Dr Alchristian Cosca Villaruz, MD - Medicare Emergency Medicine in North Chicago, IL

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Dr Alchristian Cosca Villaruz, MD is a medicare enrolled "Emergency Medicine" physician in North Chicago, Illinois. He went to University Of Chicago, Pritzker School Of Medicine and graduated in 1994 and has 31 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Emergency Medicine Associates, P.a.,p.c. and his current practice location is 3001 North Green Bay Road, Dept Of Emergency Medicine, North Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (224) 610-5505.

Dr Alchristian Cosca Villaruz is licensed to practice in Maryland (license number D48324) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1912099201.

Contact Information

Dr Alchristian Cosca Villaruz, MD
3001 North Green Bay Road, Dept Of Emergency Medicine,
North Chicago, IL 60064
(224) 610-5505
Not Available

Map and Direction




Physician's Profile

Full NameDr Alchristian Cosca Villaruz
GenderMale
SpecialityEmergency Medicine
Experience31 Years
Location3001 North Green Bay Road, North Chicago, Illinois
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Alchristian Cosca Villaruz attended and graduated from University Of Chicago, Pritzker School Of Medicine in 1994
  NPI Data:
  • NPI Number: 1912099201
  • Provider Enumeration Date: 09/28/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 7012179690
  • Enrollment ID: I20120426000421

Medical Identifiers

Medical identifiers for Dr Alchristian Cosca Villaruz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1912099201NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine D48324 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Umd Shore Medical Center At EastonEaston, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Emergency Medicine Associates, P.a.,p.c.8022914522526

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Alchristian Cosca Villaruz allows following entities to bill medicare on his behalf.
Entity NameEmergency Medicine Associates, P.a.,p.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134117393
PECOS PAC ID: 8022914522
Enrollment ID: O20040126000955
Entity NameChester River Hospital Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679536809
PECOS PAC ID: 0749220671
Enrollment ID: O20050510000504
Entity NameUpper Chesapeake Emergency Medicine Physicians Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285854026
PECOS PAC ID: 2860587342
Enrollment ID: O20070927001103

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Alchristian Cosca Villaruz is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Alchristian Cosca Villaruz, MD
1761 West Morse, Unit 3 South,
Chicago, IL 60626

Ph: (773) 761-0545		Dr Alchristian Cosca Villaruz, MD
3001 North Green Bay Road, Dept Of Emergency Medicine,
North Chicago, IL 60064

Ph: (224) 610-5505

Reviews and Comments


Emergency Medicine Doctors in North Chicago, IL

Dr. Mark D Olszyk, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 3001 Green Bay Rd, North Chicago, IL 60064
Phone: 224-610-5505    
Dirk R De Haas, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3001 Green Bay Road Mail Code 111, North Chicago Va Medical Center Emergency Department, North Chicago, IL 60064
Phone: 847-688-1900    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.