Dr. Matthew Ryskalczyk, DMD, MD
- Part D claims, 2024
- 177
- Hospital affiliations
- 2
- Industry payments
- $3,313
- Medical groups
- 2
- State license
- 1
- Practice address
- 325 9th Avenue, Seattle, WA 98104
- Practice phone
- Call (206) 744-9535
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ryskalczyk'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. Matthew Ryskalczyk is an oral and maxillofacial surgery (d.m.d.) in Seattle, Washington
Dr. Ryskalczyk practices at Harborview Medical Center in Seattle, Washington, part of University of Washington.
Dr. Ryskalczyk's NPI, 1023451655, was assigned on April 13, 2013. Dr. Ryskalczyk holds Washington license MD60918839.
- NPI
- 1023451655NPI Registry (opens in a new tab)
- NPI enumeration date
- April 13, 2013
- NPI status
- Active
- Practice phone
- (206) 744-9535
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Matthew Ryskalczyk practices at Harborview Medical Center in Seattle, Washington
Dr. Ryskalczyk's primary practice is Harborview Medical Center, at 325 9th Avenue, Seattle, WA 98104 in King County. The practice phone is (206) 744-9535.
- Harborview Medical Center325 9th Avenue, Seattle, WA 98104 · King CountyPhone(206) 744-9535
Source: Dmand AI Affiliation Data
Dr. Matthew Ryskalczyk is affiliated with 3 sites of care and 2 medical groups
Dr. Ryskalczyk's primary practice is Harborview Medical Center in Seattle, Washington, part of University of Washington. The medical group on file is University of Washington Medical Center. Dmand AI also links Dr. Ryskalczyk to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew Ryskalczyk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ryskalczyk practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harborview Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Ryskalczyk is one of 46 orals and maxillofacial surgery (d.m.d.)s in Washington
Oral and maxillofacial surgery is Dr. Ryskalczyk's primary specialty in the NPI Registry, under taxonomy code 204E00000X. Dr. Ryskalczyk is licensed in Washington.
Specialties and state licenses
- Oral and maxillofacial surgery (d.m.d.), WashingtonPrimary
Orals and maxillofacial surgery (d.m.d.)s near Dr. Ryskalczyk
Counts of orals and maxillofacial surgery (d.m.d.)s 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. Matthew Ryskalczyk's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Dr. Ryskalczyk's median patient age at 44, with 30% women.
Dr. Ryskalczyk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women30%
- Men70%
Source: Dmand AI Patient Panel Data
Dr. Matthew Ryskalczyk wrote 177 Medicare Part D claims in 2024
In 2024, Dr. Ryskalczyk wrote 177 Medicare Part D claims for 66 patients. 100% of them were for generic drugs. CMS names the drug for 154 of them, across 4 drugs with 11 or more claims each, at $641 in total drug cost. In 2023, CMS named 188 claims across 5 drugs.
Dr. Ryskalczyk'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. Ryskalczyk's Part D claims, 2024
- Opioids24%42 of 177 claims
- Antibiotics34%60 of 177 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: 1882024: 15418%
Drugs named by CMS: 4 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
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Dr. Matthew Ryskalczyk received $3,313 in industry payments from 2016 to 2025
CMS Open Payments shows 40 general payments to Dr. Ryskalczyk from 12 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 69% of the total. Stryker Corporation paid the most, $1,144.
General payments to Dr. Ryskalczyk by program year, 2016 to 2025
General payments to Dr. Ryskalczyk by kind, 2016 to 2025
- Food and beverage$2,28769%
- Travel and lodging$89027%
- Gifts$732%
- Education$632%
Companies that paid Dr. Ryskalczyk the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Matthew Ryskalczyk'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) |
| 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. Matthew Ryskalczyk
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. Matthew Ryskalczyk's NPI number?
Dr. Matthew Ryskalczyk's NPI number is 1023451655. It was assigned on April 13, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Ryskalczyk?
Dr. Matthew Ryskalczyk is an oral and maxillofacial surgery (d.m.d.) in Seattle, Washington. The primary specialty in the NPI Registry is Oral & Maxillofacial Surgery (D.M.D.) (taxonomy code 204E00000X).
Where does Dr. Matthew Ryskalczyk practice?
Dr. Ryskalczyk practices at 325 9th Avenue, Seattle, WA 98104. Dr. Ryskalczyk's primary practice is Harborview Medical Center in Seattle, Washington, part of University of Washington. Dmand AI also links Dr. Ryskalczyk to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Matthew Ryskalczyk's office phone number?
The practice phone on file for Dr. Ryskalczyk is (206) 744-9535.
What is Dr. Matthew Ryskalczyk's medical license number?
Dr. Ryskalczyk holds Washington license MD60918839.
Which hospitals is Dr. Matthew Ryskalczyk affiliated with?
Dr. Ryskalczyk practices at Harborview Medical Center in Seattle, Washington. Dmand AI links Dr. Ryskalczyk to 1 more hospital.
What medical group is Dr. Matthew Ryskalczyk part of?
Dr. Ryskalczyk is linked to University of Washington Medical Center. Dmand AI links Dr. Ryskalczyk to 1 more medical group.
What drugs does Dr. Matthew Ryskalczyk prescribe most?
In 2024 Medicare Part D data, Dr. Ryskalczyk's most prescribed drugs by claims were Chlorhexidine Gluconate, Amoxicillin and Oxycodone HCl.
Has Dr. Matthew Ryskalczyk received payments from drug or device companies?
CMS Open Payments shows $3,313 in general payments to Dr. Ryskalczyk from 12 companies from 2016 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Matthew Ryskalczyk been practicing?
Dr. Ryskalczyk's NPI was assigned in 2013.
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