NPPES file of Aug 9, 2026

Thomas Sean O'Toole, MHP

Mental Health Counselor · Denver, CO

Thomas Sean O'Toole, MHP is a mental health counselor with a practice address in Denver, Colorado, and NPI 1548732209, issued on Dec 19, 2018. Check the license (Colorado CSW.09929655, as entered in NPPES) with the Colorado 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
1548732209
Name
Thomas Sean O'Toole
Credential
MHP
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
CSW.09929655 CO
Self-reported in NPPES; status is on the state search
Practice location
2130 Stout St, Denver, CO 80205
Phone
(303) 293-2220
Enumerated
Dec 19, 2018
Record last updated
Dec 4, 2023
Fax
(303) 296-8826
Medicare enrollment
Enrolled (PECOS I20240105004023); may accept 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.
Download card Updates feed

8 nearest mental health counselor records → All 8,626 in Colorado → Look up another NPI →

Also registered at 2130 Stout St

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

  1. Victoria AbbeyClinical Social Worker1942781174
  2. Jennifer Adams, MDInternal Medicine Physician1386663946
  3. Cristina ArballoMental Health Counselor1720971708
  4. Jacob Arrowsmith, LPCCMental Health Counselor1912749110
  5. Sarah Axelrath, MDInternal Medicine Physician1497285647
  6. Hannah Bass, RNRegistered Nurse1992271746

Verify Thomas Sean O'Toole in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license CSW.09929655    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 Colorado 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Colorado Coalition For The HomelessDenver, CO

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

Thomas Sean O'Toole among 8,626 mental health counselor records in Colorado

Thomas Sean O'Toole, MHP is one of 8,626 mental health counselor records with a practice address in Colorado. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 50% of them.

  • NPI issued2018 · 50% of these records are older, 46% newer
  • In a Medicare fileYes · 4% of these records are
  • In the CMS Doctors and Clinicians fileYes · 7% of these records are
  • Graduated2015 · median 2017 among the 571 with a school on file
  • Record last updated2023 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,587 mental health counselor records list a practice address in Denver

They are 1,587 of the 25,068 NPPES records with a practice address in Denver, and 8,626 mental health counselor records in Colorado.

All 8,626 in Colorado → Every provider in Denver → Mental Health Counselor nationwide →

The 8 mental health counselor records with the nearest ZIP codes

  1. Heather Beck, MACDenver, CO 802051396094785
  2. Priscilla Burnett, MADenver, CO 802051609906940
  3. Chavone Crespo, LHMC, LPCDenver, CO 802051528481520
  4. Marlene DealDenver, CO 802051750409033
  5. Kelly Eisentraut, MSDenver, CO 802051720347925
  6. Jason Engelkemier, MADenver, CO 802051922377332
  7. Alex EspinozaDenver, CO 802051023305604
  8. Aileen Johnson, BADenver, CO 802051215192448

Common questions

What is Thomas Sean O'Toole, MHP's NPI number?

Thomas Sean O'Toole, MHP's National Provider Identifier (NPI) is 1548732209, issued on Dec 19, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Sean O'Toole, MHP located?

The NPPES record lists a practice address at 2130 Stout St, Denver, CO, 80205. Phone: (303) 293-2220. Providers update this record themselves, so call before visiting.

How can I verify Thomas Sean O'Toole, MHP's license?

NPPES lists Colorado license number CSW.09929655, as entered by the provider. Search the Colorado 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.