MARIAH BLACK RN, BSN, MSN, FNP-C
NPI 1902619273
Nurse Practitioner - Family in Southborough, MA
About Mariah Black Rn, Bsn, Msn, Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIAH BLACK RN, BSN, MSN, FNP-C (NPI 1902619273) is an individual family provider in Southborough, Massachusetts, licensed in Massachusetts (RN2348576) and active in the NPI registry since January 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).
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
Mariah Black Rn, Bsn, Msn, Fnp-c 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 Mariah Black reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Worcester, MA 01606
- Reassigned Medicare billing, Massachusetts enrollment
- 718 clinicians in this Medicare group
Brentwood, TN 37027
- Reassigned Medicare billing, Massachusetts and Pennsylvania enrollments
- 15 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 01772 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.
SOUTHBOROUGH, MA 01772
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 Mariah Black's NPI number?
The NPI number for Mariah Black is 1902619273. It was assigned to this individual provider in the NPPES registry on January 29, 2025.
Where is Mariah Black located?
Mariah Black practices at 24 Newton St, Southborough, MA 01772. The listed phone number is (443) 945-3295.
What is Mariah Black's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mariah Black enrolled in Medicare?
Yes. Mariah Black 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 Mariah Black's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariah Black reassigns Medicare benefits to 2 organizations: Reliant Medical Group, Inc (Worcester, MA) and Monogram Health Professional Services PC (Brentwood, TN). 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 Mariah Black'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 Mariah Black was last updated on June 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Mariah Black, RN, BSN, MSN, FNP-C · NPI 1902619273
Family physician in Southborough, Massachusetts. Individual provider, active in the CMS NPPES registry since January 29, 2025.
## Identity
- **NPI:** 1902619273 (Entity type: Individual)
- **Enumerated:** January 29, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** RN2348576 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 24 NEWTON ST, Southborough, MA 01772-1215
- **Phone:** (443) 945-3295
## 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): Reliant Medical Group, Inc (NPI 1720017528, Worcester, MA); Monogram Health Professional Services PC (NPI 1134739089, Brentwood, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** June 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1902619273) · Data from the CMS NPPES public registry.