THOMAS GENE GROSS (MD) – Pediatric Hematology & Oncology Physician, NPI 1285636258
Pediatric Hematology & Oncology Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for THOMAS GENE GROSS (MD)
PO BOX 110429
AURORA, CO 800420429
Phone:
Type: Mailing
1919 E THOMAS RD
PHOENIX, AZ 850167710
Phone: (602) 933-1000
Type: Location
13123 E 16th Ave
Aurora, CO 800457106
Phone: (720) 777-1234
Type: Location
2108 E THOMAS RD STE 130
PHOENIX, AZ 850160008
Phone: (602) 933-3124
Type: Mailing
Children's Hospital Colorado Emergency Department (ED), 13123, East 16th Avenue, Aurora, Adams County, Colorado, 80045, United States
AURORA, CO 800457106
Phone: (720) 777-1234
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $19,472.
Total Amount is formed as General ($19,472) + Research ($0) + Ownership ($0) = $19,472.
Last reported payment date: 2024-01-18 • Largest payer in this snapshot: F. Hoffmann-La Roche AG ($19,472).
Total Amount
$19,472
General + Research + Ownership
Payments
6
Total payment records
General Amount
$19,472
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-01-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| F. Hoffmann-La Roche AG | $19,472 |
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: 2023-10-24
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 |
|---|---|---|---|---|
| I20231024002570 | I | Hematology/Oncology | AZ | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 80042)
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