Karissa Tan, APN-BC
Adult Health Nurse Practitioner · Las Vegas, NV
Karissa Tan, APN-BC is an adult health nurse practitioner with a practice address in Las Vegas, Nevada, and NPI 1114270899, issued on Oct 18, 2012. Check the license (Nevada APRN002657, as entered in NPPES) with the Nevada board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karissa Tan
- Credential
- APN-BC
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- APRN002657 NV
306242 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1655 E Cactus Ave Ste 300, Las Vegas, NV 89183
- Phone
- (702) 724-8787
- Enumerated
- Oct 18, 2012
- Record last updated
- Nov 17, 2025
- Fax
- (702) 878-3078
- Medicare enrollment
- Enrolled (PECOS I20171025001562); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 120 in Nevada → Look up another NPI →
Also registered at 1655 E Cactus Ave Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yashmine Ballesteros, APRNNurse Practitioner1942827985
- Joanna DabuNurse Practitioner1700593407
- John Ellerton, MD, CMHematology & Oncology Physician1962585745
- Sandra Lombardo, MDMedical Oncology Physician1235202516
- Colby Meier, PHARMDPharmacist1427906254
- Swetha Pentapati, MDMedical Oncology Physician1386167484
Verify Karissa Tan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Nevada board licenses this profession
Search for license APRN002657Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average adult health nurse practitioner in 2024
1,371 Medicare Part D claims for 432 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. 299 claims were for opioids.
Most prescribed
- Letrozole109 claims
- Hydroxyurea106 claims
- Oxycodone Hcl84 claims
- Eliquis69 claims
- Morphine Sulfate Er69 claims
- Anastrozole54 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 83 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $49.06
2 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Optum Medical Group Rhodes P CLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karissa Tan among 120 adult health nurse practitioner records in Nevada
Karissa Tan, APN-BC is one of 120 adult health nurse practitioner records with a practice address in Nevada. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 31% of them.
- NPI issued2012 · 31% of these records are older, 63% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2016 among the 75 with a school on file
- Record last updated2025 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Nevada
There are 120 adult health nurse practitioner records in Nevada.
All 120 in Nevada → Every provider in Las Vegas → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- India Bush, NPLas Vegas, NV 891831447761754
- Elizabeth Smedley, FNPLas Vegas, NV 891831407230931
- Hannah Harris-Austin, APRNLas Vegas, NV 891781487192308
- Angela Silvestri-Elmore, PHD, APRN, FNP-BCLas Vegas, NV 891541427609189
- Gireesh Raman, APRNLas Vegas, NV 891491902552409
- Mary Denisse Toribio, NP- NEVADA -835711Las Vegas, NV 891491326649468
- Delfina SimpsonLas Vegas, NV 891481407315344
- Nancy Soares, FNP-BCLas Vegas, NV 891471972220911
Common questions
What is Karissa Tan, APN-BC's NPI number?
Karissa Tan, APN-BC's National Provider Identifier (NPI) is 1114270899, issued on Oct 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Karissa Tan, APN-BC located?
The NPPES record lists a practice address at 1655 E Cactus Ave Ste 300, Las Vegas, NV, 89183. Phone: (702) 724-8787. Providers update this record themselves, so call before visiting.
How can I verify Karissa Tan, APN-BC's license?
NPPES lists Nevada license number APRN002657, as entered by the provider. Search the Nevada board that licenses this profession; the NPPES record confirms identity only.
How much does Karissa Tan, APN-BC prescribe under Medicare Part D?
In 2024, Karissa Tan, APN-BC had 1,371 Medicare Part D claims for 432 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
What is Karissa Tan, APN-BC's MIPS final score?
The 2023 MIPS final score is 83 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.