Dr. Benjamin L. Mazer, M.D.
Pathology (Anatomic Pathology & Clinical Pathology Physician)
600 N Wolfe St
Baltimore, MD 21287
Who else practices at this address →
Baltimore city includes primary care (36% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Medical school
- University of Rochester School of Medicine and Dentistry (2016)
- Years since graduation
- 10
- In the NPI registry since
- 2016
- Medicare patients seen, 2024
- 766
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
- 2016Medical school: University of Rochester School of Medicine and Dentistry
- 2016Registered 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
-
Anatomic Pathology & Clinical Pathology Physician primary
MD license D88601
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Johns Hopkins Bayview Medical Center Baltimore, MD
Medical groups
- Johns Hopkins University (2,909 clinicians)
- Johns Hopkins University (713 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
- 766
- Services billed
- 2,405
- Patients’ average age
- 70
| Service | Times | Patients |
|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | 1,062 | 430 |
| Special stained specimen slides to examine tissue, initial procedure | 170 | 136 |
| Special stained specimen slides to examine tissue, each additional procedure | 166 | 69 |
| Pathology examination of tissue using a microscope, moderately high complexity | 110 | 81 |
| Pathology examination of tissue using a microscope, moderately low complexity | 89 | 76 |
| Evaluation of fine needle aspirate | 79 | 37 |
| Special stained specimen slides to examine tissue including interpretation and report | 51 | 41 |
| Microscopic genetic analysis of tumor, manual | 47 | 13 |
| Pathology examination of tissue using a microscope | 30 | 28 |
| Special stained specimen slides to identify organisms including interpretation and report | 29 | 19 |
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.