Alexandra I. Halalau

  • Royal Oak, MI
  • Internist
NPI1033324280PAC ID1557423266
Medicare services, 2024
248
Medicare patients, 2024
118
Part D claims, 2024
1,578
Publications
59
Clinical trials
1
Practice address
3601 W Thirteen Mile Rd, Royal Oak, MI 48073
Practice phone
Call (248) 898-5400
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

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Alexandra I. Halalau is an internist in Royal Oak, Michigan

Alexandra Halalau practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health.

Alexandra Halalau's NPI, 1033324280, was assigned on May 11, 2007. Alexandra Halalau holds Michigan license 4301085329.

NPI and contact details
Medicare PAC ID
1557423266
NPI enumeration date
May 11, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(248) 898-5400
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
50
Medical school graduation
2002

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

Alexandra I. Halalau practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan

Alexandra Halalau'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.

Source: Dmand AI Affiliation Data

Alexandra I. Halalau is affiliated with 4 sites of care and 1 medical group

Alexandra Halalau's primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. Alexandra Halalau is also affiliated with Corewell Health Beaumont Troy Hospital. The medical group on file is Medical Education Associates. Dmand AI also links Alexandra Halalau to 2 more hospitals, each named with a free account.

See all 5 affiliations for Alexandra Halalau

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

Dmand AI tracks the EHR system at Alexandra I. Halalau's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Alexandra Halalau practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Corewell Health William Beaumont University HospitalAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Alexandra I. Halalau is one of 4,804 internists in Michigan

Internal medicine is Alexandra Halalau's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Alexandra Halalau is licensed in Michigan.

Specialties and state licenses

  • Internal medicine, MichiganPrimaryLicense 4301085329 · taxonomy 207R00000X

Internists near Alexandra Halalau

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

Alexandra I. Halalau billed Medicare for 248 services in 2024

CMS data shows 248 Medicare services from Alexandra Halalau across 6 procedure codes in 2024, for 118 Medicare patients. Medicare paid $10,973 for them.

Medicare services, 2024248
Medicare patients118
Paid by Medicare$10,973
Procedure codes6

Alexandra Halalau's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1032024: 15752%
Other services
2023: 412024: 7685%
Tests and treatments
2023: 02024: 15

Where Alexandra Halalau's Medicare services took place, 2024

  • In an office22390%
  • In a facility2510%

Alexandra Halalau compared with the Michigan median for internists, 2024

  • Alexandra Halalau
  • Michigan median
Medicare services
248vs 42341% below
Medicare patients
118vs 15926% below
Part D claims
1,122vs 3143.6 times

Medians across 4,524 internists in Michigan with Dmand AI profiles that report each measure.

Alexandra Halalau'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 Alexandra Halalau

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

Alexandra I. Halalau treated 118 Medicare patients in 2024, average age 72

CMS counts 118 Medicare patients who saw Alexandra Halalau in 2024. The largest group is 65 to 74, with 55 patients. 66% of them have high cholesterol, and 65% have high blood pressure. 19% are also on Medicaid. Their average risk score is 1.26, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Alexandra Halalau's median patient age at 58, with 70% women.

Medicare patients, 2024118
Average age72
Average risk score1.26
Also on Medicaid19%

Alexandra Halalau's Medicare patients by age, 2024

Alexandra Halalau's Medicare patients by sex, 2024

  • Women8471%
  • Men3429%

Chronic conditions among Alexandra Halalau's Medicare patients, 2024

  1. High cholesterol66%
  2. High blood pressure65%
  3. Arthritis37%
  4. Diabetes27%
  5. Mood disorders26%
  6. Depression25%
  7. Ischemic heart disease25%
  8. Anxiety23%

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

Alexandra Halalau's patients across all payers

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

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women70%
  • Men30%

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

Alexandra I. Halalau wrote 1,578 Medicare Part D claims in 2024

In 2024, Alexandra Halalau wrote 1,578 Medicare Part D claims for 195 patients. 87% of them were for generic drugs. CMS names the drug for 1,122 of them, across 33 drugs with 11 or more claims each, at $51,917 in total drug cost. In 2023, CMS named 1,108 claims across 32 drugs.

Part D claims, 20241,578
Drugs named by CMS33
Total drug cost$51,917
Part D patients195

Alexandra Halalau's Part D claims by kind of drug, 2024

  • Generic1,370 claims87%
  • Brand-name and other208 claims13%

Alexandra Halalau'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 Alexandra Halalau's Part D claims, 2024

  • Opioids1%23 of 1,578 claims
  • Antibiotics1%15 of 1,578 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: 1,1082024: 1,1221%

Drugs named by CMS: 33 in 2024, 32 in 2023.

See all prescribing by Alexandra Halalau

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

Alexandra I. Halalau offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Removal of skin lesions: 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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Alexandra I. Halalau has 59 publications on record

Dmand AI links 59 papers to Alexandra Halalau, published from 2016 to 2024. 2018 was the busiest year, with 12. The most frequent topics are COVID-19, Michigan and Diabetes Mellitus, Type 2. Alexandra Halalau has published most often in Int J Gen Med. Alexandra Halalau's most frequent co-authors are Adam Hafeez, MD, Zaid Imam, MD and Amr E. Abbas, MD.

Papers59
Years published2016 to 2024

Alexandra Halalau's papers by year, 2016 to 2024

Topics Alexandra Halalau writes about most

  • COVID-19
  • Michigan
  • Diabetes Mellitus, Type 2
  • Hospital Mortality
  • Pandemics
  • SARS-CoV-2
  • Coronavirus Infections
  • Emergency Service, Hospital

Alexandra Halalau's most frequent co-authors

Recent publications by Alexandra Halalau

See all 59 publications and co-authors

See who Alexandra Halalau researches with

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

How network discovery works

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

Alexandra I. Halalau has worked on 1 clinical trial

Dmand AI links Alexandra Halalau to 1 clinical trial. Conditions studied include Patient Compliance and Patient Acceptance of Health Care.

Conditions in Alexandra Halalau's trials

  • Patient Compliance
  • Patient Acceptance of Health Care

Recent clinical trials with Alexandra Halalau

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Alexandra I. Halalau received $18 in industry payments in 2024

CMS Open Payments shows 1 general payment to Alexandra Halalau from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $18.

Companies that paid Alexandra Halalau the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Alexandra Halalau

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Alexandra I. Halalau'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Alexandra I. Halalau

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Alexandra I. Halalau's NPI number?

Alexandra I. Halalau's NPI number is 1033324280. It was assigned on May 11, 2007, and it is active in the NPI Registry.

What does Alexandra I. Halalau specialize in?

Alexandra I. Halalau is an internist in Royal Oak, Michigan. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Alexandra I. Halalau practice?

Alexandra Halalau practices at 3601 W Thirteen Mile Rd, Royal Oak, MI 48073. Alexandra Halalau's primary practice is Corewell Health William Beaumont University Hospital in Royal Oak, Michigan, part of Corewell Health. Dmand AI also links Alexandra Halalau to 2 hospitals.

What is Alexandra I. Halalau's office phone number?

The practice phone on file for Alexandra Halalau is (248) 898-5400.

What is Alexandra I. Halalau's medical license number?

Alexandra Halalau holds Michigan license 4301085329.

Which hospitals is Alexandra I. Halalau affiliated with?

Alexandra Halalau practices at Corewell Health William Beaumont University Hospital in Royal Oak, Michigan. Alexandra Halalau is also affiliated with Corewell Health Beaumont Troy Hospital. Dmand AI links Alexandra Halalau to 2 more hospitals.

What medical group is Alexandra I. Halalau part of?

Alexandra Halalau is linked to Medical Education Associates.

Does Alexandra I. Halalau accept Medicare?

Yes. CMS data shows Alexandra Halalau billed Medicare for 248 services in 2024, and Alexandra Halalau accepts Medicare assignment.

Does Alexandra I. Halalau offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Alexandra Halalau as offering telehealth services.

How many Medicare patients does Alexandra I. Halalau see?

CMS counts 118 Medicare patients who saw Alexandra Halalau in 2024, with an average age of 72.

Show 6 more questionsShow fewer questions

What services does Alexandra I. Halalau bill to Medicare?

In 2024, Alexandra Halalau's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).

What drugs does Alexandra I. Halalau prescribe most?

In 2024 Medicare Part D data, Alexandra Halalau's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.

Has Alexandra I. Halalau received payments from drug or device companies?

CMS Open Payments shows $18 in general payments to Alexandra Halalau from 1 company from 2024 to 2024. The largest total came from Novo Nordisk Inc.

How long has Alexandra I. Halalau been practicing?

Alexandra Halalau graduated from medical school in 2002, 24 years ago.

Does Alexandra I. Halalau do research?

Dmand AI links 59 publications to Alexandra Halalau, published from 2016 to 2024. Alexandra Halalau has worked on 1 clinical trial.

Who does Alexandra I. Halalau publish with?

Alexandra Halalau's most frequent co-authors are Adam Hafeez, MD (6 shared papers), Zaid Imam, MD (6 shared papers) and Amr E. Abbas, MD (4 shared papers).

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