Alchristian Cosca Villaruz, MD
Emergency Medicine Physician · North Chicago, IL
Alchristian Cosca Villaruz, MD is an emergency medicine physician with a practice address in North Chicago, Illinois, and NPI 1912099201, issued on Sep 28, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Alchristian Cosca Villaruz
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- D48324 MD
Self-reported in NPPES; status is on the state search - Practice location
- 3001 North Green Bay Road, North Chicago, IL 60064
- Phone
- (224) 610-5505
- Enumerated
- Sep 28, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120426000421); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Verify Alchristian Cosca Villaruz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average emergency medicine physician in 2024
217 Medicare Part D claims for 159 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 39 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen32 claims
- Prednisone24 claims
- Ondansetron Hcl18 claims
- Cephalexin12 claims
- Albuterol Sulfate Hfa11 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
- Emergency Medicine Associates P.A., P.C.Cambridge, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alchristian Cosca Villaruz among 3,291 emergency medicine physician records in Illinois
Alchristian Cosca Villaruz, MD 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 68% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1994 · median 2012 among the 1,867 with a school on file
- Record last updated2007 · 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).
Emergency Medicine Physician providers in Illinois
There are 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in North Chicago → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Dirk De Haas, M.D.North Chicago, IL 600641568578250
- Morgan KemerlingNorth Chicago, IL 600641700589116
- Song-Ling Chang, M.D.Northbrook, IL 600621497869218
- Jonathan Handler, MDNorthbrook, IL 600621619191434
- Ahmed Raziuddin, M.D.Northbrook, IL 600621578513602
- John ZautckeNorthbrook, IL 600621316046352
- Suresh Abad, M.D.Vernon Hills, IL 600611639100126
- Halleh Akbarnia, M.D.Park Ridge, IL 600681144301227
Common questions
What is Alchristian Cosca Villaruz, MD's NPI number?
Alchristian Cosca Villaruz, MD's National Provider Identifier (NPI) is 1912099201, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alchristian Cosca Villaruz, MD located?
The NPPES record lists a practice address at 3001 North Green Bay Road, North Chicago, IL, 60064. Phone: (224) 610-5505. Providers update this record themselves, so call before visiting.
How can I verify Alchristian Cosca Villaruz, MD's license?
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 Alchristian Cosca Villaruz, MD prescribe under Medicare Part D?
In 2024, Alchristian Cosca Villaruz, MD had 217 Medicare Part D claims for 159 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.