Jon L Siems, M.D.

Primary specialty

SpecialistTaxonomy code 174400000X

License

9250 Issued in NV

Practice address

3810 E Flamingo Rd
Las Vegas, NV 89121-6227

Phone

(702) 948-2010

Fax

(702) 920-8787

NPI assigned

Jul 29, 2005

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Luis a Moreno Jr MD Professional Corporation

  • Emergency Medical Services (Emergency Medicine) Physician
  • Las Vegas, NV
  • NPI 1467260026
  NPD
• Sand

  • Optometrist
  • Las Vegas, NV
  • NPI 1538413802
  NPD (past)

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

{
    "created_epoch": "1122595200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1715644800000",
    "number": "1528068640",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3810 E FLAMINGO RD",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891216227",
            "telephone_number": "702-948-2010",
            "fax_number": "702-920-8787"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3810 E FLAMINGO RD",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891216227",
            "telephone_number": "702-948-2010",
            "fax_number": "702-920-8787"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEMS",
        "first_name": "JON",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-07-29",
        "last_updated": "2024-05-14",
        "certification_date": "2024-05-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "NV",
            "license": "9250",
            "primary": true
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "NV",
            "license": "9250",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2018998",
            "state": "NV"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Sieglor, LLC
• William Cyril Siegrist, QMHA
• Jessica Siekierski
• Dale Ann Sielczak
• James Siems
• Siena Hospice LLC
• Sienna Care Home Health LLC
• Sierra Care Health Services P C
• Sierra Health and Life Insurance Co.
• Sierra Home Medical Products Inc

• All providers in Las Vegas, NV
• Specialist in Nevada

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 14, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.