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Dr. Mark Richard Sniadanko, DO
NPI1003011834PAC ID1355439779
- Medicare services, 2024
- 301
- Medicare patients, 2024
- 263
- Part D claims, 2024
- 221
- Clinical trials
- 10
- Hospital affiliations
- 2
- Practice address
- 885 North Sandusky Avenue, Upper Sandusky, OH 43351
- Practice phone
- Call (419) 294-4991
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sniadanko's professional email, personal email and mobile number
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Dr. Mark Richard Sniadanko is an emergency medicine physician in Upper Sandusky, Ohio
Dr. Sniadanko practices at Wyandot Memorial Hospital in Upper Sandusky, Ohio, part of Wyandot Memorial Hospital.
Dr. Sniadanko's NPI, 1003011834, was assigned on June 20, 2007. Dr. Sniadanko holds Ohio license 34-008693.
NPI and contact details
- NPI
- 1003011834NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355439779
- NPI enumeration date
- June 20, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (419) 294-4991
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Richard Sniadanko practices at Wyandot Memorial Hospital in Upper Sandusky, Ohio
Dr. Sniadanko's primary practice is Wyandot Memorial Hospital, at 885 North Sandusky Avenue, Upper Sandusky, OH 43351 in Wyandot County. The practice phone is (419) 294-4991.
- Wyandot Memorial Hospital885 North Sandusky Avenue, Upper Sandusky, OH 43351 · Wyandot CountyPhone(419) 294-4991
Source: Dmand AI Affiliation Data
Dr. Mark Richard Sniadanko is affiliated with 2 sites of care and 1 medical group
Dr. Sniadanko's primary practice is Wyandot Memorial Hospital in Upper Sandusky, Ohio, part of Wyandot Memorial Hospital. Dr. Sniadanko is also affiliated with Mercy Health - St. Vincent Medical Center. The medical group on file is Emergency Professional Services of Ohio, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Richard Sniadanko's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sniadanko practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wyandot Memorial Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Richard Sniadanko is one of 2,401 emergency medicine physicians in Ohio
Emergency medicine is Dr. Sniadanko's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Sniadanko is licensed in Ohio.
Specialties and state licenses
- Emergency medicine, OhioPrimary
Emergency medicine physicians near Dr. Sniadanko
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
2,401emergency medicine physicians in Ohio
5emergency medicine physicians in Upper Sandusky
5emergency medicine physicians at Wyandot Memorial HospitalSources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark Richard Sniadanko billed Medicare for 301 services in 2024
CMS data shows 301 Medicare services from Dr. Sniadanko across 4 procedure codes in 2024, for 263 Medicare patients. Medicare paid $33,434 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024301
Medicare patients263
Paid by Medicare$33,434
Procedure codes4
Dr. Sniadanko's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3092024: 3013%
Dr. Sniadanko compared with the Ohio median for emergency medicine physicians, 2024
- Dr. Sniadanko
- Ohio median
- Medicare services
- 301vs 26613% above
- Medicare patients
- 263vs 2486% above
- Part D claims
- 143vs 652.2 times
Medians across 2,448 emergency medicine physicians in Ohio with Dmand AI profiles that report each measure.
Dr. Sniadanko's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Richard Sniadanko treated 263 Medicare patients in 2024, average age 77
CMS counts 263 Medicare patients who saw Dr. Sniadanko in 2024. The largest group is 75 to 84, with 94 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.72, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Sniadanko's median patient age at 47, with 55% women.
Medicare patients, 2024263
Average age77
Average risk score1.72
Also on Medicaid17%
Dr. Sniadanko's Medicare patients by age, 2024
Dr. Sniadanko's Medicare patients by sex, 2024
- Women13351%
- Men13049%
Chronic conditions among Dr. Sniadanko's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Chronic kidney disease41%
- Diabetes39%
- Anxiety37%
- Ischemic heart disease35%
- Mood disorders32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sniadanko's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Richard Sniadanko wrote 221 Medicare Part D claims in 2024
In 2024, Dr. Sniadanko wrote 221 Medicare Part D claims for 149 patients. 97% of them were for generic drugs. CMS names the drug for 143 of them, across 6 drugs with 11 or more claims each, at $534 in total drug cost. In 2023, CMS named 114 claims across 5 drugs.
Part D claims, 2024221
Drugs named by CMS6
Total drug cost$534
Part D patients149
Dr. Sniadanko's Part D claims by kind of drug, 2024
- Generic215 claims97%
- Brand-name and other6 claims3%
Dr. Sniadanko's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Sniadanko's Part D claims, 2024
- Opioids24%53 of 221 claims
- Antibiotics31%68 of 221 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1142024: 14325%
Drugs named by CMS: 6 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Mark Richard Sniadanko takes part in Medicare
Dr. Sniadanko accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mark Richard Sniadanko has worked on 10 clinical trials
Dmand AI links Dr. Sniadanko to 10 clinical trials, 4 of them phase 2 studies. 9 are still active or recruiting. Conditions studied include Adenocarcinoma of Lung, Biliary Atresia and Low Back Pain.
Clinical trials with Dr. Sniadanko by phase
- NonePhase 1: no trials
- 4Phase 2: 4 trials
- 1Phase 2/3: 1 trial
- NonePhase 3: no trials
- NonePhase 4: no trials
Trials with no phase (devices, behavioral studies) are left out.
Conditions in Dr. Sniadanko's trials
- Adenocarcinoma of Lung
- Biliary Atresia
- Low Back Pain
- Malocclusion
- Muscular Atrophy
Investigators on the most trials with Dr. Sniadanko
- Kader Tawfiq Abdelerahman, MD10 shared trials
- Randa Abdelmasih, MD10 shared trials
- Marjorie E. Affel, MD10 shared trials
Recent clinical trials with Dr. Sniadanko
Adenocarcinoma of LungAdenocarcinoma
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Richard Sniadanko received $14 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Sniadanko from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $14.
Companies that paid Dr. Sniadanko the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mark Richard Sniadanko's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark Richard Sniadanko
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mark Richard Sniadanko's NPI number?
Dr. Mark Richard Sniadanko's NPI number is 1003011834. It was assigned on June 20, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Richard Sniadanko?
Dr. Mark Richard Sniadanko is an emergency medicine physician in Upper Sandusky, Ohio. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Mark Richard Sniadanko practice?
Dr. Sniadanko practices at 885 North Sandusky Avenue, Upper Sandusky, OH 43351. Dr. Sniadanko's primary practice is Wyandot Memorial Hospital in Upper Sandusky, Ohio, part of Wyandot Memorial Hospital.
What is Dr. Mark Richard Sniadanko's office phone number?
The practice phone on file for Dr. Sniadanko is (419) 294-4991.
What is Dr. Mark Richard Sniadanko's medical license number?
Dr. Sniadanko holds Ohio license 34-008693.
Which hospitals is Dr. Mark Richard Sniadanko affiliated with?
Dr. Sniadanko practices at Wyandot Memorial Hospital in Upper Sandusky, Ohio. Dr. Sniadanko is also affiliated with Mercy Health - St. Vincent Medical Center.
What medical group is Dr. Mark Richard Sniadanko part of?
Dr. Sniadanko is linked to Emergency Professional Services of Ohio, Inc.
Does Dr. Mark Richard Sniadanko accept Medicare?
Yes. CMS data shows Dr. Sniadanko billed Medicare for 301 services in 2024, and Dr. Sniadanko accepts Medicare assignment.
How many Medicare patients does Dr. Mark Richard Sniadanko see?
CMS counts 263 Medicare patients who saw Dr. Sniadanko in 2024, with an average age of 77.
What services does Dr. Mark Richard Sniadanko bill to Medicare?
In 2024, Dr. Sniadanko's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
Show 4 more questionsShow fewer questions
What drugs does Dr. Mark Richard Sniadanko prescribe most?
In 2024 Medicare Part D data, Dr. Sniadanko's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Prednisone and Ondansetron ODT.
Has Dr. Mark Richard Sniadanko received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Sniadanko from 1 company from 2018 to 2018. The largest total came from Pfizer Inc.
How long has Dr. Mark Richard Sniadanko been practicing?
Dr. Sniadanko graduated from medical school in 2004, 22 years ago.
Does Dr. Mark Richard Sniadanko do research?
Dr. Sniadanko has worked on 10 clinical trials.
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