Jennifer Leosz Marriott
Clinical Social Worker · Boulder, CO
Jennifer Leosz Marriott is a clinical social worker with a practice address in Boulder, Colorado, and NPI 1578611869, issued on Jan 5, 2007. Check the license (Colorado 991881, as entered in NPPES) with the Colorado board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Jennifer Leosz Marriott
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 991881 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1333 Iris Ave, Boulder, CO 80304
- Phone
- (303) 413-6217
- Enumerated
- Jan 5, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- 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 Jennifer Leosz Marriott in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 991881Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Jennifer Leosz Marriott among 7,356 clinical social worker records in Colorado
Jennifer Leosz Marriott 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 not. Its NPI, issued in 2007, is newer than 8% of them.
- NPI issued2007 · 8% of these records are older, 83% newer
- In a Medicare fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileNo · 21% of these records are
- Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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 Jennifer Leosz Marriott's NPI number?
Jennifer Leosz Marriott's National Provider Identifier (NPI) is 1578611869, issued on Jan 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Leosz Marriott located?
The NPPES record lists a practice address at 1333 Iris Ave, Boulder, CO, 80304. Phone: (303) 413-6217. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Leosz Marriott's license?
NPPES lists Colorado license number 991881, 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. 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.