Klaus D. Gierke, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

13305 Issued in AZ

Practice address

1800 E Florence Blvd
Casa Grande, AZ 85222-5303

Phone

(520) 381-6300

Fax

(520) 381-6618

NPI assigned

Feb 2, 2006

Last updated

Jul 13, 2026By 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

Other identifiers 2

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

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.

• Casa Grande Emergency Physicians PLLC

  • Emergency Medicine Physician
  • Casa Grande, AZ
  • NPI 1871589051
  NPD (past)
• Southwest Emergency Physicians, PLLC

  • Emergency Medicine Physician
  • Yuma, AZ
  • NPI 1992732259
  NPD (past)

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

{
    "created_epoch": "1138838400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1316919673",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 847854",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752847854",
            "telephone_number": "800-377-8721",
            "fax_number": "304-523-2241"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 E FLORENCE BLVD",
            "city": "CASA GRANDE",
            "state": "AZ",
            "postal_code": "852225303",
            "telephone_number": "520-381-6300",
            "fax_number": "520-381-6618"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GIERKE",
        "first_name": "KLAUS",
        "middle_name": "D.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-02",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "AZ",
            "license": "13305",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "234526",
            "state": "AZ"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUECROSS BLUESHIELD",
            "identifier": "AZ0898580",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Gerald Muthu, LLC
• Kristin Marie Gerdes, CRNA
• German Dobson CVS LLC (CVS Pharmacy #17959)
• German Dobson CVS, L.L.C. (CVS Pharmacy #00086)
• Joban Ghuman, M.D.
• Dasanii Joann Gilder
• Gregory R Giordano, DMD
• Henry L Givre, MD
• Bianca Glab, PHARMD
• Tyler Glassford, FNP-C

• Emergency Medicine Physician in Casa Grande, AZ
• Providers in Casa Grande, AZ by specialty
• Emergency Medicine Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; 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.