Individual provider Active NPI

Diklar Makola, MD, PHD

  • Gastroenterology Physician
  • Dayton, OH
National Provider Identifier
1225246689
Registry record updated Feb 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
35.084226 Issued in OH
Practice address
75 Sylvania Dr
Dayton, OH 45440-3237
Phone
(937) 320-5050
NPI assigned
May 18, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 9, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X 35.084226 OH Primary

Addresses

Primary practice location

75 Sylvania Dr
Dayton, OH 45440-3237

Mailing address

One Gi Credentialing Department
PO Box 381468
Germantown, TN 38183-3237

Other practice location 1

9000 N Main St Ste 405
Englewood, OH 45415-1170
Phone (937) 320-5050

Other practice location 2

415 Byers Rd Ste 100
Miamisburg, OH 45342-3684
Phone (937) 320-5050

Other practice location 3

4200 Indian Ripple Rd
Dayton, OH 45440-3248
Phone (937) 320-5050

Other identifiers 1

IdentifierTypeStateIssuer
2776447MedicaidOH

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
I20071018000012 OH Practitioner - GastroenterologyPractitioner - Internal Medicine 7315033693 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Gastroenterology
Education
Other, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Dayton Gastroenterology, LLCGroup PAC ID 9537064407, 74 clinicians

Practice addresses (Care Compare)

75 Sylvania Dr
Dayton, OH 45440-3237
Phone (937) 320-5050

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Promoting interoperability
100
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy85
Upper gastrointestinal (GI) endoscopy for acid reflux94

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
35.084226OHMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dayton Gastroenterology LLC Gastroenterology CurrentSince Apr 15, 2016 Accepting new patients

Locations

Dayton Gastro Govt Ar Hc
New York, NY 10087

7740 Washington Village Dr
Ste 130
Dayton, OH 45459
Phone (513) 932-4891

75 Sylvania Dr
Dayton, OH 45440
Phone (937) 320-5050

75 Sylvania Dr
Ste 550
Dayton, OH 45440

4200 Indian Ripple Rd
Dayton, OH 45440
Phone (937) 320-5050

9000 N Main St
Ste 405
Englewood, OH 45415
Phone (937) 320-5050

415 Byers Rd
Ste 100
Miamisburg, OH 45342
Phone (937) 320-5050

Interoperability endpoints

  • FHIR API: https://5e3884cf-4770-450d-af77-2043acaa1ebe.gastro.prod.fhir.ema-api.com/fhir/r4/

Organizations & group practices 1

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 5

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": "1179446400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770595200000",
    "number": "1225246689",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "ONE GI CREDENTIALING DEPARTMENT",
            "address_2": "PO BOX 381468",
            "city": "GERMANTOWN",
            "state": "TN",
            "postal_code": "381833237"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "75 SYLVANIA DR",
            "city": "DAYTON",
            "state": "OH",
            "postal_code": "454403237",
            "telephone_number": "937-320-5050"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9000 N Main St Ste 405",
            "address_purpose": "LOCATION",
            "city": "Englewood",
            "state": "OH",
            "postal_code": "454151170",
            "country_code": "US",
            "telephone_number": "937-320-5050",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "415 Byers Rd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Miamisburg",
            "state": "OH",
            "postal_code": "453423684",
            "country_code": "US",
            "telephone_number": "937-320-5050",
            "fax_number": "937-320-5060",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4200 Indian Ripple Rd",
            "address_purpose": "LOCATION",
            "city": "Dayton",
            "state": "OH",
            "postal_code": "454403248",
            "country_code": "US",
            "telephone_number": "937-320-5050",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAKOLA",
        "first_name": "DIKLAR",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-18",
        "last_updated": "2026-02-09",
        "certification_date": "2026-02-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "OH",
            "license": "35.084226",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2776447",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Dayton, OH

Sources for this page

Verify at the official NPI Registry.