October 16, 2006. Dr. Demetriou graduated from University of Toronto Faculty of Medicine in 1996. Dr. Demetriou holds California license 000000A77231.

NPI and contact details
Medicare PAC ID
6709074511
NPI enumeration date
October 16, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(714) 456-7890
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michael Demetriou practices at UCI Health - Orange in Orange, California

Dr. Demetriou's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

  • UCI Health - Orange
    101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890

Source: Dmand AI Affiliation Data

Dr. Michael Demetriou is affiliated with 3 sites of care and 1 medical group

Dr. Demetriou's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. The medical group on file is UCI Health Physicians. Dmand AI also links Dr. Demetriou to 1 more group practice or clinic and 1 home health agency, each named with a free account.

See all 4 affiliations for Dr. Demetriou

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Michael Demetriou's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Demetriou practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UCI Health - OrangeAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael Demetriou is one of 2,207 neurologists in California

Neurology is Dr. Demetriou's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Demetriou is board certified in neurology by the Royal College of Physicians and Surgeons of Canada. Dr. Demetriou is licensed in California.

Specialties and state licenses

  • Neurology, CaliforniaPrimaryLicense 000000A77231 · 2001 to 2027 · taxonomy 2084N0400X

Clinical focus

Dmand AI lists encephalopathy, multiple sclerosis and neuropathy among the conditions Dr. Demetriou treats.

Neurologists near Dr. Demetriou

Counts of neurologists 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 Demetriou billed Medicare for 153 services in 2024

CMS data shows 153 Medicare services from Dr. Demetriou across 3 procedure codes in 2024, for 49 Medicare patients. Medicare paid $9,197 for them. Every service was in an office.

Medicare services, 2024153
Medicare patients49
Paid by Medicare$9,197
Procedure codes3

Dr. Demetriou's Medicare services by type, 2024

  1. Office and hospital visits81
  2. Other services72

Dr. Demetriou compared with the California median for neurologists, 2024

  • Dr. Demetriou
  • California median
Medicare services
153vs 40462% below
Medicare patients
49vs 19074% below
Part D claims
178vs 32445% below

Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.

Dr. Demetriou'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.

See all procedures by Dr. Demetriou

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michael Demetriou treated 49 Medicare patients in 2024, average age 69

CMS counts 49 Medicare patients who saw Dr. Demetriou in 2024. The largest group is 65 to 74, with 24 patients. 73% of them have high cholesterol, and 65% have high blood pressure. 24% are also on Medicaid. Their average risk score is 2.41, 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. Demetriou's median patient age at 60, with 69% women.

Medicare patients, 202449
Average age69
Average risk score2.41
Also on Medicaid24%

Dr. Demetriou's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Demetriou's Medicare patients by sex, 2024

  • Women3776%
  • Men1224%

Chronic conditions among Dr. Demetriou's Medicare patients, 2024

  1. High cholesterol73%
  2. High blood pressure65%
  3. Arthritis49%
  4. Depression49%
  5. Mood disorders49%
  6. Anxiety35%
  7. Osteoporosis35%
  8. Diabetes24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Demetriou's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women69%
  • Men31%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michael Demetriou wrote 246 Medicare Part D claims in 2024

In 2024, Dr. Demetriou wrote 246 Medicare Part D claims for 36 patients. 57% of them were for generic drugs. CMS names the drug for 178 of them, across 6 drugs with 11 or more claims each, at $711,960 in total drug cost.

Part D claims, 2024246
Drugs named by CMS6
Total drug cost$711,960
Part D patients36

Dr. Demetriou's Part D claims by kind of drug, 2024

  • Generic141 claims57%
  • Brand-name105 claims43%

Dr. Demetriou'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.

See all prescribing by Dr. Demetriou

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

Dr. Michael Demetriou offers telehealth to Medicare patients

Dr. Demetriou accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Demetriou as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Michael Demetriou has 58 publications on record

Dmand AI links 58 papers to Dr. Demetriou, published from 2007 to 2023. 2014 was the busiest year, with 5. The most frequent topics are Polysaccharides, Glycosylation and N-Acetylglucosaminyltransferases. Dr. Demetriou has published most often in J Biol Chem. Dr. Demetriou's most frequent co-authors are James Williard Dennis, MD, Michael Yu Sy, MD and Donald William Kufe, MD.

Papers58
Years published2007 to 2023

Dr. Demetriou's papers by year, 2014 to 2023

Topics Dr. Demetriou writes about most

  • Polysaccharides
  • Glycosylation
  • N-Acetylglucosaminyltransferases
  • T-Lymphocytes
  • Signal Transduction
  • Cell Differentiation
  • Multiple Sclerosis
  • Acetylglucosamine

Dr. Demetriou's most frequent co-authors

Recent publications by Dr. Demetriou

See all 58 publications and co-authors

See who Dr. Demetriou researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Demetriou works with, so you can find a warm path to the right neurologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Michael Demetriou graduated from University of Toronto Faculty of Medicine

Dr. Demetriou graduated from University of Toronto Faculty of Medicine in 1996.

  1. Medical schoolUniversity of Toronto Faculty of Medicine
  2. Board certified in neurologyRoyal College of Physicians and Surgeons of Canada

Source: Dmand AI Professional Profile Data

Dr. Michael Demetriou accepts plans from 10 insurance carriers

Dr. Demetriou is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • Alliant Health Plans
  • +2 more carriersWith a free account

Plan types Dr. Demetriou accepts, by number of carriers

  1. Medicare8
  2. PPO7
  3. HMO5
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Michael Demetriou's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michael Demetriou

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 Demetriou's NPI number?

Dr. Michael Demetriou's NPI number is 1992885099. It was assigned on October 16, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael Demetriou?

Dr. Michael Demetriou is a neurologist in Orange, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).

Where does Dr. Michael Demetriou practice?

Dr. Demetriou practices at 101 City Drive South, Orange, CA 92868. Dr. Demetriou's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dmand AI also links Dr. Demetriou to 1 group practice or clinic and 1 home health agency.

What is Dr. Michael Demetriou's office phone number?

The practice phone on file for Dr. Demetriou is (714) 456-7890.

What is Dr. Michael Demetriou's medical license number?

Dr. Demetriou holds California license 000000A77231.

Which hospitals is Dr. Michael Demetriou affiliated with?

Dr. Demetriou practices at UCI Health - Orange in Orange, California.

What medical group is Dr. Michael Demetriou part of?

Dr. Demetriou is linked to UCI Health Physicians.

Does Dr. Michael Demetriou accept Medicare?

Yes. CMS data shows Dr. Demetriou billed Medicare for 153 services in 2024, and Dr. Demetriou accepts Medicare assignment.

Does Dr. Michael Demetriou offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Demetriou as offering telehealth services.

How many Medicare patients does Dr. Michael Demetriou see?

CMS counts 49 Medicare patients who saw Dr. Demetriou in 2024, with an average age of 69.

Show 8 more questionsShow fewer questions

Is Dr. Michael Demetriou board certified?

Yes. Dr. Demetriou is board certified in neurology by the Royal College of Physicians and Surgeons of Canada.

What services does Dr. Michael Demetriou bill to Medicare?

In 2024, Dr. Demetriou's most billed Medicare services were medicare service (G2211), office visit, established patient (99214) and office visit, established patient (99215).

Where did Dr. Michael Demetriou go to medical school?

Dr. Demetriou graduated from University of Toronto Faculty of Medicine in 1996.

What drugs does Dr. Michael Demetriou prescribe most?

In 2024 Medicare Part D data, Dr. Demetriou's most prescribed drugs by claims were Glatiramer Acetate, Copaxone and Gamunex-C.

How long has Dr. Michael Demetriou been practicing?

Dr. Demetriou graduated from medical school in 1996, 30 years ago.

Does Dr. Michael Demetriou do research?

Dmand AI links 58 publications to Dr. Demetriou, published from 2007 to 2023.

Who does Dr. Michael Demetriou publish with?

Dr. Demetriou's most frequent co-authors are James Williard Dennis, MD (15 shared papers), Michael Yu Sy, MD (4 shared papers) and Donald William Kufe, MD (2 shared papers).

What insurance does Dr. Michael Demetriou accept?

Dr. Demetriou is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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