Individual provider Active NPI

Gregory James Haack, MD

  • Internal Medicine Physician
  • Wright Patterson Afb, OH
National Provider Identifier
1235125261
Registry record updated Apr 24, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
35.146219 Issued in OH
Practice address
4881 Sugar Maple Dr
Wright Patterson Afb, OH 45433-5529
Phone
(937) 257-9926
NPI assigned
Sep 26, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 24, 2024

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 01056726A IN
Internal Medicine Physician 207R00000X 35.146219 OH Primary

Addresses

Primary practice location

4881 Sugar Maple Dr
Wright Patterson Afb, OH 45433-5529

Mailing address

4881 Sugar Maple Dr
Wright Patterson Afb, OH 45433-5529
Phone (937) 257-9926

Other practice location 1

5678 Far Hills Ave
Dayton, OH 45429-2206
Phone (937) 245-7200

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20230131002865 OH Practitioner - Internal Medicine 9234377706 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
University of Cincinnati College of Medicine, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Alliance Physicians IncGroup PAC ID 0840104360, 314 clinicians
South Dayton Acute Care Consultants, IncGroup PAC ID 3577452465, 116 clinicians

Practice addresses (Care Compare)

2115 Leiter Rd
Miamisburg, OH 45342-3600
Phone (937) 384-6920

33 W Rahn Rd
Dayton, OH 45429-2219

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
84.17 of 100Reported as group
Quality
65.6
Promoting interoperability
100
Improvement activities
40
Cost
74.7

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Alliance Physicians Inc Internal Medicine CurrentSince Mar 28, 2025 Accepting new patients
South Dayton Acute Care Consultants, Inc Internal Medicine CurrentSince Apr 1, 2025 Accepting new patients
Lima Memorial Joint Operating Company Past Accepting new patients
Miami Valley Hospital Past Accepting new patients

Locations

33 W Rahn Rd
#101
Dayton, OH 45429
Phone 9374338990102

33 W Rahn Rd
Kettering, OH 45429
Phone 9374338990 ext. 102

5678 Far Hills Ave
Kettering, OH 45429
Phone (937) 279-8630

2115 Leiter Rd
Miamisburg, OH 45342
Phone (937) 384-6920

1625 S Alex Rd
West Carrollton, OH 45449
Phone (937) 865-0534

Organizations & group practices 4

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.

Hospital & facility affiliations 4

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

NPI Registry JSON

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

{
    "created_epoch": "1127692800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1713916800000",
    "number": "1235125261",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4881 SUGAR MAPLE DR",
            "city": "WRIGHT PATTERSON AFB",
            "state": "OH",
            "postal_code": "454335529",
            "telephone_number": "937-257-9926"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4881 SUGAR MAPLE DR",
            "city": "WRIGHT PATTERSON AFB",
            "state": "OH",
            "postal_code": "454335529",
            "telephone_number": "937-257-9926"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5678 Far Hills Ave",
            "address_purpose": "LOCATION",
            "city": "Dayton",
            "state": "OH",
            "postal_code": "454292206",
            "country_code": "US",
            "telephone_number": "937-245-7200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAACK",
        "first_name": "GREGORY",
        "middle_name": "JAMES",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-26",
        "last_updated": "2024-04-24",
        "certification_date": "2024-04-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "01056726A",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35.146219",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Wright Patterson Afb, OH

Sources for this page

Verify at the official NPI Registry.