Doctor profile · Federal record

Dr. Alexandra Halalau

Internal Medicine Physician (CMS: Internal Medicine) · Royal Oak, MI

  • NPI 1033324280
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3601 W. 13 Mile Road
Royal Oak, MI 40873
(248) 551-0615

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
October 22, 2020
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4301085329

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033324280. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
144
Distinct HCPCS
4
Medicare allowed
$11,546
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 74 49 $88
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 41 41 $63
99214 Established patient office or other outpatient visit, 30-39 minutes 16 15 $78
99215 Established patient office or other outpatient visit, 40-54 minutes 13 12 $92

In context: peer comparison

Among 41 peers in Royal Oak Internal Medicine Physician, average services per provider: 117. This provider delivers 1.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $18.04

By nature of payment

Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
840
Patients
253
Total drug cost
$12,740
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 185 59 $2,881
Levothyroxine Sodium Generic 90 33 $1,579
Amlodipine Besylate Generic 88 23 $955
Losartan Potassium Generic 64 21 $1,628
Omeprazole Generic 58 22 $820
Metformin Hcl Generic 51 17 $615
Rosuvastatin Calcium Generic 46 13 $1,005
Lisinopril Generic 43 16 $731
Gabapentin Generic 39 11 $882
Alprazolam Generic 37 12 $181

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexandra Halalau's medical specialty?
Dr. Alexandra Halalau practices Internal Medicine Physician in Royal Oak, MI.
Where does Dr. Alexandra Halalau practice?
Dr. Alexandra Halalau practices at 3601 W. 13 Mile Road, Royal Oak, MI 40873. Office phone: 2485510615.
What is Dr. Alexandra Halalau's NPI?
Dr. Alexandra Halalau's National Provider Identifier (NPI) is 1033324280, issued by NPPES.
Does Dr. Alexandra Halalau accept Medicare assignment?
Yes. Dr. Alexandra Halalau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexandra Halalau commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.