DR. BRIAN ALLEN GRAY (D.O.) – Critical Care Medicine (Internal Medicine) Physician, NPI 1942438098
Critical Care Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,360 CRITICAL CARE (INTENSIVISTS) in TX
Provider Addresses for DR. BRIAN ALLEN GRAY (D.O.)
6431 Fannin St
Suite 1.434
Houston, TX 770301501
Phone: (832) 325-7222
Fax: (713) 500-6829
Type: Location
Katy Freeway, Katy, Fort Bend County, Texas, 77493, United States
INTENSIVE CARE UNIT
KATY, TX 77494
Phone: (281) 703-3020
Type: Location
PO BOX 475
KATY, TX 774920475
Phone: (281) 703-3020
Fax: (281) 578-4862
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $117.
Total Amount is formed as General ($117) + Research ($0) + Ownership ($0) = $117.
Last reported payment date: 2024-12-04 • Largest payer in this snapshot: Novo Nordisk Inc ($117).
Total Amount
$117
General + Research + Ownership
Payments
7
Total payment records
General Amount
$117
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $117 |
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: 2018-11-27
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 |
|---|---|---|---|---|
| I20181127000805 | I | Critical Care (Intensivists) | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 322 | 150 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 31 | 19 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 19 | 16 | $0 |
| 36556 | Insertion of non-tunneled central venous tube for infusion (5 years or older) | 13 | 12 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 12 | 12 | $0 |
Insurance plans in this area (ZIP 77030)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease, Internal Medicine | TX | |
| Internal Medicine, Pulmonary Disease | LA | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine, Sleep Medicine | TX | |
| Pulmonary Disease, Critical Care (Intensivists), 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.