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

Dr. David Samuel Portney, MD

Individual provider Ophthalmology Physician · NPI 1710555461

Dr. David Samuel Portney, MD is an Ophthalmology in Bloomfield Hills, Michigan. Graduated from University of Michigan Medical School in 2021, 5 years ago. Practices with Grosinger Spigelman and Grey Eye Surgeons PC, a 6-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
5
Trained at
University of Michigan Medical School
Licensed in
MI
In the registry since
2021
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

1750 S Telegraph Rd Ste 205
Bloomfield Hills, MI 48302-0178
Phone: (248) 333-2900
Fax: (248) 333-3539
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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 4301513858 (MI)

Record details

NPI number1710555461
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 17, 2021
Last updated in NPPESJuly 8, 2025
Certification dateJuly 8, 2025

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 2021 (5 years in practice)
Group practice Grosinger Spigelman And Grey Eye Surgeons Pc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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