Individual provider Active NPI

Abdulla Taja, MD

  • Gastroenterology Physician
  • Lima, OH
National Provider Identifier
1811954142
Registry record updated Jan 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
35084655 Issued in OH
Practice address
375 N Eastown Rd
Lima, OH 45807-2214
Phone
(419) 228-3500
Fax
(419) 228-6700
NPI assigned
Apr 28, 2006
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 7, 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 35084655 OH Primary

Addresses

Primary practice location

375 N Eastown Rd
Lima, OH 45807-2214

Mailing address

375 N Eastown Rd
Lima, OH 45807-2209
Phone (419) 228-3500

Other identifiers 3

IdentifierTypeStateIssuer
000000340019OtherOHANTHEM
3603418OtherOHAETNA
2488197MedicaidOH

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
I20040721001107 OH Practitioner - GastroenterologyPractitioner - Internal Medicine 2163402108 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Other, 1979
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Gastroenterology of West Central Ohio, Inc.Group PAC ID 5496857336, 2 clinicians
Mercy Health Physicians Lima Specialty Care LLCGroup PAC ID 7012332364, 254 clinicians

Practice addresses (Care Compare)

375 N Eastown Rd
Suite a
Lima, OH 45807-2209
Phone (419) 228-3500

730 W Market St
Suite 2K
Lima, OH 45801-4602
Phone (419) 996-2714

Hospital & facility affiliations

  • Mercy Health St Ritas Medical Center Hospital, Lima, OH, CCN 360066
  • Wilson Memorial Hospital Hospital, Sidney, OH, CCN 360013
  • Lima Memorial Health System Hospital, Lima, OH, CCN 360009
  • Kindred Hospital Lima Long-term care hospital, Lima, OH, CCN 362020

Merit-based Incentive Payment System (MIPS)

Final score
88.71 of 100Reported as group
Quality
83.96
Promoting interoperability
98
Improvement activities
40
Cost
75.99

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy246
Upper gastrointestinal (GI) endoscopy for acid reflux303

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
35084655OHMDGastroenterology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Health Physicians Lima Specialty Care LLC CurrentSince Feb 2, 2026 Accepting new patients
West Central Ohio Histology, LLC CurrentSince Nov 25, 2013 Accepting new patients
Digestive Health & Endoscopy Center LLC CurrentSince Mar 10, 2009 Accepting new patients
Lima Memorial Joint Operating Company Past Accepting new patients

Locations

375 N Eastown Rd
Ste A
Lima, OH 45807
Phone (419) 221-1394

730 W Market St
Ste 2K
Lima, OH 45801
Phone (419) 996-5852

830 W High St
Ste 390
Lima, OH 45801
Phone (419) 995-4960

375 N Eastown Rd
Lima, OH 45807
Phone (419) 228-3500

Interoperability endpoints

  • Direct secure messaging: ataja53755@direct.bsmhealth.org

Organizations & group practices 5

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": "1146182400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767744000000",
    "number": "1811954142",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "375 N EASTOWN RD",
            "city": "LIMA",
            "state": "OH",
            "postal_code": "458072209",
            "telephone_number": "419-228-3500",
            "fax_number": "419-228-6700"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "375 N EASTOWN RD",
            "city": "LIMA",
            "state": "OH",
            "postal_code": "458072214",
            "telephone_number": "419-228-3500",
            "fax_number": "419-228-6700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAJA",
        "first_name": "ABDULLA",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-04-28",
        "last_updated": "2026-01-07",
        "certification_date": "2026-01-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "OH",
            "license": "35084655",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "000000340019",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "3603418",
            "state": "OH"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2488197",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Lima, OH

Sources for this page

Verify at the official NPI Registry.