Stephen Buchatsky, MD
One of the Russians agents stuck in suspended animation in the forgotten submarine.
He was never revived.
Spider-Man 2099 Annual #1

Dr. Hobson
An unfortunate hospital doctor beaten up by SHIELD agents when he tried to prevent them from entering a patient's room.
Doom 2099 #36

Dr Rudolf Menkell (also spelled Menkel)
Unethical doctor obsessed with Identity Fragmentation Syndrome.
Turns into the sasquatch-like villain Throwback.
Ravage 2099 #16-18

Dr. Morrow
Docs in a Box doctor, also a Thorite (worshipper of the Asgardian gods).
Treated an injured Spider-Man 2099
Spider-Man 2099 #6

Dr. Celia Quiñones
A world-famous neurosurgeon locked into a contract with the megacorporation Pixel.
She assisted in creating Doom 2099's new suit of armor, and he helped her escape from Pixel.
Doom 2099 #1

Dr. Sandoz
Works at the Medi-Kwik in Transverse City.
Acquaintance of "Zero" Cochrane (Ghost-Rider 2099).
Helped Zero treat his girlfriend's Induced Repetitive Menemonic Syndrome
Ghost Rider 2099 #6

Dr. Weller
A street-level manufacturer and seller of illicit drugs.
He has frequent run-ins with Daredevil.
Doom 2099 #40

Dr. Louise Wingfoot
An esteemed medical doctor and the leader of the Native American Kewazi Nation.
X-Men #13

Kerry Dowenn Consultant psychiatrist for the Public Eye Security Force.
She believes (correctly) that the Punisher and Special Office Jake Gallows are the same person. She later becomes his love interest.
Her official title is "Para-Psych," not as in "parapsychologist," but I suspect the "para-" refers to her working in a paraprofessional capacity for the cops.
Fridged.
Punisher 2099 #3

Dr. Phil
The sleazy and unctuous corporate psychologist at Lotusland studios (where Hulk 2099’s alter ego works as an executive).
His official title is "Mental Adjustment Specialist."
Interestingly, this Dr Phil predates the rise to fame of TV's equally sleazy and unctuous Dr Phil (McGraw) by a few years.
2099 Unlimited #1