William Whel-Lyan Taw, MD
Diagnostic Radiology Physician · Harlingen, TX
William Whel-Lyan Taw, MD is a diagnostic radiology physician with a practice address in Harlingen, Texas, and NPI 1841280005, issued on Oct 27, 2005. Check the license (Texas K4265, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Whel-Lyan Taw
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- K4265 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1717 Treasure Hills Blvd, Harlingen, TX 78550
- Phone
- (956) 421-3041
- Enumerated
- Oct 27, 2005
- Record last updated
- Nov 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 102368102 TX
- Medicare enrollment
- Enrolled (PECOS I20040612000434); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1991
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →
Also registered at 1717 Treasure Hills Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Younis Alazzawi, MDDiagnostic Radiology Physician1922440247
- Bruce Berberian, MDDiagnostic Radiology Physician1881684298
- Harry Butters, MDDiagnostic Radiology Physician1598755902
- Charles Fisher, MDDiagnostic Radiology Physician1386634533
- Lauren Nguyen, MDDiagnostic Radiology Physician1205827235
- Rakesh Patel, M.D.Diagnostic Radiology Physician1366691529
Verify William Whel-Lyan Taw in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K4265Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 88.2 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Radiology And Nuclear Medicine LLCHarlingen, TX
- Valley Radiologists And AssociatesHarlingen, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Whel-Lyan Taw among 3,124 diagnostic radiology physician records in Texas
William Whel-Lyan Taw, MD is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1991 · median 2003 among the 2,277 with a school on file
- Record last updated2014 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Texas
There are 3,124 diagnostic radiology physician records in Texas.
All 3,124 in Texas → Every provider in Harlingen → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Younis Alazzawi, MDHarlingen, TX 785501922440247
- Bruce Berberian, MDHarlingen, TX 785501881684298
- Harry Butters, MDHarlingen, TX 785501598755902
- Charles Fisher, MDHarlingen, TX 785501386634533
- Carlos Maldonado, DOHarlingen, TX 785501659361301
- Lauren Nguyen, MDHarlingen, TX 785501205827235
- Rakesh Patel, M.D.Harlingen, TX 785501366691529
- Thomas Pirtle, MDHarlingen, TX 785501891786810
Common questions
What is William Whel-Lyan Taw, MD's NPI number?
William Whel-Lyan Taw, MD's National Provider Identifier (NPI) is 1841280005, issued on Oct 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Whel-Lyan Taw, MD located?
The NPPES record lists a practice address at 1717 Treasure Hills Blvd, Harlingen, TX, 78550. Phone: (956) 421-3041. Providers update this record themselves, so call before visiting.
How can I verify William Whel-Lyan Taw, MD's license?
NPPES lists Texas license number K4265, 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 William Whel-Lyan Taw, MD's MIPS final score?
The 2023 MIPS final score is 88.2 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.