Geoffrey Kenneth Hahm, M.D.

Primary specialty

Anatomic Pathology & Clinical Pathology PhysicianTaxonomy code 207ZP0102X

License

35073158 Issued in OH

Practice address

3535 Southern Blvd.
Kettering, OH 45429

Phone

(937) 395-8849

Fax

(937) 395-8350

NPI assigned

May 11, 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 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

Specialty

Pathology

Education

Ohio State University College of Medicine, 1996

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Regional Pathology Services IncGroup PAC ID 7416846910, 9 clinicians

Kettering Pathology Associates IncGroup PAC ID 8426040171, 9 clinicians

Dayton Gastroenterology, LLCGroup PAC ID 9537064407, 74 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Kettering Health Dayton Hospital, Dayton, OH, CCN 360133
• Kettering Health Main Campus Hospital, Kettering, OH, CCN 360079
• Fort Hamilton Hughes Memorial Hospital Hospital, Hamilton, OH, CCN 360132
• Soin Medical Center Hospital, Beaver Creek, OH, CCN 360360
• Kettering Health Miamisburg Hospital, Miamisburg, OH, CCN 360239

Merit-based Incentive Payment System (MIPS)

Final score

83.51 of 100Reported as group

Quality

73.46

Improvement activities

40

Cost

73.34

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://5e3884cf-4770-450d-af77-2043acaa1ebe.gastro.prod.fhir.ema-api.com/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.

• Dayton Gastroenterology LLC

  • Gastroenterology Physician
  • Dayton, OH
  • NPI 1134345705
  Medicare reassignment Care Compare group NPD
• Regional Pathology Services Inc

  • Clinical Pathology/Laboratory Medicine Physician
  • Kettering, OH
  • NPI 1285683904
  Medicare reassignment Care Compare group NPD
• Kettering Pathology Associates Inc

  • Anatomic Pathology & Clinical Pathology Physician
  • Kettering, OH
  • NPI 1285683946
  Medicare reassignment Care Compare group

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Beavercreek Medical Center

  • General Acute Care Hospital
  • Beavercreek, OH
  • NPI 1760764849
  Care Compare affiliation
• Dayton Osteopathic Hospital

  • General Acute Care Hospital
  • Dayton, OH
  • NPI 1053339507
  Care Compare affiliation
• Kettering Medical Center

  • General Acute Care Hospital
  • Kettering, OH
  • NPI 1043233984
  Care Compare affiliation
• Kettering Medical Center

  • General Acute Care Hospital
  • Miamisburg, OH
  • NPI 1316966518
  Care Compare affiliation
• The Fort Hamilton Hospital

  • General Acute Care Hospital
  • Hamilton, OH
  • NPI 1104867167
  Care Compare affiliation

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

{
    "created_epoch": "1147305600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770595200000",
    "number": "1871543942",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3535 SOUTHERN BLVD",
            "city": "KETTERING",
            "state": "OH",
            "postal_code": "454291221",
            "telephone_number": "937-395-8849",
            "fax_number": "937-395-8350"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3535 SOUTHERN BLVD.",
            "city": "KETTERING",
            "state": "OH",
            "postal_code": "45429",
            "telephone_number": "937-395-8849",
            "fax_number": "937-395-8350"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Sylvania Dr",
            "address_purpose": "LOCATION",
            "city": "Dayton",
            "state": "OH",
            "postal_code": "454403237",
            "country_code": "US",
            "telephone_number": "937-320-5050",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAHM",
        "first_name": "GEOFFREY",
        "middle_name": "KENNETH",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-11",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207ZP0102X",
            "taxonomy_group": "",
            "desc": "Pathology, Anatomic Pathology & Clinical Pathology",
            "state": "OH",
            "license": "35073158",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2500645",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Allison Hackenberger, LPC
• Catherine Hadaway, M.D.
• David A Hadley, MD
• Hannah Haeseker
• Sara Hagan
• Harvey Sung-Ha Hahn, M.D.
• Roy Walter Haines, M.D.
• Susan G Haines, CRNA
• Fuad Hajjar, MD
• Michael H Halasz, D.D.S.

• Anatomic Pathology & Clinical Pathology Physician in Kettering, OH
• Providers in Kettering, OH by specialty
• Anatomic Pathology & Clinical Pathology Physician in Ohio

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 9, 2026; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.