Marianne James Brett, LCSW
Clinical Social Worker · Tulsa, OK
Marianne James Brett, LCSW is a clinical social worker with a practice address in Tulsa, Oklahoma, and NPI 1912567132, issued on Jun 19, 2019. Check the license (Oklahoma 6731, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marianne James Brett
- Credential
- LCSW
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 6731 OK
Self-reported in NPPES; status is on the state search - Practice location
- 4815 S Harvard Ave Ste 418, Tulsa, OK 74135
- Phone
- (918) 406-2663
- Enumerated
- Jun 19, 2019
- Record last updated
- May 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190905002426); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 1,995 in Oklahoma → Look up another NPI →
Also registered at 4815 S Harvard Ave Ste 418
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jodi Yelverton, M.D.Physical Medicine & Rehabilitation Physician1801816160
Verify Marianne James Brett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 6731Check 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
- Family And Children's Services, IncTulsa, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marianne James Brett among 1,995 clinical social worker records in Oklahoma
Marianne James Brett, LCSW is one of 1,995 clinical social worker records with a practice address in Oklahoma. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 77% of them.
- NPI issued2019 · 77% of these records are older, 19% newer
- In a Medicare fileYes · 13% of these records are
- In the CMS Doctors and Clinicians fileYes · 20% of these records are
- Graduated2007 · median 2010 among the 393 with a school on file
- Record last updated2020 · 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 1041C0700X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
483 clinical social worker records list a practice address in Tulsa
They are 483 of the 18,643 NPPES records with a practice address in Tulsa, and 1,995 clinical social worker records in Oklahoma.
All 1,995 in Oklahoma → Every provider in Tulsa → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Yodit Betru, MSWTulsa, OK 741351033151311
- Vicky Brown, LCSWTulsa, OK 741351831232453
- Mary Cameris, LCSWTulsa, OK 741351578634036
- Lisa Hart, LCSWTulsa, OK 741351215000401
- Kimberly Hill-Crowell, MSWTulsa, OK 741351962623066
- Amy Hogan, LCSWTulsa, OK 741351316167513
- Samuel Horton, MSW,LCSW, LMFTTulsa, OK 741351548344831
- Rachel Long, MSWTulsa, OK 741351689694234
Common questions
What is Marianne James Brett, LCSW's NPI number?
Marianne James Brett, LCSW's National Provider Identifier (NPI) is 1912567132, issued on Jun 19, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Marianne James Brett, LCSW located?
The NPPES record lists a practice address at 4815 S Harvard Ave Ste 418, Tulsa, OK, 74135. Phone: (918) 406-2663. Providers update this record themselves, so call before visiting.
How can I verify Marianne James Brett, LCSW's license?
NPPES lists Oklahoma license number 6731, as entered by the provider. Search the Oklahoma 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.