DR. ANTONIO HERLANDER FONTELONGA – Hematology & Oncology Physician, NPI 1437164100
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
83 HEMATOLOGY/ONCOLOGY in NV
Provider Addresses for DR. ANTONIO HERLANDER FONTELONGA
75 PRINGLE WAY STE 706
RENO, NV 895021472
Phone: (775) 784-5975
Fax: (775) 784-3722
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 114 Open Payments records for all available years, with a total value of $2,965.
Total Amount is formed as General ($2,965) + Research ($0) + Ownership ($0) = $2,965.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Janssen Biotech, Inc. ($556).
Total Amount
$2,965
General + Research + Ownership
Payments
114
Total payment records
General Amount
$2,965
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $556 |
| AstraZeneca Pharmaceuticals LP | $428 |
| Incyte Corporation | $291 |
| Merck Sharp & Dohme LLC | $243 |
| GlaxoSmithKline, LLC. | $192 |
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: 2023-02-22
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 |
|---|---|---|---|---|
| I20230222000866 | 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.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 892 | 16 | $0 |
| J2405 | Injection, ondansetron hydrochloride, per 1 mg | 832 | 12 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 356 | 163 | $0 |
| 96375 | Injection of additional new drug or substance into vein | 267 | 24 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 166 | 25 | $0 |
Insurance plans in this area (ZIP 89502)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Radiation Oncology | AZ | |
| H E M A T O L O G Y/ O N C O L O G Y | AZ | |
| - | AZ | |
| Radiation Oncology | NV | |
| Radiation Oncology | AZ |
Reviews
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