DR. ALEXANDER BARAS M.D., PH.D.
NPI 1659662948
Pathology - Anatomic Pathology in Baltimore, MD
About Dr. Alexander Baras M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER BARAS M.D., PH.D. (NPI 1659662948) is an individual anatomic pathology provider in Baltimore, Maryland, licensed in Maryland (7623) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of University Of Virginia School Of Medicine (2011).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Alexander Baras M.d., Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Alexander Baras reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21287
- Reassigned Medicare billing, District of Columbia enrollment
- 62 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Hospital, The
Acute Care Hospitals · Baltimore, MDPhysician 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.
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.
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.
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
BALTIMORE, MD 21287
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 Alexander Baras's NPI number?
The NPI number for Alexander Baras is 1659662948. It was assigned to this individual provider in the NPPES registry on April 21, 2011.
Where is Alexander Baras located?
Alexander Baras practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-3439.
What is Alexander Baras's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology, with taxonomy code 207ZP0101X.
Is Alexander Baras enrolled in Medicare?
Yes. Alexander Baras is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Alexander Baras's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Baras reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Johns Hopkins University (Baltimore, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Baras's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Baras affiliated with any hospitals?
According to CMS data, Alexander Baras is affiliated with Johns Hopkins Hospital, The.
When was this NPI record last updated?
The NPPES record for Alexander Baras was last updated on April 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Alexander Baras, M.D., PH.D. · NPI 1659662948
Anatomic Pathology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since April 21, 2011.
## Identity
- **NPI:** 1659662948 (Entity type: Individual)
- **Enumerated:** April 21, 2011
- **Primary specialty:** Pathology - Anatomic Pathology · taxonomy 207ZP0101X
- **State license:** 7623 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 600 N WOLFE ST, Baltimore, MD 21287-0005
- **Phone:** (410) 955-3439
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1477540904, Baltimore, MD); Johns Hopkins University (NPI 1023018413, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Virginia School Of Medicine, class of 2011
## Record status
- **NPPES last updated:** April 21, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1659662948) · Data from the CMS NPPES public registry.