MARGARET WALSH DONNINI CRNP
NPI 1871806661
Nurse Practitioner in Baltimore, MD
About Margaret Walsh Donnini Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET WALSH DONNINI CRNP (NPI 1871806661) is an individual nurse practitioner in Baltimore, Maryland, licensed in Maryland (R171075) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center Inc, and is a graduate of Other (2010).
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
Margaret Walsh Donnini Crnp 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 Margaret Walsh Donnini reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21202
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: St Paul Place Specialists, Inc.
- 423 clinicians in this Medicare group
Baltimore, MD 21202
- Reassigned Medicare billing, Maryland enrollment
- 257 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 2
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.
Mercy Medical Center Inc
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21202 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 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
BALTIMORE, MD 21202
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 Margaret Walsh Donnini's NPI number?
The NPI number for Margaret Walsh Donnini is 1871806661. It was assigned to this individual provider in the NPPES registry on July 21, 2010.
Where is Margaret Walsh Donnini located?
Margaret Walsh Donnini practices at 345 St. Paul Place Icu - 9th Floor, Baltimore, MD 21202. The listed phone number is (410) 332-9610.
What is Margaret Walsh Donnini's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Margaret Walsh Donnini enrolled in Medicare?
Yes. Margaret Walsh Donnini 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 Margaret Walsh Donnini's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Walsh Donnini reassigns Medicare benefits to 2 organizations: Saint Paul Place Specialists, Inc. (Baltimore, MD) and Maryland Family Care, Inc. (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 Margaret Walsh Donnini's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Margaret Walsh Donnini affiliated with any hospitals?
According to CMS data, Margaret Walsh Donnini is affiliated with Mercy Medical Center Inc.
When was this NPI record last updated?
The NPPES record for Margaret Walsh Donnini was last updated on November 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Margaret Walsh Donnini, CRNP · NPI 1871806661
Nurse Practitioner physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since July 21, 2010.
## Identity
- **NPI:** 1871806661 (Entity type: Individual)
- **Enumerated:** July 21, 2010
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** R171075 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 345 ST. PAUL PLACE, ICU - 9TH FLOOR, Baltimore, MD 21202-2102
- **Phone:** (410) 332-9610
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): Saint Paul Place Specialists, Inc. (NPI 1053352070, Baltimore, MD); Maryland Family Care, Inc. (NPI 1598718256, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** November 24, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1871806661) · Data from the CMS NPPES public registry.