MAYRA GRIGGS CNM
NPI 1598915829
Advanced Practice Midwife in Baltimore, MD
About Mayra Griggs Cnm NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAYRA GRIGGS CNM (NPI 1598915829) is an individual advanced practice midwife in Baltimore, Maryland, licensed in Maryland (R178754) and active in the NPI registry since September 2008. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mayra Griggs Cnm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Mayra Griggs 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, Maryland enrollment
- 4,483 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 966 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 21201 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 21201
BALTIMORE, MD 21201
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 Mayra Griggs's NPI number?
The NPI number for Mayra Griggs is 1598915829. It was assigned to this individual provider in the NPPES registry on September 23, 2008.
Where is Mayra Griggs located?
Mayra Griggs practices at 827 Linden Ave, Baltimore, MD 21201. The listed phone number is (410) 225-8000.
What is Mayra Griggs's specialty?
The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.
Is Mayra Griggs enrolled in Medicare?
Yes. Mayra Griggs is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mayra Griggs's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mayra Griggs reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and University Of Maryland Community Medical Group, 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 Mayra Griggs'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 Mayra Griggs was last updated on January 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Mayra Griggs, CNM · NPI 1598915829
Advanced Practice Midwife physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since September 23, 2008.
## Identity
- **NPI:** 1598915829 (Entity type: Individual)
- **Enumerated:** September 23, 2008
- **Primary specialty:** Advanced Practice Midwife · taxonomy 367A00000X
- **State license:** R178754 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 827 LINDEN AVE, Baltimore, MD 21201-4606
- **Phone:** (410) 225-8000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1295731966, Baltimore, MD); University Of Maryland Community Medical Group, Inc. (NPI 1477530624, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 31, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1598915829) · Data from the CMS NPPES public registry.