Dr. Marcus T. Altman
Retina Specialist (Retina Specialist (Ophthalmology) Physician)
- Medicare participating
At a glance
- Medical school
- Yale University School of Medicine (2018)
- Years since graduation
- 8
- In the NPI registry since
- 2018
- Medicare patients seen, 2024
- 130
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is
Education and training
- 2018Medical school: Yale University School of Medicine
- 2018Registered with an NPI (national billing number; not a license date)
Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Retina Specialist (Ophthalmology) Physician primary
OR license MD225318 -
Ophthalmology Physician
OR license MD225318 · UT license 12733169-1205
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Ohsu Hospital and Clinics Portland, OR
- Hillsboro Medical Center Hillsboro, OR
Medical groups
- University Professional Services (1,724 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 130
- Services billed
- 232
- Patients’ average age
- 75
| Service | Times | Patients |
|---|---|---|
| Imaging of retina | 59 | 52 |
| Injection of drug into eye | 47 | 44 |
| Established patient office or other outpatient visit, 30-39 minutes | 20 | 16 |
| Removal of eye fluid (vitreous) between lens and retina | 12 | 12 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Prednisolone Acetate Other prescribers in Portland, OR | 133 |
| Ofloxacin Other prescribers in Portland, OR | 89 |
| Dorzolamide-Timolol (dorzolamide hcl/timolol maleat) Other prescribers in Portland, OR | 22 |
| Atropine Sulfate | 21 |
| Brimonidine Tartrate Other prescribers in Portland, OR | 14 |
| Lumigan (bimatoprost) Other prescribers in Portland, OR | 12 |
| Mycophenolate Mofetil Other prescribers in Portland, OR | 12 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 1 companies reported 1 payments worth $19.27 in total to this clinician.
| Genentech USA, Inc. | $19.27 |
|---|
| Food and Beverage | $19.27 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.