Mary Katherine Demboske, CNP
Gerontology Nurse Practitioner · Sandusky, OH
Mary Katherine Demboske, CNP is a gerontology nurse practitioner with a practice address in Sandusky, Ohio, and NPI 1699346031, issued on Jul 7, 2021. Check the license (Ohio APRN.CNP.0029217, as entered in NPPES) with the Ohio board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Katherine Demboske
- Credential
- CNP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- APRN.CNP.0029217 OH
Self-reported in NPPES; status is on the state search - Practice location
- 701 Tyler St, Sandusky, OH 44870
- Phone
- (419) 557-7480
- Enumerated
- Jul 7, 2021
- Record last updated
- Jan 4, 2022
- Medicare enrollment
- Enrolled (PECOS I20210722003221); accepts Medicare assignment
- Medical or professional school
- Ohio State University College Of Medicine, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 526 in Ohio → Look up another NPI →
Also registered at 701 Tyler St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Adamowicz, DOInternal Medicine Physician1760645170
- James Fanning, M.D.Hematology & Oncology Physician1861443897
- Deana Kehres, MSN, CNS, AOCNSOncology Clinical Nurse Specialist1013154376
- Norleena Poynter, MDRadiation Oncology Physician1750549119
- Amy Reese, M.D.Hematology & Oncology Physician1497727812
- Gregory Surfield, MDPlastic Surgery Physician1154380541
Verify Mary Katherine Demboske in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Ohio board licenses this profession
Search for license APRN.CNP.0029217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
262 Medicare Part D claims for 114 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Anastrozole48 claims
- Tamoxifen Citrate34 claims
- Folic Acid16 claims
- Eliquis13 claims
- Letrozole13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $127.04
6 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- North Coast Professional Company, LLCSandusky, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Katherine Demboske among 526 gerontology nurse practitioner records in Ohio
Mary Katherine Demboske, CNP is one of 526 gerontology nurse practitioner records with a practice address in Ohio. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 66% of them.
- NPI issued2021 · 66% of these records are older, 27% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2021 · median 2019 among the 369 with a school on file
- Record last updated2022 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Ohio
There are 526 gerontology nurse practitioner records in Ohio.
All 526 in Ohio → Every provider in Sandusky → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Michelle Buehrer, NURSE PRACTIONERSandusky, OH 448701730692161
- Patricia Grenier, CNPMansfield, OH 449031669952016
- Mendy LafonMansfield, OH 449031851943724
- Beth Steinmetz, AGPCNP-BCOntario, OH 449061730675216
- Ashley Wilford, AGPCNP-BCMansfield, OH 449061528448735
- Carrie Hancock, CNPAshland, OH 448051700447158
- Courtney St ClairAshland, OH 448051508575168
- Christopher Cordell, AGPCNP-BCMiddletown, OH 450051730687112
Common questions
What is Mary Katherine Demboske, CNP's NPI number?
Mary Katherine Demboske, CNP's National Provider Identifier (NPI) is 1699346031, issued on Jul 7, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Mary Katherine Demboske, CNP located?
The NPPES record lists a practice address at 701 Tyler St, Sandusky, OH, 44870. Phone: (419) 557-7480. Providers update this record themselves, so call before visiting.
How can I verify Mary Katherine Demboske, CNP's license?
NPPES lists Ohio license number APRN.CNP.0029217, as entered by the provider. Search the Ohio board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Katherine Demboske, CNP prescribe under Medicare Part D?
In 2024, Mary Katherine Demboske, CNP had 262 Medicare Part D claims for 114 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. Part D covers Medicare prescriptions only.
What is Mary Katherine Demboske, CNP's MIPS final score?
The 2023 MIPS final score is 86.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.