Alexandra Vigilante Chamberlin, PA-C
Physician Assistant · Chicago, IL
Alexandra Vigilante Chamberlin, PA-C is a physician assistant with a practice address in Chicago, Illinois, and NPI 1376971440, issued on Oct 28, 2013. Check the license (Illinois 085-004859, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alexandra Vigilante Chamberlin
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 085-004859 IL
085.004859 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3000 N Halsted St Ste 509, Chicago, IL 60657
- Phone
- (773) 296-6666
- Enumerated
- Oct 28, 2013
- Record last updated
- Mar 1, 2024
- Fax
- (773) 296-9999
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 3000 N Halsted St Ste 509
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alexandra Vigilante Chamberlin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 085-004859Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average physician assistant in 2024
74 Medicare Part D claims for 37 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 41 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen28 claims
- Cyclobenzaprine Hcl14 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.
Alexandra Vigilante Chamberlin among 4,926 physician assistant records in Illinois
Alexandra Vigilante Chamberlin, PA-C 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 2013, is newer than 29% of them.
- NPI issued2013 · 29% of these records are older, 67% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2024 · 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
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- Ashley Greenway, PAChicago, IL 606571801172242
- Ling Hua, PA-CChicago, IL 606571710210059
- Kristin Keating, PA-CChicago, IL 606571275816167
- Thinzar KhineChicago, IL 606571144628348
- Sandra Leeson, PA-CChicago, IL 606571013268812
Common questions
What is Alexandra Vigilante Chamberlin, PA-C's NPI number?
Alexandra Vigilante Chamberlin, PA-C's National Provider Identifier (NPI) is 1376971440, issued on Oct 28, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra Vigilante Chamberlin, PA-C located?
The NPPES record lists a practice address at 3000 N Halsted St Ste 509, Chicago, IL, 60657. Phone: (773) 296-6666. Providers update this record themselves, so call before visiting.
How can I verify Alexandra Vigilante Chamberlin, PA-C's license?
NPPES lists Illinois license number 085-004859, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Alexandra Vigilante Chamberlin, PA-C prescribe under Medicare Part D?
In 2024, Alexandra Vigilante Chamberlin, PA-C had 74 Medicare Part D claims for 37 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.