Omar Alnaser, M.D.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

84494-20 Issued in WI

Practice address

3200 E Racine St
Janesville, WI 53546-2343

Phone

(608) 371-8000

Fax

(608) 371-8919

NPI assigned

Jun 7, 2022

Last updated

Nov 7, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in WI

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: oalnaser553195@direct-ehr-ssmhc.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.

• Dean Health Systems, Inc

  dba SSM Health Dean Medical Group

  • Allergy & Immunology Physician
  • Madison, WI
  • NPI 1053358846
  Medicare reassignment NPD
• Dean Health Systems, Inc.

  dba SSM Health Davis Duehr Dean Eye Care - Portage

  • Durable Medical Equipment & Medical Supplies
  • Portage, WI
  • NPI 1427085679
  NPD

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

{
    "created_epoch": "1654560000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762473600000",
    "number": "1396474201",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3200 E RACINE ST",
            "city": "JANESVILLE",
            "state": "WI",
            "postal_code": "535462343",
            "telephone_number": "608-371-8000",
            "fax_number": "608-371-8919"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3200 E RACINE ST",
            "city": "JANESVILLE",
            "state": "WI",
            "postal_code": "535462343",
            "telephone_number": "608-371-8000",
            "fax_number": "608-371-8919"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALNASER",
        "first_name": "OMAR",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-06-07",
        "last_updated": "2025-11-07",
        "certification_date": "2025-11-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WI",
            "license": "84494-20",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "3200 E Racine St",
            "city": "Janesville",
            "state": "WI",
            "country_code": "US",
            "postal_code": "535462343",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "oalnaser553195@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "oalnaser553195@direct-ehr-ssmhc.com",
            "address_1": "3200 E Racine St",
            "city": "Janesville",
            "state": "WI",
            "country_code": "US",
            "postal_code": "535462343",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Chad Alladin, LAT
• Emily Grace Allbee
• Caroline Thadda Allen, LMT
• Kendra Lee Allen, COTA
• Rachel Diane Allen, MD
• Giuseppe A Altamore, DO
• Arthur Mark Altbuch, M.D.
• Amanda Deremo
• Jenny Rebecca Amani, M.D.
• Melissa R Amertil, MD

• Pediatrics Physician in Janesville, WI
• Providers in Janesville, WI by specialty
• Pediatrics Physician in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 7, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.