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DR. ALEXANDRE LACASSE M.D., M.SC.
NPI 1972723765
Internal Medicine in Saint Louis, MO

Active since April 26, 2007PECOS EnrolledAccepts Medicare Assignment
6420 CLAYTON RD, MEDICINE OUTPATIENT CLINIC, SAINT LOUIS, MO 63117(314) 768-8373 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Alexandre Lacasse M.d., M.sc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALEXANDRE LACASSE M.D., M.SC. (NPI 1972723765) is an individual internal medicine provider in Saint Louis, Missouri, licensed in Tennessee (MD0000042236) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital - St Louis, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1972723765
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ALEXANDRE LACASSECredential: M.D., M.SC.
Location Address6420 CLAYTON RD, MEDICINE OUTPATIENT CLINICSaint Louis, MO 63117-1811
Mailing Address6420 Clayton Rd, Department Of Internal MedicineSaint Louis, MO 63117-1811 · (314) 768-8778
Phone(314) 768-8373
Sole ProprietorYes
Medical School CMSOtherGraduated 2003
Enumeration DateApril 26, 2007
Last NPPES UpdateMarch 7, 2023
✔ NPI 1972723765 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in TN · MD0000042236✔ Licensed in MO · 2006028227
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
6420 CLAYTON RD, Saint Louis, MO 63117
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Other Identifiers 3

OtherMD0000042236TN · Physician License
Other2006028227MO · Physician License
Other302710825MO · Bndd Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Alexandre Lacasse M.d., M.sc. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052441672
PECOS Enrollment IDI20100608000941
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
39 services20 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ssm Health St Mary's Hospital - St Louis

Acute Care Hospitals · Richmond Heights, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260091
Location6420 Clayton RdRichmond Heights, MO 63117 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63117 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KRISTA HARRY PHARMD
Pharmacist
6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117
St. Louis County (314) 768-8341
ANDERSON WEST JR. REGISTERED NURSE
Registered Nurse
6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117
St. Louis County (314) 768-8644
VICTORIA CERNETICH MS, RD, LD
Dietitian, Registered
6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117
St. Louis County (314) 768-8891
DR. SHOUYING DU M.D
Pathology (Anatomic Pathology & Clinical Pathology)
6420 CLAYTON RD
SAINT LOUIS, MO 63117
St. Louis County (314) 344-7525
AUDREY KATE DOMBROWSKI MS, RD, LD
Dietitian, Registered
6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117
St. Louis County (314) 768-8891
MARISA CLEMENTE
Occupational Therapist
6420 CLAYTON RD
RICHMOND HEIGHTS, MO 63117
St. Louis County (314) 768-8000
LAUREN VALERIA EVELTI
Student in an Organized Health Care Education/Training Program
6420 CLAYTON RD
SAINT LOUIS, MO 63117
St. Louis County (314) 768-8000
PAMELA HAMPTON CRNA
Nurse Anesthetist, Certified Registered
6420 CLAYTON RD
SAINT LOUIS, MO 63117
St. Louis County (314) 768-8442

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexandre Lacasse's NPI number?

The NPI number for Alexandre Lacasse is 1972723765. It was assigned to this individual provider in the NPPES registry on April 26, 2007.

Where is Alexandre Lacasse located?

Alexandre Lacasse practices at 6420 Clayton Rd Medicine Outpatient Clinic, Saint Louis, MO 63117. The listed phone number is (314) 768-8373.

What is Alexandre Lacasse's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Alexandre Lacasse enrolled in Medicare?

Yes. Alexandre Lacasse is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Alexandre Lacasse accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 2 other insurers list Alexandre Lacasse as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Alexandre Lacasse affiliated with any hospitals?

According to CMS data, Alexandre Lacasse is affiliated with Ssm Health St Mary's Hospital - St Louis.

When was this NPI record last updated?

The NPPES record for Alexandre Lacasse was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.