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DR. AARON TOBIAN M.D., PH.D.
NPI 1255481263
Pathology - Blood Banking & Transfusion Medicine in Baltimore, MD

Active since January 11, 2007PECOS Enrolled
74.39/100
CMS Quality Rating
600 N WOLFE ST, DEPARTMENT OF PATHOLOGY, CARNEGIE 400, BALTIMORE, MD 21287(443) 287-0527 Get Directions Write a Review

NPPES record last updated: December 13, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Aaron Tobian M.d., Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. AARON TOBIAN M.D., PH.D. (NPI 1255481263) is an individual blood banking & transfusion medicine provider in Baltimore, Maryland, licensed in Maryland (D0070119) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2006).

NPPES Registry Identity

NPI1255481263
Entity TypeIndividualMale
Primary Taxonomy207ZB0001X
Provider Legal NameDR. AARON TOBIANCredential: M.D., PH.D.
Location Address600 N WOLFE ST, DEPARTMENT OF PATHOLOGY, CARNEGIE 400Baltimore, MD 21287-0005
Mailing Address617 Debaugh AveTowson, MD 21204-3809 · (410) 337-7331
Phone(443) 287-0527
Sole ProprietorNo
Medical School CMSClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityGraduated 2006
Enumeration DateJanuary 11, 2007
Last NPPES UpdateDecember 13, 2023
NPPES CertifiedDecember 13, 2023
✔ NPI 1255481263 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Blood Banking & Transfusion MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207ZB0001X
License✔ Licensed in MD · D0070119
Definition
A physician who specializes in blood banking/transfusion medicine is responsible for the maintenance of an adequate blood supply, blood donor and patient-recipient safety and appropriate blood utilization. Pre-transfusion compatibility testing and antibody testing assure that blood transfusions, when indicated, are as safe as possible. This physician directs the preparation and safe use of specially prepared blood components, including red blood cells, white blood cells, platelets and plasma constituents, and marrow or stem cells for transplantation.
600 N WOLFE ST, Baltimore, MD 21287
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Aaron Tobian M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8224152921
PECOS Enrollment IDI20100902000065
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Mechanical separation of red blood cells from blood 36512
Mechanical separation of red blood cells from blood is a process where a machine separates red blood cells from the rest of your blood. This allows for detailed study of these cells, aiding in diagnosis and treatment of various blood-related conditions.
63 services26 patients
Mechanical separation of plasma from blood 36514
Mechanical separation of plasma from blood is a procedure where your blood is drawn and placed in a machine. This machine spins the blood at high speeds, separating the plasma (a yellowish fluid) from the rest of the blood components. The plasma is then collected for medical purposes.
34 services14 patients
Blood bank physician services for investigation of transfusion reaction with written report 86078
This service involves a blood bank doctor examining a patient's reaction to a blood transfusion. The doctor will conduct tests to identify the cause and provide a written report detailing the findings and recommendations for future care.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210009
Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County
Emergency services Birthing friendly

Johns Hopkins Bayview Medical Center

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210029
Location4940 Eastern AvenueBaltimore, MD 21224 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.71
Promoting Interoperability97
Improvement Activities40
Cost52.43

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PAMELA KIMZEY DONOHUE SCD, PA-C
Physician Assistant (Medical)
600 N WOLFE ST, NELSON 2-133
BALTIMORE, MD 21287
Baltimore City (410) 955-5232
MR. CHRISTOPHER DAVID SCHRIEBER M.S., PA-C
Physician Assistant
600 N WOLFE ST, MARBURG B-186
BALTIMORE, MD 21287
Baltimore City (410) 955-8708
DR. SABRINA CHRISTINE SOPHA M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-3580
SANDRA KING D.H.
Dental Hygienist
600 N WOLFE ST, BLALOCK 266
BALTIMORE, MD 21287
Baltimore City (410) 955-6662
THERESA J RUDDY C.P.N.P., CRNP
Nurse Practitioner (Acute Care)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5260
DR. SUMAN PAUL M.B.B.S, PHD
Internal Medicine (Medical Oncology)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
MS. SARAH CATHERINE COLLICA
Psychiatry & Neurology (Psychiatry)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (443) 287-4701
JEFF S EHRESMAN
Student in an Organized Health Care Education/Training Program
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Aaron Tobian's NPI number?

The NPI number for Aaron Tobian is 1255481263. It was assigned to this individual provider in the NPPES registry on January 11, 2007.

Where is Aaron Tobian located?

Aaron Tobian practices at 600 N Wolfe St Department Of Pathology, Carnegie 400, Baltimore, MD 21287. The listed phone number is (443) 287-0527.

What is Aaron Tobian's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Blood Banking & Transfusion Medicine, with taxonomy code 207ZB0001X.

Is Aaron Tobian enrolled in Medicare?

Yes. Aaron Tobian is registered in the Medicare PECOS enrollment system.

Is Aaron Tobian affiliated with any hospitals?

According to CMS data, Aaron Tobian is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.

When was this NPI record last updated?

The NPPES record for Aaron Tobian was last updated on December 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.