Rebecca S Sinai, D.O.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

1261 Issued in NV

Practice address

7455 W Washington Ave Ste 200
Las Vegas, NV 89128-4338

Phone

(702) 749-8891

Fax

(702) 783-8575

NPI assigned

Feb 15, 2007

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in NV

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Internal Medicine

Education

Philadelphia College of Osteopathic Medicine, 2002

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• Lorian Health Home health agency, Las Vegas, NV, CCN 297099

Merit-based Incentive Payment System (MIPS)

Final score

25.26 of 100Reported as individual

Quality

0

Improvement activities

0

Cost

84.2

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rsinai@internal-med-specialists.direct.kno2fy.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.

• Internal Medicine Spec of Southern NV Grossman Panikkar Ghadishah Whi

  • Internal Medicine Physician
  • Las Vegas, NV
  • NPI 1013917640
  Medicare reassignment NPD
• Nevada Hospitalist Group LLP

  • Hospitalist Physician
  • Las Vegas, NV
  • NPI 1770812877

  Internal Medicine

  NPD
• Spring Valley Medical Center

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1346230323
  NPD (past)
• Summerlin Hospital Medical Center L L C

  • General Acute Care Hospital
  • Las Vegas, NV
  • NPI 1831189638
  NPD (past)

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

• Lorian Home Systems, Inc. of Las Vegas

  • Home Health Agency
  • Las Vegas, NV
  • NPI 1891853305
  Care Compare affiliation

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

{
    "created_epoch": "1171497600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782345600000",
    "number": "1699819631",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7455 W WASHINGTON AVE STE 200",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891284338",
            "telephone_number": "702-749-8891",
            "fax_number": "702-783-8575"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7455 W WASHINGTON AVE STE 200",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891284338",
            "telephone_number": "702-749-8891",
            "fax_number": "702-783-8575"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SINAI",
        "first_name": "REBECCA",
        "middle_name": "S",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-02-15",
        "last_updated": "2026-06-25",
        "certification_date": "2026-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NV",
            "license": "1261",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Faith Marie Simunick
• Sin City Health
• Mehdi Sina, MD
• Bisrat Sinafkish
• Kevin P. Sinai, D.O.
• Sincera Health Providers LLC
• Gerold Sinclair
• Jaclyn Sinclair
• Kelly Ann Sinclair
• Stephen Girard Sinclair III, DO

• Internal Medicine Physician in Las Vegas, NV
• Providers in Las Vegas, NV by specialty
• Internal Medicine Physician in Nevada

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 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.
• 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.