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

Dr. Mazen Zaitoon, MD

Individual provider Internal Medicine Physician · NPI 1013280965

Dr. Mazen Zaitoon, MD is an Internal Medicine in Valparaiso, Indiana. Qualified in 2011, 15 years ago. Practices with Platinum Hospitalists LLP, a 196-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
15
Licensed in
IN
In the registry since
2012
Specialties on file
2
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

85 E United States 6 Frontage
Valparaiso, IN 46383
Phone: (219) 983-8300
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 01075647A (IN)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1013280965
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 22, 2012
Last updated in NPPESOctober 5, 2015
Mailing address130 Saint Ives Dr, Greensburg, PA 15601-5851

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Platinum Hospitalists Llp — 196 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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