NPPES file of Aug 9, 2026

Dylan Ross Williams, RN, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner · Mansfield Center, CT

Dylan Ross Williams, RN, PMHNP-BC is a psychiatric/mental health nurse practitioner with a practice address in Mansfield Center, Connecticut, and NPI 1548948912, issued on Jul 6, 2023. Check the license (Connecticut 12.012278, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1548948912
Name
Dylan Ross Williams
Credential
RN, PMHNP-BC
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
12.012278 CT
10.187370 CT
Self-reported in NPPES; status is on the state search
Practice location
189 Storrs RD, Mansfield Center, CT 06250
Phone
(203) 214-6636
Enumerated
Jul 6, 2023
Record last updated
Aug 30, 2023
Medicare enrollment
Enrolled (PECOS I20231024002686); 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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Also registered at 189 Storrs RD

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

  1. Taiwo Alonge, MD, MPHPsychiatry Physician1003498452
  2. Cheryl Armstrong, R.N.Registered Nurse1184926578
  3. Katherine Arzt, MA, MT, LPCProfessional Counselor1508005539
  4. Ayotunde Ayobello, M.DChild & Adolescent Psychiatry Physician1700317575
  5. Claire Bemis, MSWSocial Worker1821318692
  6. Jamie Blodgett, LCSWCounselor1790381531

Verify Dylan Ross Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
    Search for license 12.012278
    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 Connecticut 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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60% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

363 Medicare Part D claims for 45 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Dylan Williams363
  2. Specialty average906

Most prescribed

  1. Buprenorphine-Naloxone47 claims
  2. Quetiapine Fumarate37 claims
  3. Escitalopram Oxalate25 claims
  4. Trazodone Hcl25 claims
  5. Clonazepam21 claims
  6. Gabapentin19 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $63.16

2 payments; by number, the most common kind was food and beverage; the largest payer was Indivior Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dylan Williams$63.16
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Natchaug Hospital, IncMansfield Center, CT

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

Dylan Ross Williams among 1,108 psychiatric/mental health nurse practitioner records in Connecticut

Dylan Ross Williams, RN, PMHNP-BC is one of 1,108 psychiatric/mental health nurse practitioner records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 74% of them.

  • NPI issued2023 · 74% of these records are older, 19% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated2023 · median 2020 among the 566 with a school on file
  • Record last updated2023 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 psychiatric/mental health nurse practitioner records list a practice address in Mansfield Center

They are 13 of the 295 NPPES records with a practice address in Mansfield Center, and 1,108 psychiatric/mental health nurse practitioner records in Connecticut.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Julia CizeskiMansfield Center, CT 062501629642897
  2. Cheryl Cohen, PMHNP-BC, L.M.F.TMansfield Center, CT 062501700087657
  3. Claire Ellerbrock, APRNMansfield Center, CT 062501669995544
  4. Heather Evans, PHD, PMHNP-BC, RNMansfield Center, CT 062501669108890
  5. Katie Feeney, MSN, PMHNP-BCMansfield Center, CT 062501033693213
  6. Emily FolanMansfield Center, CT 062501255172706
  7. Kristine Holland, APRNMansfield Center, CT 062501649951195
  8. Wioletta Hryszan, PMHNP-BCMansfield Center, CT 062501720305113

Common questions

What is Dylan Ross Williams, RN, PMHNP-BC's NPI number?

Dylan Ross Williams, RN, PMHNP-BC's National Provider Identifier (NPI) is 1548948912, issued on Jul 6, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Dylan Ross Williams, RN, PMHNP-BC located?

The NPPES record lists a practice address at 189 Storrs RD, Mansfield Center, CT, 06250. Phone: (203) 214-6636. Providers update this record themselves, so call before visiting.

How can I verify Dylan Ross Williams, RN, PMHNP-BC's license?

NPPES lists Connecticut license number 12.012278, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.

How much does Dylan Ross Williams, RN, PMHNP-BC prescribe under Medicare Part D?

In 2024, Dylan Ross Williams, RN, PMHNP-BC had 363 Medicare Part D claims for 45 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions 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.