Catherine O'Day, LCSW
Clinical Social Worker · Boulder, CO
Catherine O'Day, LCSW is a clinical social worker with a practice address in Boulder, Colorado, and NPI 1649486218, issued on May 14, 2007. Check the license (Colorado CSW.00992713, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine O'Day
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- CSW.00992713 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1333 Iris Ave, Boulder, CO 80304
- Phone
- (303) 443-8500
- Enumerated
- May 14, 2007
- Record last updated
- Nov 10, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141118001557); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 7,356 in Colorado → Look up another NPI →
Also registered at 1333 Iris Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine O'Day in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license CSW.00992713Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Rocky Mountain Primary Care , PCWestminster, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine O'Day among 7,356 clinical social worker records in Colorado
Catherine O'Day, LCSW is one of 7,356 clinical social worker records with a practice address in Colorado. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 8% of them.
- NPI issued2007 · 8% of these records are older, 83% newer
- In a Medicare fileYes · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated2007 · median 2014 among the 1,575 with a school on file
- Record last updated2015 · 46% 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 Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
316 clinical social worker records list a practice address in Boulder
They are 316 of the 5,635 NPPES records with a practice address in Boulder, and 7,356 clinical social worker records in Colorado.
All 7,356 in Colorado → Every provider in Boulder → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Gerald Bennett, LCSWBoulder, CO 803041922160134
- Debora Bryant, MSW, LCSWBoulder, CO 803041073676268
- Alida Fischer, L.C.S.W., CAC LLLBoulder, CO 803041992868541
- Gwendolyn Gielow, LCSWBoulder, CO 803041689730483
- Rebecca HoytBoulder, CO 803041780752790
- Theresa Jeannette-Palermo, LCSWBoulder, CO 803041194873646
- Charlotte Krasnoff, LCSWBoulder, CO 803041164532933
- Peter Lear, MSW LCSW, LACBoulder, CO 803041467525709
Common questions
What is Catherine O'Day, LCSW's NPI number?
Catherine O'Day, LCSW's National Provider Identifier (NPI) is 1649486218, issued on May 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Catherine O'Day, LCSW located?
The NPPES record lists a practice address at 1333 Iris Ave, Boulder, CO, 80304. Phone: (303) 443-8500. Providers update this record themselves, so call before visiting.
How can I verify Catherine O'Day, LCSW's license?
NPPES lists Colorado license number CSW.00992713, 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.
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.