Alan David Vanopstal, M.D.
Emergency Medicine Physician · Evanston, IL
Alan David Vanopstal, M.D. is an emergency medicine physician with a practice address in Evanston, Illinois, and NPI 1942448733, issued on Feb 2, 2009. Check the license (Illinois 125-054791, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Alan David Vanopstal
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 125-054791 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2650 Ridge Ave, Evanston, IL 60201
- Phone
- (847) 570-2115
- Enumerated
- Feb 2, 2009
- Record last updated
- Jan 5, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120824000839); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 2008
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 2650 Ridge Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alan David Vanopstal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 125-054791Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average emergency medicine physician in 2024
91 Medicare Part D claims for 70 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of 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.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cook CountyChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alan David Vanopstal among 3,291 emergency medicine physician records in Illinois
Alan David Vanopstal, M.D. is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 44% of them.
- NPI issued2009 · 44% of these records are older, 53% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2008 · median 2012 among the 1,867 with a school on file
- Record last updated2016 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 emergency medicine physician records list a practice address in Evanston
They are 98 of the 4,013 NPPES records with a practice address in Evanston, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Evanston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Richard Aronwald, M.D.Evanston, IL 602011518048149
- Serena Baqai, D.O.Evanston, IL 602011376543488
- Cynthia Carpo, DOEvanston, IL 602011487691218
- James Chadd, MDEvanston, IL 602011659393049
- Cecilia Cruz, MDEvanston, IL 602011518917681
- Alyssa Dayan, MDEvanston, IL 602011871547604
- Jorge Del Castillo, M.D.Evanston, IL 602011457434623
- Justin Griffith, MDEvanston, IL 602011497852206
Common questions
What is Alan David Vanopstal, M.D.'s NPI number?
Alan David Vanopstal, M.D.'s National Provider Identifier (NPI) is 1942448733, issued on Feb 2, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Alan David Vanopstal, M.D. located?
The NPPES record lists a practice address at 2650 Ridge Ave, Evanston, IL, 60201. Phone: (847) 570-2115. Providers update this record themselves, so call before visiting.
How can I verify Alan David Vanopstal, M.D.'s license?
NPPES lists Illinois license number 125-054791, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alan David Vanopstal, M.D. prescribe under Medicare Part D?
In 2024, Alan David Vanopstal, M.D. had 91 Medicare Part D claims for 70 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Alan David Vanopstal, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.