Individual provider Active NPI

Margaret Maria Poznalska, DO

  • Emergency Medicine Physician
  • Sandusky, OH
National Provider Identifier
1275834665
Registry record updated Jun 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
34.010428 Issued in OH
Practice address
1111 Hayes Avenue
Sandusky, OH 44870
Phone
(419) 557-7400
NPI assigned
Nov 16, 2010
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 9, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 22816 MS
Emergency Medicine Physician 207P00000X 5101027286 MI
Emergency Medicine Physician 207P00000X 34.010428 OH Primary

Addresses

Primary practice location

1111 Hayes Avenue
Sandusky, OH 44870

Mailing address

675 Racebrook Rd
Gates Mills, OH 44040-1960
Phone (330) 397-3827

Other practice location 1

1055 Valley Bluff Dr
apt #3
Perrysburg, OH 43551-2877
Phone (330) 397-3827

Other identifiers 1

IdentifierTypeStateIssuer
0071680MedicaidOH

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in OH, MI, IN3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20121017000692 OH Practitioner - Emergency Medicine 8527218189 Reassigns benefits to 19 organizations
I20230328001400 MI Practitioner - Emergency Medicine 8527218189 Reassigns benefits to 1 organization
I20230626002876 IN Practitioner - Emergency Medicine 8527218189 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Lake Erie College of Osteopathic Medicine, Erie, 2010
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
ER-Doc IncGroup PAC ID 1658318977, 13 clinicians
Ohio Valley Physicians IncGroup PAC ID 8729032966, 130 clinicians
Cleveland ClinicGroup PAC ID 1850203555, 6,954 clinicians

Practice addresses (Care Compare)

1111 Hayes Ave
Sandusky, OH 44870-3323
Phone (419) 557-7455

1430 Columbus Ave
Washington Court House, OH 43160-1703
Phone (740) 335-1210

55 Hospital Dr
Athens, OH 45701-2302
Phone (740) 592-9349

9500 Euclid Ave
Cleveland, OH 44195-0001
Phone (216) 444-2200

Hospital & facility affiliations

  • Ohiohealth O'Bleness Hospital Hospital, Athens, OH, CCN 360014
  • Adena Pike Medical Center Hospital, Waverly, OH, CCN 361334
  • Firelands Regional Medical Center Hospital, Sandusky, OH, CCN 360025
  • Cleveland Clinic Hospital, Cleveland, OH, CCN 360180

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
5101027286MIMDEmergency Medicine Physician
34.010428OHMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mid-Ohio Emergency Group, LLC Emergency Medicine CurrentSince Jul 14, 2020 Accepting new patients
Ohio Emergency Professionals Inc Emergency Medicine CurrentSince Jul 1, 2015 Accepting new patients
Magis Emergency Medicine LLC Emergency Medicine CurrentSince Nov 20, 2015 Accepting new patients
Ohio Valley Physicians Inc Emergency Medicine CurrentSince Mar 1, 2025 Accepting new patients
Summa Emergency Associates, Inc. Emergency Medicine CurrentSince Aug 5, 2021 Accepting new patients
Emergency Professional Services, Inc. Emergency Medicine CurrentSince Mar 1, 2014 Accepting new patients
The Cleveland Clinic Foundation CurrentSince Feb 22, 2020 Accepting new patients
Hospitalist Medicine Physicians of Ohio - Cincinnati Professional Corp Emergency Medicine CurrentSince Nov 16, 2024 Accepting new patients
University Hospitals Urgent Care, LLC CurrentSince Feb 13, 2025 Accepting new patients
Ohio Valley Physicians Inc CurrentSince Mar 1, 2025 Accepting new patients
University Hospitals Urgent Care, LLC CurrentSince Feb 13, 2025 Accepting new patients
Summa Emergency Associates Emergency Medicine CurrentSince Aug 5, 2021 Accepting new patients
Hometown Urgent Care of Michigan, PC CurrentSince Dec 1, 2022 Accepting new patients
Holzer Clinic, LLC CurrentSince Mar 1, 2025 Accepting new patients
Ohio Emergency Care Services, Inc Emergency Medicine CurrentSince Jan 1, 2024 Accepting new patients
Pic Indiana PC CurrentSince Jul 21, 2023 Accepting new patients
Hometown Urgent Care of Michigan, P.C. CurrentSince Dec 1, 2022 Accepting new patients
Physicians Link Center LLC Emergency Medicine CurrentSince Jul 15, 2020 Accepting new patients
Knox Emergency Services, LLC Emergency Medicine CurrentSince Jul 1, 2021 Accepting new patients
Mahoning Valley Emergency Specialists LLC Emergency Medicine CurrentSince Oct 6, 2014 Accepting new patients
Emergency Department Physicians, P.C. Emergency Medicine CurrentSince Apr 25, 2023 Accepting new patients
Erie Banks Emergency Physicians LLC Emergency Medicine Past Accepting new patients
Aria Eye Care, LLC Past Accepting new patients

Locations (25 of 42)

3019 N National Rd
Columbus, IN 47201
Phone (812) 314-7617

924 W Pike St
Goshen, IN 46526
Phone (574) 312-7056

505 W Cleveland Rd
Mishawaka, IN 46545
Phone (574) 235-3135

12420 Milestone Center Dr
Ste 200
Germantown, MD 20876
Phone (336) 509-7515

36750 26 Mile Rd
Chesterfield, MI 48047
Phone (586) 879-2000

27351 Dequindre Rd
Madison Hts, MI 48071
Phone (248) 967-7000

1025 Center St
Ashland, OH 44805
Phone (419) 207-2370

2420 Lake Ave
Ashtabula, OH 44004
Phone (216) 986-2919

3315 N Ridge Rd E
Ste 700A
Ashtabula, OH 44004
Phone (440) 484-2130

55 Hospital Dr
Athens, OH 45701
Phone (740) 592-9349

33300 Cleveland Clinic Blvd
Avon, OH 44011
Phone (440) 686-0105

3909 Orange Pl
Ste 2100
Beachwood, OH 44122
Phone (216) 896-1800

5901 E Royalton Rd
Broadview Heights, OH 44147
Phone (440) 792-9005

1341 Clark St
Cambridge, OH 43725
Phone (614) 439-8900

272 Hospital Rd
Chillicothe, OH 45601
Phone (740) 779-4275

3999 Richmond Rd
Cleveland, OH 44122
Phone (216) 293-8226

9500 Euclid Ave
Cleveland, OH 44195
Phone (216) 442-1270

44 Blaine Ave
Cleveland, OH 44146
Phone (330) 528-3593

4300 Clime Rd
Ste 110
Columbus, OH 43228
Phone (614) 272-1100

1615 Morse Rd
Columbus, OH 43229
Phone (614) 681-1100

1900 23rd St
Cuyahoga Fls, OH 44223
Phone (330) 929-2685

561 W Central Ave
Delaware, OH 43015
Phone (614) 566-9983

100 Jackson Pike
Gallipolis, OH 45631
Phone (740) 446-5050

936 State Route 160
Gallipolis, OH 45631
Phone (740) 446-4600

550 Mirabeau St
Greenfield, OH 45123
Phone (937) 672-4128

Interoperability endpoints

  • Direct secure messaging: mpoznalska662093@ehrdirect.uhhospitals.org

Organizations & group practices 27

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.

View all 27

Hospital & facility affiliations 8

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": "1289865600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780963200000",
    "number": "1275834665",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "675 RACEBROOK RD",
            "city": "GATES MILLS",
            "state": "OH",
            "postal_code": "440401960",
            "telephone_number": "330-397-3827"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1111 HAYES AVENUE",
            "city": "SANDUSKY",
            "state": "OH",
            "postal_code": "44870",
            "telephone_number": "419-557-7400"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1055 Valley Bluff Dr",
            "address_2": "apt #3",
            "address_purpose": "LOCATION",
            "city": "Perrysburg",
            "state": "OH",
            "postal_code": "435512877",
            "country_code": "US",
            "telephone_number": "330-397-3827",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "POZNALSKA",
        "first_name": "MARGARET",
        "middle_name": "MARIA",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2010-11-16",
        "last_updated": "2026-06-09",
        "certification_date": "2026-06-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MS",
            "license": "22816",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MI",
            "license": "5101027286",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "OH",
            "license": "34.010428",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0071680",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Sandusky, OH

Sources for this page

Verify at the official NPI Registry.