Ryan James Pasiewicz, D.M.D.
Dentist · Chicago, IL
Ryan James Pasiewicz, D.M.D. is a dentist with a practice address in Chicago, Illinois, and NPI 1790179950, issued on Mar 26, 2015. Check the license (Illinois 019.030272, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ryan James Pasiewicz
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License number
- 019.030272 IL
Self-reported in NPPES; status is on the state search - Practice location
- 836 W Wellington Ave, Chicago, IL 60657
- Phone
- (773) 975-1600
- Enumerated
- Mar 26, 2015
- Record last updated
- May 25, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Also registered at 836 W Wellington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ryan James Pasiewicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019.030272Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average dentist in 2024
183 Medicare Part D claims for 125 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 23 claims were for opioids.
Most prescribed
- Amoxicillin82 claims
- Methylprednisolone50 claims
- Tramadol Hcl18 claims
- Azithromycin13 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.
Ryan James Pasiewicz among 4,522 dentist records in Illinois
Ryan James Pasiewicz, D.M.D. is one of 4,522 dentist records with a practice address in Illinois. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 65% of them.
- NPI issued2015 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2016 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,148 dentist records list a practice address in Chicago
They are 1,148 of the 63,379 NPPES records with a practice address in Chicago, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Chicago → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- John Benedetto, DDSChicago, IL 606571417049503
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- Joshua Ehrlich, DMDChicago, IL 606571922154962
- Soctt Emalfarb, D.D.S.Chicago, IL 606571083738256
- Jessica Emery, DMDChicago, IL 606571700920667
- Mark Hawkins, DDSChicago, IL 606571467461020
- Howard Jeon, DMDChicago, IL 606571821125030
- Chris Katris, DDS DENTISTChicago, IL 606571114045556
Common questions
What is Ryan James Pasiewicz, D.M.D.'s NPI number?
Ryan James Pasiewicz, D.M.D.'s National Provider Identifier (NPI) is 1790179950, issued on Mar 26, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ryan James Pasiewicz, D.M.D. located?
The NPPES record lists a practice address at 836 W Wellington Ave, Chicago, IL, 60657. Phone: (773) 975-1600. Providers update this record themselves, so call before visiting.
How can I verify Ryan James Pasiewicz, D.M.D.'s license?
NPPES lists Illinois license number 019.030272, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Ryan James Pasiewicz, D.M.D. prescribe under Medicare Part D?
In 2024, Ryan James Pasiewicz, D.M.D. had 183 Medicare Part D claims for 125 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions only.
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.