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WILLIAM G. WIERDA M.D., PHD
NPI 1497848279
Internal Medicine - Hematology & Oncology in Houston, TX

Active since October 02, 2006PECOS EnrolledAccepts Medicare Assignment
81.38/100
CMS Quality Rating
1515 HOLCOMBE BLVD, HOUSTON, TX 77030(713) 792-3753 Get Directions Write a Review

NPPES record last updated: July 5, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William G. Wierda M.d., Phd NPPES

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

WILLIAM G. WIERDA M.D., PHD (NPI 1497848279) is an individual hematology & oncology provider in Houston, Texas, licensed in Texas (L3873) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1993).

NPPES Registry Identity

NPI1497848279
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameWILLIAM G. WIERDACredential: M.D., PHD
Location Address1515 HOLCOMBE BLVDHouston, TX 77030-4009
Mailing AddressPo Box 4439Houston, TX 77210-4439 · (713) 792-2991
Phone(713) 792-3753
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateOctober 2, 2006
Last NPPES UpdateJuly 5, 2012
✔ NPI 1497848279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in TX · L3873
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
1515 HOLCOMBE BLVD, Houston, TX 77030
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Other Identifiers 3

Medicare PIN8048N0TX
Medicare UPING98693
Medicaid143462301TX

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 G. Wierda M.d., Phd 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 ID840488151
PECOS Enrollment IDI20101230000108
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 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
345 services55 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
327 services161 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
68 services66 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
33 services27 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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
$176.98 typical visit price
range $58.24 – $176.98
Typical copayment $44.24 (range $14.56 – $44.24)
Most-billed visit code 99205
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
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.

81.38/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.25
Promoting Interoperability100
Improvement Activities40
Cost49.97

Other Providers at the Same Location NPPES 20

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

DR. MERRY CHEN MD
Psychiatry & Neurology (Neurology)
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
AMEENA BAGREE MALHOTRA M.D.
Internal Medicine (Nephrology)
1515 HOLCOMBE BLVD, 77030-4009
HOUSTON, TX 77030
Harris County (713) 792-6161
SOLANGE ERLYN COX MD
Surgery
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-2360
DR. BRYAN KEITH GUILLORY M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
JANUARY Y TSAI MD
Anesthesiology
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
DR. SUNYOUNG LEE MD
Internal Medicine (Medical Oncology)
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
MRS. RACHEL KRAMER FUTRELL PA-C
Physician Assistant
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161
MEGAN J TANNER NP-C
Nurse Practitioner
1515 HOLCOMBE BLVD
HOUSTON, TX 77030
Harris County (713) 792-6161

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 Wierda's NPI number?

The NPI number for William Wierda is 1497848279. It was assigned to this individual provider in the NPPES registry on October 2, 2006.

Where is William Wierda located?

William Wierda practices at 1515 Holcombe Blvd, Houston, TX 77030. The listed phone number is (713) 792-3753.

What is William Wierda's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is William Wierda enrolled in Medicare?

Yes. William Wierda 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.

When was this NPI record last updated?

The NPPES record for William Wierda was last updated on July 5, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.