MICHAEL T. O'MALLEY MD
NPI 1013051499
Pathology - Anatomic Pathology & Clinical Pathology in Baltimore, MD
About Michael T. O'malley Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL T. O'MALLEY MD (NPI 1013051499) is an individual anatomic pathology & clinical pathology provider in Baltimore, Maryland, licensed in Maryland (D68447) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Sinai Hospital Of Baltimore, and is a graduate of University Of Maryland School Of Medicine (2005).
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 and accepts Medicare assignment
Michael T. O'malley Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Michael O'malley reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21229
- Reassigned Medicare billing, Maryland enrollment
- 20 clinicians in this Medicare group
Baltimore, MD 21229
- Reassigned Medicare billing, Maryland enrollment
- 22 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 22
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sinai Hospital Of Baltimore
Acute Care Hospitals · Baltimore, MDCarroll Hospital Center
Acute Care Hospitals · Westminster, MDNorthwest Hospital Center
Acute Care Hospitals · Randallstown, MDLevindale Hebrew Geriatric Center And Hospital
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21215 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 21215
BALTIMORE, MD 21215
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 Michael O'malley's NPI number?
The NPI number for Michael O'malley is 1013051499. It was assigned to this individual provider in the NPPES registry on February 17, 2007.
Where is Michael O'malley located?
Michael O'malley practices at 2401 W Belvedere Ave, Baltimore, MD 21215. The listed phone number is (410) 644-4379.
What is Michael O'malley's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Michael O'malley enrolled in Medicare?
Yes. Michael O'malley is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Michael O'malley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael O'malley reassigns Medicare benefits to 2 organizations: Drs Hicken Cranley Taylor PA (Baltimore, MD) and Hct Pathology Services LLC (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 Michael O'malley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael O'malley affiliated with any hospitals?
According to CMS data, Michael O'malley is affiliated with Sinai Hospital Of Baltimore, Carroll Hospital Center, Northwest Hospital Center and Levindale Hebrew Geriatric Center And Hospital.
When was this NPI record last updated?
The NPPES record for Michael O'malley was last updated on December 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.