Doctor profile · Federal record

Dr. Karissa Tan, APN-BC

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Adult Health Nurse Practitioner · Las Vegas, NV

  • NPI 1114270899
  • Accepts Medicare
  • MIPS 83.0 / 100 · 2023
  • 14 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1655 E Cactus Ave Ste 300
Las Vegas, NV 891837723
(702) 724-8787
fax (702) 878-3078
Mailing address
Po Box 35380
Las Vegas, NV 891335380

Credentials & registration

NPPES · NUCC
NPI registered
October 2012 — 14 yrs on file
Profile last updated
November 17, 2025
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State licenses (2)
Nevada #APRN002657 · New York #306242

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114270899. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
83
Distinct HCPCS
2
Medicare allowed
$6,767
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 61 34 $108
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 22 12 $8

In context: peer comparison

Among 15 peers in Las Vegas Adult Health Nurse Practitioner, average services per provider: 231. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$49
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 1 $30.29
Regeneron Healthcare Solutions, INC. 1 $18.77

By nature of payment

Food and Beverage
$49

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
697
Patients
144
Total drug cost
$1,007,919
Drug Type Claims Patients Total cost
Hydroxyurea Generic 124 26 $6,362
Letrozole Generic 88 30 $2,831
Xarelto (Rivaroxaban) Brand 60 14 $51,264
Eliquis (Apixaban) Brand 57 21 $55,220
Oxycodone Hcl Generic 56 13 $2,427
Anastrozole Generic 51 21 $1,458
Morphine Sulfate ER (Morphine Sulfate) Brand 47 19 $2,370
Alprazolam Generic 37 0 $304
Folic Acid Generic 32 0 $93
Tamoxifen Citrate Generic 30 0 $1,360

Frequently asked questions

Auto-generated from federal data
What is Dr. Karissa Tan's medical specialty?
Dr. Karissa Tan practices Adult Health Nurse Practitioner in Las Vegas, NV.
Where does Dr. Karissa Tan practice?
Dr. Karissa Tan practices at 1655 E Cactus Ave Ste 300, Las Vegas, NV 891837723. Office phone: 7027248787.
What is Dr. Karissa Tan's NPI?
Dr. Karissa Tan's National Provider Identifier (NPI) is 1114270899, issued by NPPES.
Does Dr. Karissa Tan accept Medicare assignment?
Yes. Dr. Karissa Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karissa Tan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.