Physician Profile
Unclaimed ProfileAbout MAZER
Benjamin Louis Mazer, M.D. is a healthcare provider in Baltimore, MD specialising in pathology. Benjamin trained at University of Rochester School of Medicine and Dentistry, graduating in 2016. Benjamin is also listed as specialising in anatomic & clinical pathology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Mazer?
Dr. Mazer is a pathology in Baltimore, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PATHOLOGY”.
NPI registry
What is Dr. Mazer's address?
Dr. Mazer is listed at 600 N WOLFE ST, Baltimore, MD 21287. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Mazer?
The number on file is (410) 955-3580. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Mazer's NPI number?
Dr. Mazer's National Provider Identifier is 1689022352. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Mazer train?
Dr. Mazer attended University of Rochester School of Medicine and Dentistry, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Mazer been practising?
Dr. Mazer has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Mazer perform?
According to Medicare billing data, Dr. Mazer the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Mazer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mazer. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (410) 955-3580
- Email not available
Practice Locations
600 N WOLFE ST
Baltimore, MD 21287
Procedures Most Often Billed to Medicare
2,358 services · 1,230 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
1,323 |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
239 |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
228 |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
132 |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
87 |
| Special stained specimen slides to examine tissue including interpretation and report | Lab test | 88313 |
86 |
| Evaluation of fine needle aspirate | Lab test | 88172 |
66 |
| Preparation of tissue for examination by removing any calcium present | Lab test | 88311 |
30 |
| Pathology examination of tissue using a microscope, high complexity | Lab test | 88309 |
29 |
| Genetic sequencing localization, initial procedure | Lab test | 88365 |
27 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other pathology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other pathology specialists in Baltimore 7
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at University of Rochester School of Medicine and Dentistry 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at University of Rochester School of Medicine and Dentistry 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.