NPIMap

Individual provider Active NPI

David Sam Kotlyar, M.D.

  • Hematology (Internal Medicine) Physician
  • Henderson, NV
National Provider Identifier
1245527670
Registry record updated Feb 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology (Internal Medicine) PhysicianTaxonomy code 207RH0000X
License
28488 Issued in NV
Practice address
2350 Corporate Cir
Henderson, NV 89074-7737
Phone
(702) 968-7210
Fax
(702) 735-7153
NPI assigned
Jul 6, 2011
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 9, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology Physician 207RX0202X MD446692 PA
Hematology & Oncology Physician 207RH0003X 300926 NY
Hematology (Internal Medicine) Physician 207RH0000X 28488 NV Primary
Student in an Organized Health Care Education/Training Program 390200000X

Addresses

Primary practice location

2350 Corporate Cir
Henderson, NV 89074-7737

Mailing address

6355 S Buffalo Dr FL 3
Las Vegas, NV 89113-2133
Phone (702) 216-3346

Other practice location 1

317 S Manning Blvd Ste 100
Albany, NY 12208-3917
Phone (518) 525-1404

Other practice location 2

Hildegard Medicus Cancer Center
1300 Massachusetts Avenue
Troy, NY 12180
Phone (518) 268-5060

Other practice location 3

317 S Manning Blvd Ste 220
Albany, NY 12208-3909
Phone (518) 525-6418

Other practice location 4

11110 Medical Campus Rd Ste 130
Hagerstown, MD 21742
Phone (301) 665-4710

Other practice location 5

10 Center Drive
NIH, Building 10/12N226
Bethesda, MD 20892
Phone (301) 496-1211

Other practice location 6

11110 Medical Campus Rd Ste 130
Hagerstown, MD 21742
Phone (301) 665-4710

Other practice location 7

2215 Burdett Ave
Troy, NY 12180-2466
Phone (518) 271-3775

Other identifiers 2

IdentifierTypeStateIssuer
28488OtherNVLICENSE
1245527670MedicaidNV

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, NV2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20210621001660 PA Practitioner - Medical Oncology 8325327950 Reassigns benefits to 2 organizations
I20260128003114 NV Practitioner - Medical Oncology 8325327950 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Medical Oncology
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Meritus Medical Center IncGroup PAC ID 7113811795, shared by 8 NPIs, 730 clinicians
Intermountain Medical Holdings Nevada IncGroup PAC ID 7416054622, 311 clinicians
Geisinger-HM Joint Venture LLCGroup PAC ID 1355676370, 426 clinicians

Practice addresses (Care Compare)

11110 Medical Campus Rd
Hagerstown, MD 21742-6700

2350 Corporate Cir
Henderson, NV 89074-7737

255 Route 220 Hwy
Muncy, PA 17756-7569
Phone (570) 308-2600

4880 Wynn Rd
Las Vegas, NV 89103-5406
Phone (702) 871-5005

Hospital & facility affiliations

  • Geisinger Medical Center Hospital, Danville, PA, CCN 390006
  • Geisinger Jersey Shore Hospital Hospital, Jersey Shore, PA, CCN 391300
  • Geisinger-Lewistown Hospital Hospital, Lewistown, PA, CCN 390048
  • Meritus Medical Center Hospital, Hagerstown, MD, CCN 210001

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
28488NVMDHematology (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Geisinger-HM Joint Venture, LLC Current Accepting new patients
Intermountain Medical Holdings Nevada Inc CurrentSince Feb 2, 2026 Accepting new patients
Geisinger Clinic Current Accepting new patients
Geisinger-HM Joint Venture LLC Hematology & Oncology CurrentSince Apr 3, 2023 Accepting new patients
Geisinger Clinic CurrentSince Jun 20, 2022 Accepting new patients
Geisinger-HM Joint Venture, LLC CurrentSince Apr 3, 2023 Accepting new patients
Intermountain Medical Holdings Nevada Inc Hematology & Oncology CurrentSince Feb 2, 2026 Accepting new patients
Geisinger Clinic CurrentSince Jun 20, 2022 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

2350 Corporate Cir
Ste 100
Henderson, NV 89074
Phone (702) 968-7210

3131 La Canada St
Ste 140
Las Vegas, NV 89169
Phone (702) 933-9400

6355 S Buffalo Dr
Fl 3
Las Vegas, NV 89113
Phone (702) 479-4881

4880 Wynn Rd
Las Vegas, NV 89103
Phone (702) 382-4554

1397 S Loop Rd
Pahrump, NV 89048
Phone (775) 727-5500

100 N Academy Ave
Danville, PA 17822

400 Highland Ave
Lewistown, PA 17044
Phone (717) 242-7473

10 Choate Cir
Montoursville, PA 17754
Phone (570) 368-5566

255 Route 220 Hwy
Muncy, PA 17756
Phone (570) 308-2600

Organizations & group practices 9

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.

Hospital & facility affiliations 38

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 38

NPI Registry JSON

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

{
    "created_epoch": "1309910400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770595200000",
    "number": "1245527670",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6355 S BUFFALO DR FL 3",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891132133",
            "telephone_number": "702-216-3346"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2350 CORPORATE CIR",
            "city": "HENDERSON",
            "state": "NV",
            "postal_code": "890747737",
            "telephone_number": "702-968-7210",
            "fax_number": "702-735-7153"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "317 S Manning Blvd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Albany",
            "state": "NY",
            "postal_code": "122083917",
            "country_code": "US",
            "telephone_number": "518-525-1404",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "Hildegard Medicus Cancer Center",
            "address_2": "1300 Massachusetts Avenue",
            "address_purpose": "LOCATION",
            "city": "Troy",
            "state": "NY",
            "postal_code": "12180",
            "country_code": "US",
            "telephone_number": "518-268-5060",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "317 S Manning Blvd Ste 220",
            "address_purpose": "LOCATION",
            "city": "Albany",
            "state": "NY",
            "postal_code": "122083909",
            "country_code": "US",
            "telephone_number": "518-525-6418",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11110 Medical Campus Rd Ste 130",
            "address_purpose": "LOCATION",
            "city": "Hagerstown",
            "state": "MD",
            "postal_code": "21742",
            "country_code": "US",
            "telephone_number": "301-665-4710",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10 Center Drive",
            "address_2": "NIH, Building 10/12N226",
            "address_purpose": "LOCATION",
            "city": "Bethesda",
            "state": "MD",
            "postal_code": "20892",
            "country_code": "US",
            "telephone_number": "301-496-1211",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11110 Medical Campus Rd Ste 130",
            "address_purpose": "LOCATION",
            "city": "Hagerstown",
            "state": "MD",
            "postal_code": "21742",
            "country_code": "US",
            "telephone_number": "301-665-4710",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2215 Burdett Ave",
            "address_purpose": "LOCATION",
            "city": "Troy",
            "state": "NY",
            "postal_code": "121802466",
            "country_code": "US",
            "telephone_number": "518-271-3775",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOTLYAR",
        "first_name": "DAVID",
        "middle_name": "SAM",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2011-07-06",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "PA",
            "license": "MD446692",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NY",
            "license": "300926",
            "primary": false
        },
        {
            "code": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": "NV",
            "license": "28488",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "28488",
            "state": "NV"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1245527670",
            "state": "NV"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Henderson, NV

Sources for this page

Verify at the official NPI Registry.