Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark Lowenthal, MD

Individual provider Allergy Physician · NPI 1407830136

Mark Lowenthal, MD is an Allergy/Immunology in Orland Park, Illinois. Graduated from Northwestern University Feinberg Medical School in 1987, 39 years ago. Practices with Associated Allergists and Asthma Specialists, Ltd, a 4-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
39
Trained at
Northwestern University Feinberg Medical School
Licensed in
IL
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

10733 W 165th St
Orland Park, IL 60467-8713
Phone: (708) 957-7468
Fax: (708) 957-7471
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy Physician (primary) Taxonomy 207KA0200X · Licence 36080077 (IL)

Record details

NPI number1407830136
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 6, 2005
Last updated in NPPESDecember 8, 2021
Certification dateDecember 8, 2021
Mailing address10733 W. 165th St., Orland Park, IL 60467-8713

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyALLERGY/IMMUNOLOGY
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1987 (39 years in practice)
Group practice Associated Allergists And Asthma Specialists, Ltd — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Orland Park