DR. JASON MICHAEL BELLAK (MD) – Allergy & Immunology Physician, NPI 1407951700
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
22 ALLERGY/IMMUNOLOGY in NV
Provider Addresses for DR. JASON MICHAEL BELLAK (MD)
2135 GREEN VISTA DR STE 109
SPARKS, NV 894318514
Phone: (775) 359-5010
Fax: (775) 359-7656
Type: Mailing
2135 Green Vista Dr Ste 109
Sparks, NV 894318514
Phone: (775) 359-5010
Fax: (753) 597-6567
Type: Location
Oklahoma Institute of Allergy & Asthma, 1810, East Memorial Road, Oklahoma City, Oklahoma County, Oklahoma, 73131, United States
OKLAHOMA CITY, OK 731311250
Phone: (405) 607-4333
Fax: (405) 607-4404
Type: Mailing
2625 BOX CANYON DR
LAS VEGAS, NV 891280450
Phone: (702) 360-6100
Fax: (702) 360-8096
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 399 Open Payments records for all available years, with a total value of $15,869.
Total Amount is formed as General ($15,869) + Research ($0) + Ownership ($0) = $15,869.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Genentech USA, Inc. ($4,935).
Total Amount
$15,869
General + Research + Ownership
Payments
399
Total payment records
General Amount
$15,869
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 |
|---|---|
| Genentech USA, Inc. | $4,935 |
| AstraZeneca Pharmaceuticals LP | $1,739 |
| Regeneron Healthcare Solutions, Inc. | $1,509 |
| Amgen Inc. | $694 |
| GlaxoSmithKline, LLC. | $628 |
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: 2021-11-17
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 |
|---|---|---|---|---|
| I20211117003046 | I | Allergy/Immunology | NV | 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 |
|---|---|---|---|---|
| 95004 | Test for allergy using allergenic extract | 4,374 | 62 | $0 |
| 95165 | Professional service for preparation and provision of 1 or more antigens | 2,659 | 99 | $0 |
| 95117 | Professional service for multiple injections of allergen | 1,092 | 104 | $0 |
| 95024 | Test for allergy using allergenic extract injected into skin | 713 | 47 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 328 | 287 | $0 |
Insurance plans in this area (ZIP 89431)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | NV | |
| Physician Assistant | NV | |
| - | NV |
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