THEIN H OO (M.D.) – Hematology & Oncology Physician, NPI 1215925250
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,006 HEMATOLOGY/ONCOLOGY in TX
Loading map...
Provider Addresses for THEIN H OO (M.D.)
Houston Post Office, 123, South Main Street, Houston, Washington County, Pennsylvania, 15342, United States
HOUSTON, TX 772104439
Phone: (713) 792-2991
Type: Mailing
University of Texas MD Anderson Cancer Center, 1515, Holcombe Boulevard, Texas Medical Center, Houston, Harris County, Texas, 77030, United States
HOUSTON, TX 770304009
Phone: (713) 792-6161
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $45.
Total Amount is formed as General ($45) + Research ($0) + Ownership ($0) = $45.
Last reported payment date: 2024-06-05 • Largest payer in this snapshot: Apellis Pharmaceuticals, Inc. ($45).
Total Amount
$45
General + Research + Ownership
Payments
1
Total payment records
General Amount
$45
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-05
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Apellis Pharmaceuticals, Inc. | $45 |
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: 2010-07-28
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 |
|---|---|---|---|---|
| I20100728000771 | I | Hematology/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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 147 | 107 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 117 | 96 | $0 |
| 99221 | Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 55 | 54 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 46 | 45 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 39 | 39 | $0 |
Insurance plans in this area (ZIP 77210)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| N E U R O L O G Y | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| - | TX | |
| Nephrology, Internal Medicine | TX | |
| Anesthesiology, Emergency 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.