NPPES file of Aug 9, 2026

Mary Helen Riddle, NP

Family Nurse Practitioner · Providence, RI

Mary Helen Riddle, NP is a family nurse practitioner with a practice address in Providence, Rhode Island, and NPI 1952814097, issued on Nov 12, 2017. Check the license (Rhode Island APRN02535, as entered in NPPES) with the Rhode Island 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
1952814097
Name
Mary Helen Riddle
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
APRN02535 RI
APRN04457 RI
Self-reported in NPPES; status is on the state search
Practice location
1 Blackstone Street, Providence, RI 02903
Phone
(401) 453-7520
Enumerated
Nov 12, 2017
Record last updated
Mar 27, 2025
Fax
(401) 453-7529
Medicare enrollment
Enrolled (PECOS I20210714002933); 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 791 in Rhode Island → Look up another NPI →

Also registered at 1 Blackstone Street

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

  1. Marcina Beaston-Casey, MS, CGCGenetic Counselor (M.S.)1548023203
  2. Ariana Carvajal, WHNPWomen's Health Nurse Practitioner1912438581
  3. Stephanie Cheves, NPGerontology Nurse Practitioner1376136077
  4. Marc Houle, PTPhysical Therapist1578574893
  5. Mohammed Jaloudi, MDMedical Oncology Physician1194249565
  6. Cara Mathews, MDObstetrics & Gynecology Physician1659540490

Verify Mary Helen Riddle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Rhode Island board licenses this profession
    Search for license APRN02535    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 Rhode Island 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 3 group practices

  1. Affinity Physicians LLC.Providence, RI
  2. Memorial Medical Consultation GroupNew York, NY
  3. Memorial Psychiatry GroupNew York, NY

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

Mary Helen Riddle among 791 family nurse practitioner records in Rhode Island

Mary Helen Riddle, NP is one of 791 family nurse practitioner records with a practice address in Rhode Island. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 40% of them.

  • NPI issued2017 · 40% of these records are older, 56% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2016 · median 2019 among the 478 with a school on file
  • Record last updated2025 · 33% 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 Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

230 family nurse practitioner records list a practice address in Providence

They are 230 of the 9,647 NPPES records with a practice address in Providence, and 791 family nurse practitioner records in Rhode Island.

All 791 in Rhode Island → Every provider in Providence → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Brenda Azar, FNPProvidence, RI 029031245219898
  2. Constance Chang, NP.Providence, RI 029031538460159
  3. Nicole Coggins, PMHNPProvidence, RI 029031356723548
  4. Gerald Dornhecker, RNPProvidence, RI 029031306994538
  5. Sherrye Durante, FNPProvidence, RI 029031578982245
  6. Debora Durkin, R.N.P.Providence, RI 029031033163209
  7. Lauren Gallagher, N.P.Providence, RI 029031558612051
  8. Allison JonesProvidence, RI 029031245644459

Common questions

What is Mary Helen Riddle, NP's NPI number?

Mary Helen Riddle, NP's National Provider Identifier (NPI) is 1952814097, issued on Nov 12, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Mary Helen Riddle, NP located?

The NPPES record lists a practice address at 1 Blackstone Street, Providence, RI, 02903. Phone: (401) 453-7520. Providers update this record themselves, so call before visiting.

How can I verify Mary Helen Riddle, NP's license?

NPPES lists Rhode Island license number APRN02535, as entered by the provider. Search the Rhode Island 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.