NPPES file of Aug 9, 2026

Fah S. Leong, MD

Diagnostic Radiology Physician · Southlake, TX

Fah S. Leong, MD is a diagnostic radiology physician with a practice address in Southlake, Texas, and NPI 1184685299, issued on Mar 29, 2006. Check the license (Texas L4523, as entered in NPPES) on the Texas Medical Board; 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
1184685299
Name
Fah S. Leong
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
L4523 TX
C1-0027653 DE
036172895 IL
EMC0006147 MI
22746 OK
Self-reported in NPPES; status is on the state search
Practice location
2140 E Southlake Blvd # L-824, Southlake, TX 76092
Phone
(068) 236-5517
Enumerated
Mar 29, 2006
Record last updated
Jul 24, 2025
Medicaid IDs
151157802 TX
65050347 NM
100212100A OK
Medicare enrollment
Enrolled (PECOS I20080522000436); accepts Medicare assignment
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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Verify Fah S. Leong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L4523
    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
Open the Texas license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 78.8 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 score75.0
  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).

16+ hospitals and group practices

  1. Humboldt Park HealthChicago, IL · Acute Care Hospitals1 of 5 stars
  2. Bayhealth Radiologists LLCSouthlake, TX
  3. Bonaventure Medical Foundation LLCHoffman Est, IL
  4. Central Texas Radiological Associates PAWaco, TX
  5. Central Valley Community Medical ImagingAllen, TX
  6. Christiana Care Health Services IncSouthlake, TX
  7. Edward W Sparrow Hospital AssociationLansing, MI
  8. Faculty Physicians And Surgeons OF LlusmSouthlake, TX
  9. Interfaith Professional Physician Services PCBrooklyn, NY
  10. Lubbock County Hospital DistrictLubbock, TX
  11. Mercy Health System CorporationCrystal Lake, IL
  12. ON-Line Radiology Medical Group IncSouthlake, TX
  13. Pco PCSouthlake, TX
  14. Radiology Associates OF Albuquerque PASouthlake, TX
  15. Rockford Health PhysiciansRockford, IL
  16. Thorek Radiology Group NfpChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Diagnostic Radiology Physician providers in Texas

There are 3,124 diagnostic radiology physician records in Texas.

Other diagnostic radiology physician records in Texas

  1. Solomon Abay, M.D.Austin, TX1295122885
  2. Ahmed Abdel Aal, MD, PHDHouston, TX1215076344
  3. Abeer Abdelhafez, MDHouston, TX1225791338
  4. Waleed Abdellatif, MBBCH, MSC, MSHPEHouston, TX1629737770
  5. Fouad Abdole, MDHouston, TX1073196317
  6. Creed Abell, M.D.Columbus, TX1619965100
  7. Mitchell Aboussie, MDDallas, TX1538118005
  8. Joshua AbramowitzAustin, TX1689676975
  9. Michael Achilleos, MDFort Worth, TX1396189494
  10. Scott Adams, M.D.Dallas, TX1336359132

Common questions

What is Fah S. Leong, MD's NPI number?

Fah S. Leong, MD's National Provider Identifier (NPI) is 1184685299, issued on Mar 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Fah S. Leong, MD located?

The NPPES record lists a practice address at 2140 E Southlake Blvd # L-824, Southlake, TX, 76092. Phone: (068) 236-5517. Providers update this record themselves, so call before visiting.

How can I verify Fah S. Leong, MD's license?

NPPES lists Texas license number L4523, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is Fah S. Leong, MD's MIPS final score?

The 2023 MIPS final score is 78.8 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.