DR. CARSON TAN LO (MD) – Internal Medicine Physician, NPI 1164483293
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,290 INTERNAL MEDICINE in TX
Provider Addresses for DR. CARSON TAN LO (MD)
PO BOX 19814
HOUSTON, TX 772249814
Phone: (281) 599-3222
Fax: (281) 599-3016
Type: Mailing
6255 W SUNSET BLVD FL 21
LOS ANGELES, CA 900287422
Phone: (323) 860-5200
Fax: (323) 467-7119
Type: Mailing
1331 W GRAND PKWY N STE 310
KATY, TX 774932735
Phone: (281) 599-3222
Type: Location
Katy Med Arts Center, West Grand Parkway North, Harris County, Texas, 77450, United States
SUITE 310
KATY, TX 774932711
Phone: (713) 827-8434
Fax: (281) 599-3016
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 173 Open Payments records for all available years, with a total value of $3,438.
Total Amount is formed as General ($3,438) + Research ($0) + Ownership ($0) = $3,438.
Last reported payment date: 2024-09-26 • Largest payer in this snapshot: ViiV Healthcare Company ($769).
Total Amount
$3,438
General + Research + Ownership
Payments
173
Total payment records
General Amount
$3,438
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ViiV Healthcare Company | $769 |
| Gilead Sciences, Inc. | $718 |
| ABBVIE INC. | $358 |
| Paratek Pharmaceuticals, Inc. | $253 |
| Merck Sharp & Dohme LLC | $137 |
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: 2011-06-15
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 |
|---|---|---|---|---|
| I20110615000835 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 314 | 156 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 220 | 205 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 216 | 83 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 173 | 114 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 55 | 55 | $0 |
Insurance plans in this area (ZIP 77224)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice, Hospice/Palliative Care | CA | |
| Family Practice | TX | |
| - | FL | |
| Internal Medicine, Infectious Disease | FL | |
| Internal Medicine | FL | |
| Clinical Social Worker | CA | |
| Infectious Disease, Internal Medicine | TX | |
| Family Practice | TX | |
| Preventive Medicine | IL | |
| - | 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.