MARY MOSAAD CRNA
NPI 1457712242
Nurse Anesthetist, Certified Registered in Hagerstown, MD
About Mary Mosaad Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY MOSAAD CRNA (NPI 1457712242) is an individual nurse anesthetist, certified registered in Hagerstown, Maryland, licensed in Maryland (R172133) and active in the NPI registry since March 2016. She is affiliated with Meritus Medical Center, maintains a secondary practice location in Baltimore, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Mary Mosaad Crna 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
4Medicare enrollment records show Mary Mosaad reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hagerstown, MD 21742
- Reassigned Medicare billing, Maryland enrollment
- 311 clinicians in this Medicare group
Columbia, MD 21044
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Columbia, MD 21046
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 717 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, Maryland enrollment
- 548 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
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Meritus Medical Center
Acute Care Hospitals · Hagerstown, MDFrederick Health Hospital
Acute Care Hospitals · Frederick, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21742 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.
HAGERSTOWN, MD 21742
HAGERSTOWN, MD 21742
HAGERSTOWN, MD 21742
HAGERSTOWN, MD 21742
HAGERSTOWN, MD 21742
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 Mary Mosaad's NPI number?
The NPI number for Mary Mosaad is 1457712242. It was assigned to this individual provider in the NPPES registry on March 8, 2016.
Where is Mary Mosaad located?
Mary Mosaad practices at 11116 Medical Campus Rd, Hagerstown, MD 21742. The listed phone number is (301) 790-8000.
What is Mary Mosaad's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mary Mosaad enrolled in Medicare?
Yes. Mary Mosaad 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 Mary Mosaad's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Mosaad reassigns Medicare benefits to 4 organizations: Meritus Medical Center Inc (Hagerstown, MD), Johns Hopkins University (Columbia, MD), First Colonies Anesthesia Associates, LLC (Columbia, MD) and Anesthesia Company, LLC (Annapolis, 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 Mary Mosaad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mary Mosaad affiliated with any hospitals?
According to CMS data, Mary Mosaad is affiliated with Meritus Medical Center and Frederick Health Hospital.
When was this NPI record last updated?
The NPPES record for Mary Mosaad was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Mary Mosaad, CRNA · NPI 1457712242
Nurse Anesthetist, Certified Registered physician in Hagerstown, Maryland. Individual provider, active in the CMS NPPES registry since March 8, 2016.
## Identity
- **NPI:** 1457712242 (Entity type: Individual)
- **Enumerated:** March 8, 2016
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** R172133 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 11116 MEDICAL CAMPUS RD, Hagerstown, MD 21742-6710
- **Phone:** (301) 790-8000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Meritus Medical Center Inc (NPI 1508632191, Hagerstown, MD); Johns Hopkins University (NPI 1285453795, Columbia, MD); First Colonies Anesthesia Associates, LLC (NPI 1740218767, Columbia, MD); Anesthesia Company, LLC (NPI 1871548156, Annapolis, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** March 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1457712242) · Data from the CMS NPPES public registry.