Dr. Christopher Riwniak, DO
- Part D claims, 2024
- 115
- Hospital affiliations
- 3
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 1 Akron General Avenue, Akron, OH 44307
- Practice phone
- Call (330) 344-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Riwniak's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Christopher Riwniak is an emergency medicine physician in Akron, Ohio
Dr. Riwniak practices at Cleveland Clinic Akron General in Akron, Ohio, part of The Cleveland Clinic Foundation.
Dr. Riwniak's NPI, 1649911256, was assigned on April 6, 2022. Dr. Riwniak holds Ohio license 34.017773.
- NPI
- 1649911256NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800262601
- NPI enumeration date
- April 6, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (330) 344-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Riwniak practices at Cleveland Clinic Akron General in Akron, Ohio
Dr. Riwniak's primary practice is Cleveland Clinic Akron General, at 1 Akron General Avenue, Akron, OH 44307 in Summit County. The practice phone is (330) 344-6000.
- Cleveland Clinic Akron General1 Akron General Avenue, Akron, OH 44307 · Summit CountyPhone(330) 344-6000
Source: Dmand AI Affiliation Data
Dr. Christopher Riwniak is affiliated with 3 sites of care and 1 medical group
Dr. Riwniak's primary practice is Cleveland Clinic Akron General in Akron, Ohio, part of The Cleveland Clinic Foundation. Dr. Riwniak is also affiliated with Cleveland Clinic Mercy Hospital. The medical group on file is Cleveland Clinic. Dmand AI also links Dr. Riwniak to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher Riwniak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riwniak practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cleveland Clinic Akron General | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Riwniak is one of 2,401 emergency medicine physicians in Ohio
Emergency medicine is Dr. Riwniak's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Riwniak is licensed in Ohio.
Specialties and state licenses
- Emergency medicine, OhioPrimary
Emergency medicine physicians near Dr. Riwniak
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Christopher Riwniak's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Riwniak's median patient age at 56, with 55% women.
Dr. Riwniak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women55%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. Christopher Riwniak wrote 115 Medicare Part D claims in 2024
In 2024, Dr. Riwniak wrote 115 Medicare Part D claims for 81 patients. 96% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $60 in total drug cost.
Dr. Riwniak's Part D claims by kind of drug, 2024
- Generic110 claims96%
- Brand-name and other5 claims4%
Dr. Riwniak'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. Riwniak's Part D claims, 2024
- Antibiotics43%50 of 115 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Christopher Riwniak takes part in Medicare
Dr. Riwniak 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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Sources for Dr. Christopher Riwniak'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Christopher Riwniak
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. Christopher Riwniak's NPI number?
Dr. Christopher Riwniak's NPI number is 1649911256. It was assigned on April 6, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Riwniak?
Dr. Christopher Riwniak is an emergency medicine physician in Akron, Ohio. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Christopher Riwniak practice?
Dr. Riwniak practices at 1 Akron General Avenue, Akron, OH 44307. Dr. Riwniak's primary practice is Cleveland Clinic Akron General in Akron, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Riwniak to 1 hospital.
What is Dr. Christopher Riwniak's office phone number?
The practice phone on file for Dr. Riwniak is (330) 344-6000.
What is Dr. Christopher Riwniak's medical license number?
Dr. Riwniak holds Ohio license 34.017773.
Which hospitals is Dr. Christopher Riwniak affiliated with?
Dr. Riwniak practices at Cleveland Clinic Akron General in Akron, Ohio. Dr. Riwniak is also affiliated with Cleveland Clinic Mercy Hospital. Dmand AI links Dr. Riwniak to 1 more hospital.
What medical group is Dr. Christopher Riwniak part of?
Dr. Riwniak is linked to Cleveland Clinic.
Does Dr. Christopher Riwniak accept Medicare?
Yes. CMS lists Dr. Riwniak as accepting Medicare assignment.
What drugs does Dr. Christopher Riwniak prescribe most?
In 2024 Medicare Part D data, Dr. Riwniak's most prescribed drugs by claims were Cephalexin.
How long has Dr. Christopher Riwniak been practicing?
Dr. Riwniak graduated from medical school in 2022, 4 years ago.
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