NPPES file of Aug 9, 2026

Darren William Holowka, PH.D.

Clinical Psychologist · East Providence, RI

Darren William Holowka, PH.D. is a clinical psychologist with a practice address in East Providence, Rhode Island, and NPI 1104187251, issued on Jun 6, 2012. Check the license (Rhode Island PS01423, as entered in NPPES) with the Rhode Island board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1104187251
Name
Darren William Holowka
Credential
PH.D.
Primary taxonomy
Clinical Psychologist 103TC0700X
License number
PS01423 RI
Self-reported in NPPES; status is on the state search
Practice location
172 Taunton Ave Ste 208, East Providence, RI 02914
Phone
(401) 450-0729
Enumerated
Jun 6, 2012
Record last updated
Nov 22, 2023
Fax
(401) 537-1830
Medicare enrollment
Enrolled (PECOS I20140402001494); 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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8 nearest clinical psychologist records → All 510 in Rhode Island → Look up another NPI →

Verify Darren William Holowka 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 PS01423    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

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Darren William Holowka among 510 clinical psychologist records in Rhode Island

Darren William Holowka, PH.D. is one of 510 clinical psychologist records with a practice address in Rhode Island. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2012, is newer than 51% of them.

  • NPI issued2012 · 51% of these records are older, 46% newer
  • In a Medicare fileNo · 19% of these records are
  • In the CMS Doctors and Clinicians fileYes · 27% of these records are
  • Graduated2008 · median 2013 among the 137 with a school on file
  • Record last updated2023 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

38 clinical psychologist records list a practice address in East Providence

They are 38 of the 779 NPPES records with a practice address in East Providence, and 510 clinical psychologist records in Rhode Island. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 510 in Rhode Island → Every provider in East Providence → Clinical Psychologist nationwide →

The 8 clinical psychologist records with the nearest ZIP codes

  1. Hannah Boettcher, PHDEast Providence, RI 029141780180943
  2. Julie Braciszewski, PH.D.East Providence, RI 029141487887733
  3. Jessica Cappellano, PH.D.East Providence, RI 029141538612148
  4. Patricia Engler, PHDEast Providence, RI 029141144591876
  5. Alison Goldblatt, PHDEast Providence, RI 029141063908861
  6. Jill Henley, PSY.D.East Providence, RI 029141306327614
  7. Ethan Moitra, PH.D.East Providence, RI 029141699046276
  8. Cara Murphy, PHDEast Providence, RI 029141093296089

Common questions

What is Darren William Holowka, PH.D.'s NPI number?

Darren William Holowka, PH.D.'s National Provider Identifier (NPI) is 1104187251, issued on Jun 6, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Darren William Holowka, PH.D. located?

The NPPES record lists a practice address at 172 Taunton Ave Ste 208, East Providence, RI, 02914. Phone: (401) 450-0729. Providers update this record themselves, so call before visiting.

How can I verify Darren William Holowka, PH.D.'s license?

NPPES lists Rhode Island license number PS01423, 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. 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.