NPPES file of Aug 9, 2026

Mariah Black, RN, BSN, MSN, FNP-C

Family Nurse Practitioner · Southborough, MA

Mariah Black, RN, BSN, MSN, FNP-C is a family nurse practitioner with a practice address in Southborough, Massachusetts, and NPI 1902619273, issued on Jan 29, 2025. Check the license (Massachusetts RN2348576, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902619273
Name
Mariah Black
Credential
RN, BSN, MSN, FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
RN2348576 MA
Self-reported in NPPES; status is on the state search
Practice location
24 Newton St, Southborough, MA 01772
Phone
(443) 945-3295
Enumerated
Jan 29, 2025
Record last updated
Jun 3, 2025
Medicare enrollment
Enrolled (PECOS I20250327002368); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →

Also registered at 24 Newton St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Christine Abraham, NPFamily Nurse Practitioner1215774658
  2. Namra ArifPsychologist1750865077
  3. Elizabeth Askew, O.D.Optometrist1427078120
  4. Iphigenia Balodimos, M.D.Obstetrics & Gynecology Physician1619900685
  5. Matthew Bean, M.D.Internal Medicine Physician1730107244
  6. Sarah Bechta, M.D.Pediatrics Physician1932124427

Verify Mariah Black in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license RN2348576    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Reliant Medical Group IncSouthborough, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mariah Black among 4,724 family nurse practitioner records in Massachusetts

Mariah Black, RN, BSN, MSN, FNP-C is one of 4,724 family nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 92% of them.

  • NPI issued2025 · 92% of these records are older, 3% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2025 · median 2019 among the 2,704 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 family nurse practitioner records list a practice address in Southborough

They are 16 of the 481 NPPES records with a practice address in Southborough, and 4,724 family nurse practitioner records in Massachusetts.

All 4,724 in Massachusetts → Every provider in Southborough → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Christine Abraham, NPSouthborough, MA 017721215774658
  2. Lauren Botelho, MSN, FNP-BC, RD, LDNSouthborough, MA 017721346600475
  3. Brittany ClockerSouthborough, MA 017721982274692
  4. Kayleigh ComerSouthborough, MA 017721942010491
  5. Natalie Danilecki, APRN, FNP-BCSouthborough, MA 017721780491696
  6. Brooke EliopoulosSouthborough, MA 017721104631423
  7. Carol Mitchell-Boudreau, FNP-BCSouthborough, MA 017721962705236
  8. Reham Mousa, NP, DNPSouthborough, MA 017721093571820

Common questions

What is Mariah Black, RN, BSN, MSN, FNP-C's NPI number?

Mariah Black, RN, BSN, MSN, FNP-C's National Provider Identifier (NPI) is 1902619273, issued on Jan 29, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Mariah Black, RN, BSN, MSN, FNP-C located?

The NPPES record lists a practice address at 24 Newton St, Southborough, MA, 01772. Phone: (443) 945-3295. Providers update this record themselves, so call before visiting.

How can I verify Mariah Black, RN, BSN, MSN, FNP-C's license?

NPPES lists Massachusetts license number RN2348576, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.