THOMAS GUERRERO-GARCIA (M.D.) – Hematology & Oncology Physician, NPI 1689939993
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
606 HEMATOLOGY/ONCOLOGY in MA
Provider Addresses for THOMAS GUERRERO-GARCIA (M.D.)
450 Brookline Ave
Boston, MA 022155418
Phone: (617) 632-2127
Fax: (617) 632-6624
Type: Location
1000 W 10th St
Rolla, MO 654012905
Phone: (573) 364-9000
Fax: (573) 202-2484
Type: Location
1050 W 10TH ST
ROLLA, MO 654012905
Phone: (573) 364-9000
Type: Mailing
1060 W 10TH ST
ROLLA, MO 654012905
Phone: (573) 458-3324
Fax: (573) 458-8445
Type: Location
17201 I 45 S
THE WOODLANDS, TX 773853311
Phone: (936) 270-2000
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 77 Open Payments records for all available years, with a total value of $1,648.
Total Amount is formed as General ($1,648) + Research ($0) + Ownership ($0) = $1,648.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Daiichi Sankyo Inc. ($215).
Total Amount
$1,648
General + Research + Ownership
Payments
77
Total payment records
General Amount
$1,648
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Daiichi Sankyo Inc. | $215 |
| Novartis Pharmaceuticals Corporation | $161 |
| Janssen Biotech, Inc. | $156 |
| Genentech USA, Inc. | $142 |
| GENZYME CORPORATION | $91 |
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: 2025-06-13
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 |
|---|---|---|---|---|
| I20250613001736 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 326 | 167 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 277 | 113 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 96 | 96 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 45 | 41 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 38 | 14 | $0 |
Insurance plans in this area (ZIP 02215)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| - | TX | |
| Nurse Practitioner | TX | |
| Physician Assistant | TX | |
| Thoracic Surgery, Vascular Surgery | TX | |
| Medical Oncology, Hematology | TX | |
| Internal Medicine | TX | |
| General Surgery | NY | |
| G A S T R O E N T E R O L O G Y | LA | |
| Internal Medicine | TX |
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