Karen A Diefenbach, M.D.

Primary specialty

Pediatric Surgery PhysicianTaxonomy code 2086S0120X

License

35.099337 Issued in OH

Practice address

555 S 18TH St
Columbus, OH 43205-2654

Phone

(614) 722-6200

NPI assigned

Jun 3, 2009

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in OH

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

• FHIR API: https://api.platform.athenahealth.com/2229/brand/3/csg/621/fhir/r4
• FHIR API: https://hkc.nationwidechildrens.org/FHIR/MYCHART/api/FHIR/R4

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.

• Nationwide Children'S Hospital

  • Multi-Specialty Clinic/Center
  • Columbus, OH
  • NPI 1851179873
  Medicare reassignment NPD
• Northwest Pediatric Specialists, LLC

  • Pediatrics Physician
  • Toledo, OH
  • NPI 1033709100
  Medicare reassignment NPD
• Children'S Surgical Associates, Corporation

  • Pediatric Surgery Physician
  • Columbus, OH
  • NPI 1417905324
  Medicare reassignment
• Nationwide Children'S Hospital

  • Durable Medical Equipment & Medical Supplies
  • Columbus, OH
  • NPI 1447061262
  NPD
• Lima Memorial Joint Operating Company

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  NPD (past)
• Nationwide Children'S Hospital

  • General Acute Care Hospital
  • Columbus, OH
  • NPI 1134152986
  NPD (past)
• Nationwide Children'S Hospital

  • Dental Clinic/Center
  • Columbus, OH
  • NPI 1407013964
  NPD (past)

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

{
    "created_epoch": "1243987200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1731974400000",
    "number": "1164658258",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "700 CHILDRENS DR",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432052664",
            "telephone_number": "614-722-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "555 S 18TH ST",
            "city": "COLUMBUS",
            "state": "OH",
            "postal_code": "432052654",
            "telephone_number": "614-722-6200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5665 Venture Dr",
            "address_purpose": "LOCATION",
            "city": "Dublin",
            "state": "OH",
            "postal_code": "430172159",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "536 S Trimble Rd",
            "address_purpose": "LOCATION",
            "city": "Mansfield",
            "state": "OH",
            "postal_code": "449063418",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "455 Executive Campus Dr",
            "address_purpose": "LOCATION",
            "city": "Westerville",
            "state": "OH",
            "postal_code": "430828870",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "700 Childrens Dr",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432052664",
            "country_code": "US",
            "telephone_number": "614-722-6200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2222 Cherry St Ste 1800",
            "address_purpose": "LOCATION",
            "city": "Toledo",
            "state": "OH",
            "postal_code": "436082679",
            "country_code": "US",
            "telephone_number": "614-722-4300",
            "fax_number": "614-722-7766",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2213 Cherry St",
            "address_purpose": "LOCATION",
            "city": "Toledo",
            "state": "OH",
            "postal_code": "436082603",
            "country_code": "US",
            "telephone_number": "419-251-4300",
            "fax_number": "419-251-7766",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "26 Hospital Dr",
            "address_purpose": "LOCATION",
            "city": "Athens",
            "state": "OH",
            "postal_code": "457012471",
            "country_code": "US",
            "telephone_number": "614-722-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIEFENBACH",
        "first_name": "KAREN",
        "middle_name": "A",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-06-03",
        "last_updated": "2024-11-19",
        "certification_date": "2024-11-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "OH",
            "license": "35.099337",
            "primary": false
        },
        {
            "code": "2086S0120X",
            "taxonomy_group": "",
            "desc": "Surgery, Pediatric Surgery",
            "state": "OH",
            "license": "35.099337",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0067098",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Haley Dicus, MSW, LSW
• Hannah Dicus, LSW
• Courtney Nicole Didonato, DO
• Kathleen Diedalis, CST/CSFA
• Michelle Diederich, CNP
• Ellen Marie Diefenderfer, PA-C
• Devale Diehl, CDCA II
• Jason James Diehl, MD
• Jerry Diehl
• Kelsey Ann Diehl, NP-C

• Pediatric Surgery Physician in Columbus, OH
• Providers in Columbus, OH by specialty
• Pediatric Surgery Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 19, 2024; 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.