NPPES file of Aug 9, 2026

William James List, LCSW

Clinical Social Worker · Tulsa, OK

William James List, LCSW is a clinical social worker with a practice address in Tulsa, Oklahoma, and NPI 1639448079, issued on Dec 14, 2011. Check the license (Oklahoma 6165, as entered in NPPES) with the Oklahoma 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
1639448079
Name
William James List
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
6165 OK
Self-reported in NPPES; status is on the state search
Practice location
1620 E 12TH St, Tulsa, OK 74120
Phone
(918) 588-8888
Enumerated
Dec 14, 2011
Record last updated
Mar 5, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180307000827); 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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Also registered at 1620 E 12TH St

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

  1. Mary BillsAddiction (Substance Use Disorder) Counselor1487983359
  2. Dee Bohl, LPCAddiction (Substance Use Disorder) Counselor1770604886
  3. Janet Bond, M.S. LPCSchool Psychologist1922268069
  4. Dejrah Bradley, LCSWClinical Social Worker1598350795
  5. Audrey Bryan, LCSWClinical Social Worker1235319864
  6. Rosemarie CappsSocial Worker1518235019

Verify William James List in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
    Search for license 6165
    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 Oklahoma 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.

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Bills Medicare through one group practice

  1. Parkside, Inc.Tulsa, OK

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

William James List among 1,995 clinical social worker records in Oklahoma

William James List, 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 2011, is newer than 42% of them.

  • NPI issued2011 · 42% of these records are older, 53% newer
  • In a Medicare fileYes · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 20% of these records are
  • Graduated1990 · median 2010 among the 393 with a school on file
  • Record last updated2018 · 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.

The 8 clinical social worker records with the nearest ZIP codes

  1. Claudia Arthrell, MSWTulsa, OK 741201386735132
  2. Audrey Bryan, LCSWTulsa, OK 741201235319864
  3. Marilyn Clarke, LCSWTulsa, OK 741201457410599
  4. Amy Donaldson, LCSWTulsa, OK 741201407077167
  5. Elizabeth Duncklee, LCSWTulsa, OK 741201023102928
  6. Lori Franklin, LCSWTulsa, OK 741201356482673
  7. Meredith Haefeker, LCSWTulsa, OK 741201740445808
  8. Christine Marsh, LCSWTulsa, OK 741201922140540

Common questions

What is William James List, LCSW's NPI number?

William James List, LCSW's National Provider Identifier (NPI) is 1639448079, issued on Dec 14, 2011. An NPI identifies a provider in billing; it is not a license.

Where is William James List, LCSW located?

The NPPES record lists a practice address at 1620 E 12TH St, Tulsa, OK, 74120. Phone: (918) 588-8888. Providers update this record themselves, so call before visiting.

How can I verify William James List, LCSW's license?

NPPES lists Oklahoma license number 6165, 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.