KARISSA TAN (APN-BC) – Adult Health Nurse Practitioner, NPI 1114270899
Adult Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,947 NURSE PRACTITIONER in NV
Provider Addresses for KARISSA TAN (APN-BC)
6190 S FORT APACHE RD
LAS VEGAS, NV 891486702
Phone: (702) 724-8787
Fax: (702) 878-3078
Type: Location
4750 W OAKEY BLVD STE 2B
LAS VEGAS, NV 891021535
Phone: (702) 724-8787
Fax: (702) 878-3078
Type: Location
PO BOX 35380
LAS VEGAS, NV 891335380
Phone:
Type: Mailing
1655 E CACTUS AVE STE 300
LAS VEGAS, NV 891837723
Phone: (702) 724-8787
Fax: (702) 878-3078
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $97.
Total Amount is formed as General ($97) + Research ($0) + Ownership ($0) = $97.
Last reported payment date: 2024-10-23 • Largest payer in this snapshot: Regeneron Healthcare Solutions, Inc. ($66).
Total Amount
$97
General + Research + Ownership
Payments
3
Total payment records
General Amount
$97
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Regeneron Healthcare Solutions, Inc. | $66 |
| Janssen Biotech, Inc. | $30 |
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: 2017-10-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20141224000212 | I | Nurse Practitioner | NY | TBD |
| I20171025001562 | I | Nurse Practitioner | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 61 | 34 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 22 | 12 | $0 |
Insurance plans in this area (ZIP 89148)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Medical Oncology, Hematology/Oncology | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | IL | |
| - | NV | |
| - | NV | |
| - | NV | |
| H E M A T O L O G Y/ O N C O L O G Y | NV | |
| - | TN | |
| Nurse Practitioner | NV | |
| - | NV | |
| - | DE |
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