WILLIAM S VELASQUEZ (M. D.) – Hematology & Oncology Physician, NPI 1346201175
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
770 MEDICAL ONCOLOGY in TX
Provider Addresses for WILLIAM S VELASQUEZ (M. D.)
1631 North Loop W Ste 410
Houston, TX 770081530
Phone: (713) 802-9000
Fax: (713) 802-2701
Type: Location
23960 Katy Fwy Ste 325
Katy, TX 774940886
Phone: (281) 578-0201
Fax: (281) 578-0217
Type: Location
925 Gessner Road
Suite 600,650
Houston, TX 770242645
Phone: (713) 827-9525
Fax: (713) 468-3561
Type: Location
27700 Northwest Freeway
Suite 400,425
Cypress, TX 774336767
Phone: (832) 377-3260
Fax: (888) 506-5887
Type: Location
7737 Southwest Fwy
Suite 575
Houston, TX 770741807
Phone: (713) 778-0300
Fax: (713) 778-0303
Type: Location
13215 Dotson Rd Ste 340
Houston, TX 770704535
Phone: (281) 477-8600
Fax: (281) 477-8577
Type: Location
17520 W Grand Pkwy S Ste 460
Sugar Land, TX 774794983
Phone: (281) 491-5511
Fax: (281) 491-5513
Type: Location
10405 Katy Fwy Ste 120
Houston, TX 770241121
Phone: (832) 333-1474
Fax: (832) 333-1475
Type: Location
2555 Gulf Fwy S Ste 700
League City, TX 775736742
Phone: (832) 827-8002
Fax: (832) 827-8003
Type: Location
18955 N Memorial Dr Ste 530
Humble, TX 773384269
Phone: (346) 362-1670
Fax: (346) 362-1675
Type: Location
3333 Bayshore Blvd Ste 320
Pasadena, TX 775041950
Phone: (832) 856-8965
Fax: (832) 856-8966
Type: Location
10405 Katy Fwy Ste 150E
Houston, TX 770241165
Phone: (713) 722-9660
Fax: (713) 722-9664
Type: Location
802 Enterprise Blvd Ste 808
Rockport, TX 783824346
Phone: (361) 696-6000
Fax: (361) 992-4120
Type: Location
11920 Astoria Blvd Ste 150
Houston, TX 770896097
Phone: (281) 481-6688
Fax: (281) 481-0870
Type: Location
1920 Country Place Pkwy Ste 370
Pearland, TX 775841962
Phone: (832) 333-1400
Fax: (832) 333-1499
Type: Location
7789 Southwest Fwy Ste 460
Houston, TX 770741841
Phone: (713) 778-0300
Fax: (713) 778-0303
Type: Location
9150 Main St Ste A3
Houston, TX 770253848
Phone: (713) 630-8181
Fax: (713) 838-9708
Type: Location
2130 W Holcombe Blvd Fl 10
Houston, TX 770303306
Phone: (713) 600-0900
Fax: (713) 600-0070
Type: Location
Frostwood Drive, Frostwood, Houston, Harris County, Texas, 77024, United States
SUITE 315
HOUSTON, TX 770242420
Phone: (713) 800-0656
Fax: (713) 827-1380
Type: Mailing
Southwest Freeway, Houston, Harris County, Texas, 77010, United States
SUITE 575
HOUSTON, TX 770741807
Phone: (713) 778-0300
Fax: (713) 778-0303
Type: Location
PO BOX 676638
DALLAS, TX 752676638
Phone:
Type: Mailing
7121 S PADRE ISLAND DR
SUITE 102-101,119
CORPUS CHRISTI, TX 784124938
Phone: (361) 696-6000
Fax: (361) 992-4120
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 425 Open Payments records for all available years, with a total value of $19,279.
Total Amount is formed as General ($19,279) + Research ($0) + Ownership ($0) = $19,279.
Last reported payment date: 2024-12-30 • Largest payer in this snapshot: Janssen Biotech, Inc. ($4,639).
Total Amount
$19,279
General + Research + Ownership
Payments
425
Total payment records
General Amount
$19,279
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-30
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $4,639 |
| Karyopharm Therapeutics Inc. | $2,920 |
| AstraZeneca Pharmaceuticals LP | $1,569 |
| E.R. Squibb & Sons, L.L.C. | $1,243 |
| Novartis Pharmaceuticals Corporation | $516 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2004-12-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20041229000339 | I | Medical Oncology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 23,400 | 15 | $0 |
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 1,700 | 14 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 575 | 164 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 341 | 150 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 133 | 77 | $0 |
Insurance plans in this area (ZIP 77008)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| MEDICAL ONCOLOGY | TX | 96367 | Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour | 187 | 19 |
| MEDICAL ONCOLOGY | TX | 96375 | Injection of different drug or substance into a vein for therapy, diagnosis, or prevention | 104 | 18 |
| MEDICAL ONCOLOGY | TX | 96415 | Infusion of chemotherapy into a vein | 132 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y/ O N C O L O G Y | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Hematology/Oncology, Internal Medicine, Hematology/Oncology | GA | |
| Nurse Practitioner | TX | |
| Radiation Oncology | TX | |
| H E M A T O L O G Y/ O N C O L O G Y | TX | |
| Radiation Oncology | TX | |
| Medical Oncology, Internal Medicine | TX |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.