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

Mark Eisner, MD

Individual provider Gastroenterology Physician · NPI 1902815103

Mark Eisner, MD is a Gastroenterology in Zephyrhills, Florida. Graduated from George Washington University School of Medicine in 1985, 41 years ago. Practices with Ohi West Medical Group II LLC, a 409-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Florida.

Years since qualifying
41
Trained at
George Washington University School of Medicine
Licensed in
FL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

38135 Market Sq
Zephyrhills, FL 33542
Phone: (813) 780-7534
Fax: (813) 715-1810
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence ME57600 (FL)

Record details

NPI number1902815103
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 5, 2006
Last updated in NPPESAugust 25, 2021
Certification dateAugust 25, 2021
Mailing address38135 Market Square, Zephyrhills, FL 33542

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Ohi West Medical Group Ii Llc — 409 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

Other providers in Zephyrhills