Mark I Degen, D.D.S., M.D.

Primary specialty

Oral and Maxillofacial Surgery (Dentist)Taxonomy code 1223S0112X

License

10535 Issued in NV

Practice address

6140 S Fort Apache Rd Ste 120
Las Vegas, NV 89148-6737

Phone

(702) 253-9090

Fax

(702) 253-9083

NPI assigned

Nov 22, 2006

Last updated

Feb 27, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

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

Green means eligible to order or refer.

Opted out of Medicare

Yes, effective Apr 3, 2015 through Apr 3, 2027

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mdegen13166@direct.umcsn.com

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

• Mark I Degen DDS MD LTD

  dba Red Rock Oral & Maxillofacial Surgery Centre

  • Oral and Maxillofacial Surgery Clinic/Center
  • Las Vegas, NV
  • NPI 1598946261
  NPD Authorized official

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

{
    "created_epoch": "1164153600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772150400000",
    "number": "1215002225",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4730 S FORT APACHE RD",
            "address_2": "STE 390",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891477945",
            "telephone_number": "702-253-9090",
            "fax_number": "702-253-9083"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6140 S FORT APACHE RD STE 120",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891486737",
            "telephone_number": "702-253-9090",
            "fax_number": "702-253-9083"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEGEN",
        "first_name": "MARK",
        "middle_name": "I",
        "credential": "D.D.S., M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-11-22",
        "last_updated": "2026-02-27",
        "certification_date": "2026-02-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223S0112X",
            "taxonomy_group": "",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": "NV",
            "license": "10535",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GROUP NPI NUMBER",
            "identifier": "1598946261",
            "state": "NV"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TAX ID",
            "identifier": "200078388",
            "state": "NV"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Vanessa Degado-Acosta
• Cindy Degan
• Maria Degan
• Fikir Degefu
• Chandra Lynn Degelbeck
• Justan Degeneffe
• Melanie Degidio
• Hillary Marie Degnan
• Katelyn Helen Degner, CPO
• Aaron Scott Degraff, PTA

• Oral and Maxillofacial Surgery (Dentist) in Las Vegas, NV
• Providers in Las Vegas, NV by specialty
• Oral and Maxillofacial Surgery (Dentist) in Nevada

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 27, 2026; 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; Opt Out Affidavits.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.