Douglas Alan Blazer, PA
Medical Physician Assistant · Rockford, IL
Douglas Alan Blazer, PA is a medical physician assistant with a practice address in Rockford, Illinois, and NPI 1104101823, issued on Oct 13, 2011. Check the license (Illinois 085004130, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Douglas Alan Blazer
- Credential
- PA
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- 085004130 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3475 S Alpine RD, Rockford, IL 61109
- Phone
- (815) 874-8000
- Enumerated
- Oct 13, 2011
- Record last updated
- Oct 13, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111215000394); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 671 in Illinois → Look up another NPI →
Also registered at 3475 S Alpine RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Andrew Doherty, PA-CPhysician Assistant1962716456
- William Hellyer, MBA, OTR/LOccupational Therapist1386745164
- Lindsey Jacobson, PTAPhysical Therapy Assistant1013189414
- Theresa Knoll, MPTPhysical Therapist1124264478
Verify Douglas Alan Blazer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085004130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average medical physician assistant in 2024
675 Medicare Part D claims for 447 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Hyclate132 claims
- Prednisone91 claims
- Amoxicillin-Clavulanate Potass75 claims
- Cephalexin74 claims
- Ciprofloxacin Hcl33 claims
- Albuterol Sulfate Hfa26 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.
Bills Medicare through one group practice
- Physicians Immediate Care North Chicago LLCMachesney Park, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas Alan Blazer among 671 medical physician assistant records in Illinois
Douglas Alan Blazer, PA is one of 671 medical physician assistant records with a practice address in Illinois. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 53% of them.
- NPI issued2011 · 53% of these records are older, 43% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2011 · median 2012 among the 340 with a school on file
- Record last updated2011 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Illinois
There are 671 medical physician assistant records in Illinois.
All 671 in Illinois → Every provider in Rockford → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Antasia KerschRockford, IL 611081801369236
- Kevin Burns, PA-CLoves Park, IL 611111326028143
- Andrew Masterson, PA-CRockford, IL 611071710922695
- Briana Russom, PA-CRockford, IL 611071558661702
- Shannon Taylor, PA-CRockford, IL 611071265412084
- Mark Vananrooy, PARockford, IL 611071578541470
- Alexander Whitney, PA-CRockford, IL 611071003307463
- Kathryn Bramble, PA-CRockford, IL 611141841989605
Common questions
What is Douglas Alan Blazer, PA's NPI number?
Douglas Alan Blazer, PA's National Provider Identifier (NPI) is 1104101823, issued on Oct 13, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Alan Blazer, PA located?
The NPPES record lists a practice address at 3475 S Alpine RD, Rockford, IL, 61109. Phone: (815) 874-8000. Providers update this record themselves, so call before visiting.
How can I verify Douglas Alan Blazer, PA's license?
NPPES lists Illinois license number 085004130, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Douglas Alan Blazer, PA prescribe under Medicare Part D?
In 2024, Douglas Alan Blazer, PA had 675 Medicare Part D claims for 447 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.