Robert James Hertzfeld, M.D.

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

35030990 Issued in OH

Practice address

3404 W Sylvania Ave
Toledo, OH 43623-4467

Phone

(419) 407-2440

NPI assigned

Jun 21, 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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

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 and National Provider Directory roles.

• Emergency Physicians of Northwest Ohio, LLC

  • Emergency Medicine Physician
  • Fostoria, OH
  • NPI 1417911892
  NPD (past)

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

{
    "created_epoch": "1119312000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1932104460",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "792 ELK RDG",
            "city": "NORTHWOOD",
            "state": "OH",
            "postal_code": "436192659",
            "telephone_number": "419-691-7256"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3404 W SYLVANIA AVE",
            "city": "TOLEDO",
            "state": "OH",
            "postal_code": "436234467",
            "telephone_number": "419-407-2440"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HERTZFELD",
        "first_name": "ROBERT",
        "middle_name": "JAMES",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-21",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "OH",
            "license": "35030990",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Arnisha Herron-Tatum
• Amanda Lynn Herron
• Katherine Hertzfeld
• Kimberlee Denise Hertzfeld, P.T.
• Kimberly Jean Hertzfeld, CNM
• Kaleigh Herwat
• Cris Herzog
• Kendall Hess
• Sue Hess, LPTA
• Susan Marie Hessey, SUSAN

• Anesthesiology Physician in Toledo, OH
• Providers in Toledo, OH by specialty
• Anesthesiology Physician in Ohio

• 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.