Jeffrey Clark Ernst, MD

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

38513 Issued in WA

Practice address

23511 56TH Ave W Ste 105
Mountlake Terrace, WA 98043-5285

Phone

(206) 546-2421

Fax

(206) 542-9028

NPI assigned

Jun 20, 2006

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in WA

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

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jernst6757@direct.seattlechildrens.org

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.

• Richmond Pediatric Clinic Inc. P.S.

  • Pediatrics Physician
  • Shoreline, WA
  • NPI 1114962446
  Medicare reassignment NPD Authorized official
• Umbrella Pediatrics PC

  • Pediatrics Physician
  • Mountlake Terrace, WA
  • NPI 1720772387
  Medicare reassignment NPD
• Seattle Children'S Hospital

  • Home Infusion Agency
  • Bothell, WA
  • NPI 1245383348
  NPD (past)

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

{
    "created_epoch": "1150761600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739491200000",
    "number": "1790721736",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23511 56TH AVE W STE 105",
            "city": "MOUNTLAKE TERRACE",
            "state": "WA",
            "postal_code": "980435285",
            "telephone_number": "206-546-2421",
            "fax_number": "206-542-9028"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23511 56TH AVE W STE 105",
            "city": "MOUNTLAKE TERRACE",
            "state": "WA",
            "postal_code": "980435285",
            "telephone_number": "206-546-2421",
            "fax_number": "206-542-9028"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ERNST",
        "first_name": "JEFFREY",
        "middle_name": "CLARK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-20",
        "last_updated": "2025-02-14",
        "certification_date": "2025-02-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "WA",
            "license": "38513",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "8253270",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Daniel Mark Elliott Jr., LMHC-A
• Tyler Patrick Ellis
• Desiree Ender
• Ericson Hand and Nerve Center, PLLC
• William B. Ericson Jr., M.D.
• Sven Magnus Essle Brantaeng, MA
• Ets Consulting LLC
• Ets Consulting, LLC
• Evergreen Massage & Wellness
• Evolvwell Ecounseling & Supervision, PLLC

• Pediatrics Physician in Mountlake Terrace, WA
• Providers in Mountlake Terrace, WA by specialty
• Pediatrics Physician in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 14, 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.