Peter Joseph Lopez, PAC
Physician Assistant · Chicago, IL
Peter Joseph Lopez, PAC is a physician assistant with a practice address in Chicago, Illinois, and NPI 1083789952, issued on Nov 23, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Peter Joseph Lopez
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1431 N Claremont Ave, Chicago, IL 60622
- Phone
- (773) 278-2000
- Enumerated
- Nov 23, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110103000945); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 1431 N Claremont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Peter Joseph Lopez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average physician assistant in 2024
127 Medicare Part D claims for 44 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Peter Joseph Lopez among 4,926 physician assistant records in Illinois
Peter Joseph Lopez, PAC is one of 4,926 physician assistant records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 88% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1995 · median 2019 among the 3,407 with a school on file
- Record last updated2007 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,445 physician assistant records list a practice address in Chicago
They are 1,445 of the 63,379 NPPES records with a practice address in Chicago, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Chicago → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kimberly Brighton, PAChicago, IL 606221447783204
- Jamie Clabby, PA-CChicago, IL 606221346616885
- Arockiamary Dharmaraj, PA-CChicago, IL 606221417024845
- Jennifer Fritz, PA-CChicago, IL 606221912216045
- Donald Gold, PA-CChicago, IL 606221700121001
- Kathleen Hanlon, PA-CChicago, IL 606221558695528
- Rachel Iezzi, PA-CChicago, IL 606221619385069
- Alexandra Musial, PA-CChicago, IL 606221255879771
Common questions
What is Peter Joseph Lopez, PAC's NPI number?
Peter Joseph Lopez, PAC's National Provider Identifier (NPI) is 1083789952, issued on Nov 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter Joseph Lopez, PAC located?
The NPPES record lists a practice address at 1431 N Claremont Ave, Chicago, IL, 60622. Phone: (773) 278-2000. Providers update this record themselves, so call before visiting.
How can I verify Peter Joseph Lopez, PAC's license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Peter Joseph Lopez, PAC prescribe under Medicare Part D?
In 2024, Peter Joseph Lopez, PAC had 127 Medicare Part D claims for 44 beneficiaries; the average among physician assistant prescribers was 830. 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.