Doctor profile · Federal record
Dr. William Wierda, M.D., PHD
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Houston, TX
- NPI 1497848279
- Accepts Medicare
- MIPS 79.4 / 100 · 2023
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1515 Holcombe Blvd
Houston, TX 770304009
(713) 792-3753 - Mailing address
-
Po Box 4439
Houston, TX 772104439
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 5, 2012
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Texas #L3873
- Medicaid
- TX #143462301
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497848279. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
728
Distinct HCPCS
5
Medicare allowed
$89,746
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 267 | 48 | $120 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 225 | 160 | $98 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 192 | 77 | $144 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 23 | 22 | $176 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 21 | 21 | $184 |
In context: peer comparison
Among 79 peers in this city , average services per provider: 1,097. This provider delivers 0.7× the peer median.Open Payments
Industry payments received
All-time total
$3,665
Transactions
22
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Eli Lilly and Company | 6 | $1,897.87 | |
| ABBVIE INC. | 8 | $1,229.13 | |
| AstraZeneca Pharmaceuticals LP | 3 | $183.42 | |
| AstraZeneca UK Limited | 2 | $120.17 | |
| Apellis Pharmaceuticals, Inc. | 1 | $104.04 | |
| Lilly USA, LLC | 1 | $101.42 | |
| SOBI, INC | 1 | $28.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
138
Patients
27
Total drug cost
$1,012,548
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Calquence (Acalabrutinib Maleate) | Brand | 50 | 0 | $629,514 |
| Venclexta (Venetoclax) | Brand | 35 | 0 | $380,704 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 24 | 15 | $1,586 |
| Allopurinol | Generic | 17 | 12 | $251 |
| Levofloxacin | Generic | 12 | 0 | $493 |
Frequently asked questions
What is Dr. William Wierda's medical specialty?
Dr. William Wierda practices Hematology & Oncology Physician in Houston, TX.
Where does Dr. William Wierda practice?
Dr. William Wierda practices at 1515 Holcombe Blvd, Houston, TX 770304009. Office phone: 7137923753.
What is Dr. William Wierda's NPI?
Dr. William Wierda's National Provider Identifier (NPI) is 1497848279, issued by NPPES.
Does Dr. William Wierda accept Medicare assignment?
Yes. Dr. William Wierda accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Wierda commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.