WILLIAM WHEL-LYAN TAW MD
NPI 1841280005
Radiology - Diagnostic Radiology in Harlingen, TX

Active since October 27, 2005PECOS EnrolledAccepts Medicare Assignment
88.16/100
CMS Quality Rating
1717 TREASURE HILLS BLVD, HARLINGEN, TX 78550(956) 421-3041 Get Directions Write a Review

NPPES record last updated: November 21, 2014. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About William Whel-lyan Taw Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM WHEL-LYAN TAW MD (NPI 1841280005) is an individual diagnostic radiology provider in Harlingen, Texas, licensed in Texas (K4265) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Stormont Vail Hospital, and is a graduate of University Of Texas Medical School At San Antonio (1991).

NPPES Registry Identity

NPI1841280005
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameWILLIAM WHEL-LYAN TAWCredential: MD
Location Address1717 TREASURE HILLS BLVDHarlingen, TX 78550-8912
Mailing Address1717 Treasure Hills BlvdHarlingen, TX 78550-8912 · (956) 421-3041
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At San AntonioGraduated 1991
Enumeration DateOctober 27, 2005
Last NPPES UpdateNovember 21, 2014
NPI 1841280005 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License Licensed in TX · K4265
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1717 TREASURE HILLS BLVD, Harlingen, TX 78550

Other Identifiers 3

Medicare PIN81R000TX
Medicare UPING55719
Medicaid102368102TX

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

William Whel-lyan Taw Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769465301
PECOS Enrollment IDI20040612000434
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 83

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
2,639 services1,487 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
610 services539 patients
Ct scan of abdomen and pelvis without contrast 74176
A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.
287 services261 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
240 services240 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
234 services226 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
220 services213 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Stormont Vail Hospital

Acute Care Hospitals · Topeka, KS
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number170086
Location1500 SW 10th AvenueTopeka, KS 66604 · Shawnee County
Emergency services Birthing friendly

Holton Community Hospital

Critical Access Hospitals · Holton, KS
OwnershipVoluntary non-profit - Private
CMS Certification Number171319
Location1110 Columbine DriveHolton, KS 66436 · Jackson County
Emergency services

Newman Regional Health

Critical Access Hospitals · Emporia, KS
2/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number171384
Location1201 West 12th AvenueEmporia, KS 66801 · Lyon County
Emergency services Birthing friendly

Valley Baptist Medical Center- Brownsville

Acute Care Hospitals · Brownsville, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450028
Location1040 W Jefferson StBrownsville, TX 78520 · Cameron County
Emergency services Birthing friendly

Vhs Harlingen Hospital Company LLC

Acute Care Hospitals · Harlingen, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450033
Location2101 Pease StHarlingen, TX 78550 · Cameron County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78550 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

88.16/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality59.03
Improvement Activities40

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
94%1,968 patients
Radiology: Exposure Dose Indices Reported for Procedures Using Fluoroscopy
0%34 patients1/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Radiology)
1717 TREASURE HILLS BLVD
HARLINGEN, TX 78550
Radiology (Diagnostic Radiology)
1717 TREASURE HILLS BLVD
HARLINGEN, TX 78550
Radiology (Diagnostic Radiology)
1717 TREASURE HILLS BLVD
HARLINGEN, TX 78550
Radiology (Diagnostic Radiology)
1717 TREASURE HILLS BLVD
HARLINGEN, TX 78550
Radiology (Diagnostic Radiology)
1717 TREASURE HILLS BLVD
HARLINGEN, TX 78550
Radiology (Diagnostic Radiology)
1717 TREASURE HILLS BLVD
HARLINGEN, TX 78550
Radiology (Diagnostic Radiology)
1717 TREASURE HILLS BLVD
HARLINGEN, TX 78550
Radiology (Diagnostic Radiology)
1717 TREASURE HILLS BLVD
HARLINGEN, TX 78550

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Taw's NPI number?

The NPI number for William Taw is 1841280005. It was assigned to this individual provider in the NPPES registry on October 27, 2005.

Where is William Taw located?

William Taw practices at 1717 Treasure Hills Blvd, Harlingen, TX 78550. The listed phone number is (956) 421-3041.

What is William Taw's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is William Taw enrolled in Medicare?

Yes. William Taw is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Taw accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list William Taw as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Taw affiliated with any hospitals?

According to CMS data, William Taw is affiliated with Stormont Vail Hospital, Holton Community Hospital, Newman Regional Health, Valley Baptist Medical Center- Brownsville and Vhs Harlingen Hospital Company LLC.

When was this NPI record last updated?

The NPPES record for William Taw was last updated on November 21, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.