Physician Profile
Aaron Tobian, M.D., PhD is a healthcare provider in Baltimore, MD specializing in pathology. Aaron trained at Clvlnd Clinic Lerner College of Med of Case Wstn RSV University, graduating in 2006. Medicare claims data shows Aaron provided 109 services to 52 patients. The services billed most often include mechanical separation of red blood cells from blood, mechanical separation of plasma from blood, and blood bank physician services for investigation of transfusion reaction with written report.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
600 N WOLFE ST DEPARTMENT OF PATHOLOGY, CARNEGIE 400
Baltimore, MD 21287
Within Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Autoimmune & Joints
Autopsy & Forensic
Blood & Metabolism
Blood Disorders
Cancer
Cervical & Gynecologic
Digestive
Digestive System
Endocrine
Genetics
Hormones
Immune System
Infections
Kidney
Liver
Metabolic & Routine Lab
Pregnancy & Fertility
Skin Cancer
Women's Health
Autopsy & Forensic
Blood Tests
Cytology
Cytology & Screening
Genetic & Molecular Tests
Genetics
Immune & Allergy Tests
Infection Testing
Infection Tests
Lab & Blood Tests
Pathology Review
Pregnancy & Fertility
Routine Lab Tests
Tissue Biopsy
109 services · 52 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Mechanical separation of red blood cells from blood | Procedure | 36512 |
63 | Too few peers to compare |
| Mechanical separation of plasma from blood | Procedure | 36514 |
34 | As often as other peers in Pathology |
| Blood bank physician services for investigation of transfusion reaction with written report | Lab test | 86078 |
12 | Less often than most peers in Pathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Aaron Tobian, M.D. is a pathologist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pathology”.
NPI registry
Aaron Tobian, M.D. is listed at 600 N Wolfe St Department of Pathology, Carnegie 400, Baltimore, MD 21287. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (443) 287-0527. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Aaron Tobian, M.D.'s National Provider Identifier is 1255481263. 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
Aaron Tobian, M.D. attended Clvlnd Clinic Lerner College of Med of Case Wstn RSV University, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
Aaron Tobian, M.D. has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Aaron Tobian, M.D. performs procedures including mechanical separation of red blood cells from blood and mechanical separation of plasma from blood, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Aaron Tobian, M.D.. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.