NPPES file of Aug 9, 2026

Mary Sullivan-Ritter

Clinical Social Worker · Wilmington, DE

Mary Sullivan-Ritter is a clinical social worker with a practice address in Wilmington, Delaware, and NPI 1710710421, issued on Aug 20, 2024. Check the license (Delaware Q1-0012545, as entered in NPPES) with the Delaware 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
1710710421
Name
Mary Sullivan-Ritter
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
Q1-0012545 DE
Self-reported in NPPES; status is on the state search
Practice location
99 Passmore RD, Wilmington, DE 19803
Phone
(302) 478-9411
Enumerated
Aug 20, 2024
Record last updated
Aug 20, 2024
Medicare enrollment
Enrolled (PECOS I20240926000767); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Also registered at 99 Passmore RD

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

  1. Marsha Akoto, LPCMH, NCCMental Health Counselor1821873027
  2. Maria Ash, CRNPGerontology Nurse Practitioner1497889323
  3. Emily BarnshawClinical Social Worker1184367898
  4. Laura Dickol, LCSWClinical Social Worker1720804545
  5. Kristin Froehlich, LCSWClinical Social Worker1518296383
  6. Danielle Mazzuca, PA-CPhysician Assistant1770093064

Verify Mary Sullivan-Ritter in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Delaware board licenses this profession
    Search for license Q1-0012545
    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 Delaware 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. Jewish Family Services OF DelawareWilmington, DE

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

Mary Sullivan-Ritter among 935 clinical social worker records in Delaware

Mary Sullivan-Ritter is one of 935 clinical social worker records with a practice address in Delaware. 17% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 92% of them.

  • NPI issued2024 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 17% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated2022 · median 2006 among the 253 with a school on file
  • Record last updated2024 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

345 clinical social worker records list a practice address in Wilmington

They are 345 of the 6,291 NPPES records with a practice address in Wilmington, and 935 clinical social worker records in Delaware.

The 8 clinical social worker records with the nearest ZIP codes

  1. Oya Alatur, L.C.S.W.Wilmington, DE 198031477563393
  2. Sallie Anderson, MSW LCSWWilmington, DE 198031073500708
  3. Susan Barton, LCSWWilmington, DE 198031518939271
  4. Russel Buskirk, LCSW, LCDPWilmington, DE 198031619015179
  5. Pauline Dempsey, LCSWWilmington, DE 198031710928668
  6. Rachel Eidelman, M.S.W.Wilmington, DE 198031134280332
  7. Martha Frost, L.C.S.W.Wilmington, DE 198031225048150
  8. Debra Haley, LCSWWilmington, DE 198031346390333

Common questions

What is Mary Sullivan-Ritter's NPI number?

Mary Sullivan-Ritter's National Provider Identifier (NPI) is 1710710421, issued on Aug 20, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Mary Sullivan-Ritter located?

The NPPES record lists a practice address at 99 Passmore RD, Wilmington, DE, 19803. Phone: (302) 478-9411. Providers update this record themselves, so call before visiting.

How can I verify Mary Sullivan-Ritter's license?

NPPES lists Delaware license number Q1-0012545, as entered by the provider. Search the Delaware 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.

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.