John A. Siefert, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

G68507 Issued in CA

Practice address

34800 Bob Wilson Dr
San Diego, CA 92134-4307

Phone

(619) 532-7427

NPI assigned

Sep 26, 2005

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jsiefert33603@scrippshlth.medalliesdirect.net

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.

• Scripps Health

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1487928891
  NPD
• Emergency Services Medical Corporation

  • Emergency Medicine Physician
  • San Diego, CA
  • NPI 1699725069
  NPD (past)
• Grossmont Emergency Medical Group

  • Emergency Medicine Physician
  • La Mesa, CA
  • NPI 1861437501
  NPD (past)
• Melvin a. Ochs, M.D., Medica Corp

  • Emergency Medicine Physician
  • Chula Vista, CA
  • NPI 1538199328
  NPD (past)

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

{
    "created_epoch": "1127692800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1731369600000",
    "number": "1124014162",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "827 J AVE",
            "city": "CORONADO",
            "state": "CA",
            "postal_code": "921182414",
            "telephone_number": "619-607-5112"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "34800 BOB WILSON DR",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921344307",
            "telephone_number": "619-532-7427"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEFERT",
        "first_name": "JOHN",
        "middle_name": "A.",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-26",
        "last_updated": "2024-11-12",
        "certification_date": "2024-11-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "G68507",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G685070",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lauren Siebert, MSED
• Teresa Siedenburg
• Suzanne Siedler, NP
• Edwin Louis Siefert
• Jessica Siefert, BCABA
• Matthew Siefert
• Jonathan M. Siegel, MD
• Jennifer V. Sieger, RN, BSN, RRT
• Kaitlyn Siegfried, ASW
• Michael Pesey Siem

• Emergency Medicine Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Emergency Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 12, 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.