MARGARET MOON M.D.
NPI 1871545525
Pediatrics in Baltimore, MD
About Margaret Moon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET MOON M.D. (NPI 1871545525) is an individual pediatrics provider in Baltimore, Maryland, licensed in Maryland (D44771) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Margaret Moon M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Margaret Moon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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.
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.
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 Margaret Moon's NPI number?
The NPI number for Margaret Moon is 1871545525. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Margaret Moon located?
Margaret Moon practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-2000.
What is Margaret Moon's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Margaret Moon enrolled in Medicare?
Yes. Margaret Moon is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Margaret Moon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Moon reassigns Medicare benefits to Johns Hopkins University (Baltimore, MD). The 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 Moon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Margaret Moon was last updated on December 17, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 Moon, M.D. · NPI 1871545525
Pediatrics physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since May 17, 2006.
## Identity
- **NPI:** 1871545525 (Entity type: Individual)
- **Enumerated:** May 17, 2006
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** D44771 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 N WOLFE ST, Baltimore, MD 21287-0005
- **Phone:** (410) 955-2000
## 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:** Johns Hopkins University (NPI 1023018413, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 17, 2012
- **Other identifiers:** Medicaid 643621800 (MD); Medicare UPIN F64728 (MD); Medicare PIN KR47J676 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1871545525) · Data from the CMS NPPES public registry.