NPPES file of Aug 9, 2026

Thomas Alan Dafforn, PHD

Psychologist · Tulsa, OK

Thomas Alan Dafforn, PHD is a psychologist with a practice address in Tulsa, Oklahoma, and NPI 1235341389, issued on May 3, 2007. Check the license (Oklahoma 613, 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 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235341389
Name
Thomas Alan Dafforn
Credential
PHD
Primary taxonomy
Psychologist 103T00000X
License number
613 OK
Self-reported in NPPES; status is on the state search
Practice location
4870 S Lewis Avenue, Tulsa, OK 74105
Phone
(918) 477-2649
Enumerated
May 3, 2007
Record last updated
Jan 28, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(918) 524-1480
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Thomas Alan Dafforn 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 613
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 81.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score66.5
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Thomas Alan Dafforn among 256 psychologist records in Oklahoma

Thomas Alan Dafforn, PHD is one of 256 psychologist records with a practice address in Oklahoma. 8% 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 43% of them.

  • NPI issued2007 · 43% of these records are older, 46% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileNo · 20% of these records are
  • Record last updated2014 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychologist providers in Oklahoma

There are 256 psychologist records in Oklahoma.

The 8 psychologist records with the nearest ZIP codes

  1. Leslie Barnes, PH.D.Tulsa, OK 741051437244514
  2. Alfred Carlozzi, ED.D.Tulsa, OK 741051376745141
  3. Michele Geyer, ED.DTulsa, OK 741051437265212
  4. Terese Hall, PH.D.Tulsa, OK 741051538301189
  5. Ashley Leflore, PH.D.Tulsa, OK 741051821386079
  6. Susan Phillips, PH.D.Tulsa, OK 741051043309446
  7. Ryan TackTulsa, OK 741051467342568
  8. Barton Trentham, PHDTulsa, OK 741051336222579

Common questions

What is Thomas Alan Dafforn, PHD's NPI number?

Thomas Alan Dafforn, PHD's National Provider Identifier (NPI) is 1235341389, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Alan Dafforn, PHD located?

The NPPES record lists a practice address at 4870 S Lewis Avenue, Tulsa, OK, 74105. Phone: (918) 477-2649. Providers update this record themselves, so call before visiting.

How can I verify Thomas Alan Dafforn, PHD's license?

NPPES lists Oklahoma license number 613, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.

What is Thomas Alan Dafforn, PHD's MIPS final score?

The 2023 MIPS final score is 81.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.