DR. MARGARET MARIA POZNALSKA DO
NPI 1275834665
Emergency Medicine in Sandusky, OH
About Dr. Margaret Maria Poznalska Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARET MARIA POZNALSKA DO (NPI 1275834665) is an individual emergency medicine provider in Sandusky, Ohio, licensed in Ohio (34.010428) and active in the NPI registry since November 2010. She is enrolled in Medicare PECOS, is affiliated with Ohiohealth O'bleness Hospital, and maintains a secondary practice location in Perrysburg.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Margaret Maria Poznalska Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ohiohealth O'bleness Hospital
Acute Care Hospitals · Athens, OHFirelands Regional Medical Center
Acute Care Hospitals · Sandusky, OHCleveland Clinic
Acute Care Hospitals · Cleveland, OHAdena Fayette Medical Center
Critical Access Hospitals · Washington Ch, OHAdena Pike Medical Center
Critical Access Hospitals · Waverly, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44870 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Margaret Poznalska's NPI number?
The NPI number for Margaret Poznalska is 1275834665. It was assigned to this individual provider in the NPPES registry on November 16, 2010.
Where is Margaret Poznalska located?
Margaret Poznalska practices at 1111 Hayes Avenue, Sandusky, OH 44870. The listed phone number is (419) 557-7400.
What is Margaret Poznalska's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Margaret Poznalska enrolled in Medicare?
Yes. Margaret Poznalska is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Margaret Poznalska accept?
Health plans from Antidote Health Plan of Ohio, Inc., CareSource, Medica, Molina Healthcare and Oscar Health Maintenance Organization of Florida and 1 other insurer list Margaret Poznalska as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Margaret Poznalska affiliated with any hospitals?
According to CMS data, Margaret Poznalska is affiliated with Ohiohealth O'bleness Hospital, Firelands Regional Medical Center, Cleveland Clinic, Adena Fayette Medical Center and Adena Pike Medical Center.
When was this NPI record last updated?
The NPPES record for Margaret Poznalska was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Margaret Maria Poznalska, DO · NPI 1275834665
Emergency Medicine physician in Sandusky, Ohio. Individual provider, active in the CMS NPPES registry since November 16, 2010.
## Identity
- **NPI:** 1275834665 (Entity type: Individual)
- **Enumerated:** November 16, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 34.010428 (Ohio)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1111 HAYES AVENUE, Sandusky, OH 44870
- **Phone:** (419) 557-7400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Lake Erie College Of Osteopathic Medicine, Erie, class of 2010
## Record status
- **NPPES last updated:** June 9, 2026
- **Other identifiers:** Medicaid 0071680 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1275834665) · Data from the CMS NPPES public registry.