NPIMap

Individual provider Active NPI

Magdalena Barbara Sikora, M.D.

  • Nephrology Physician
  • Lawton, OK
National Provider Identifier
1598896110
Registry record updated Jan 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
28703 Issued in OK
Practice address
4417 W Gore Blvd Ste 3
Lawton, OK 73505-5978
Phone
(580) 699-5400
Fax
(580) 699-5405
NPI assigned
Mar 7, 2007
Last updated
Jan 15, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X 28703 OK Primary

Addresses

Primary practice location

4417 W Gore Blvd Ste 3
Lawton, OK 73505-5978

Mailing address

22 NW Shelter Lake Dr
Lawton, OK 73505-3739
Phone (801) 833-6878

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OK
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20120110000646 OK Practitioner - Nephrology 2062688229 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nephrology
Education
Other, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Dallas Renal Group, P.a.Group PAC ID 0244277283, 52 clinicians

Practice addresses (Care Compare)

4417 W Gore Blvd
B3 DRG Lawton Office
Lawton, OK 73505-5978
Phone (972) 274-5555

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Dallas Renal Group PA Nephrology CurrentSince Nov 5, 2018 Accepting new patients
Jackson County Memorial Hospital Authority Past Accepting new patients
Comanche County Hospital Authority Past Accepting new patients
Duncan Regional Hospital, Inc. Past Accepting new patients

Locations

4411 W Gore Blvd
Ste B3
Lawton, OK 73505
Phone (580) 536-5300

4417 W Gore Blvd
Ste 1
Lawton, OK 73505
Phone (580) 536-5273

4417 W Gore Blvd
Ste 3
Lawton, OK 73505
Phone (580) 357-1002

4417 W Gore Blvd
Ste B3
Lawton, OK 73505
Phone (972) 274-5555

3571 W Wheatland Rd
#101
Dallas, TX 75237
Phone (972) 274-5555

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/HEHCAD
  • Direct secure messaging: magdalena.sikora@drg.eclinicaldirectplus.com

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 10

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": "1173225600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768435200000",
    "number": "1598896110",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22 NW SHELTER LAKE DR",
            "city": "LAWTON",
            "state": "OK",
            "postal_code": "735053739",
            "telephone_number": "801-833-6878"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4417 W GORE BLVD STE 3",
            "city": "LAWTON",
            "state": "OK",
            "postal_code": "735055978",
            "telephone_number": "580-699-5400",
            "fax_number": "580-699-5405"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIKORA",
        "first_name": "MAGDALENA",
        "middle_name": "BARBARA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-03-07",
        "last_updated": "2026-01-15",
        "certification_date": "2026-01-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "OK",
            "license": "28703",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Lawton, OK

Sources for this page

Verify at the official NPI Registry.