Karissa Tan, APN-BC

Primary specialty

Adult Health Nurse PractitionerTaxonomy code 363LA2200X

License

APRN002657 Issued in NV

Practice address

1655 E Cactus Ave Ste 300
Las Vegas, NV 89183-7723

Phone

(702) 724-8787

Fax

(702) 878-3078

NPI assigned

Oct 18, 2012

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NY, NV2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 2

Specialty

Nurse Practitioner

Education

Other, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Optum Medical Group Rhodes P CGroup PAC ID 1052390036, 53 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

89.7 of 100Reported as group

Quality

82.63

Promoting interoperability

100

Improvement activities

40

Cost

83.03

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: karissa.tan.p4@direct.uson.nextgenshare.com
• Direct secure messaging: ktan120792@westdirect.optum.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Optum Medical Group Rhodes P C

  • Specialist
  • Las Vegas, NV
  • NPI 1063458594
  Medicare reassignment Care Compare group NPD
• North Shore-Lij Medical PC

  • Urology Physician
  • Great Neck, NY
  • NPI 1053688572
  Medicare reassignment NPD
• Optum Medical Group Rhodes P C

  • Radiation Oncology Physician
  • Las Vegas, NV
  • NPI 1225609464
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1350518400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763337600000",
    "number": "1114270899",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1655 E CACTUS AVE STE 300",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891837723",
            "telephone_number": "702-724-8787",
            "fax_number": "702-878-3078"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAN",
        "first_name": "KARISSA",
        "credential": "APN-BC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2012-10-18",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "NY",
            "license": "306242",
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "NV",
            "license": "APRN002657",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Francis Richard Tan, M.D.
• Hunter Tan, DMD
• Jessica Tan, APRN
• Judith L. Tan, APRN
• Jullie Tan
• Keisha Mae Tan
• Kevin Tan, DDS
• Kondrad R Tan, MOT
• Kylie Nicole Tan, BSN, RN
• Leopoldo Castillo Tan Jr., APRN-CNP

• Adult Health Nurse Practitioner in Las Vegas, NV
• Providers in Las Vegas, NV by specialty
• Adult Health Nurse Practitioner in Nevada

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 17, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.