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

Dr. Derek Hunter Ohlstein, MD

Individual provider Internal Medicine Physician · NPI 1295960946

Dr. Derek Hunter Ohlstein, MD is an Ophthalmology in Vero Beach, Florida. Graduated from Tulane University School of Medicine in 2009, 17 years ago. Practices with William J. Mallon, MD, a 10-clinician group and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
17
Trained at
Tulane University School of Medicine
Licensed in
FL
In the registry since
2009
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

3500 US Highway 1
Vero Beach, FL 32960-4511
Phone: (772) 299-1404
Fax: (772) 299-1455
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence ME114955 (FL)
Internal Medicine Physician Taxonomy 207R00000X · Licence TRN13800 (FL)

Record details

NPI number1295960946
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 26, 2009
Last updated in NPPESMarch 4, 2022
Certification dateMarch 4, 2022
Mailing address3500 Us Highway 1, Vero Beach, FL 32960-4511

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice William J. Mallon, Md — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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