Joseph Stock, MD - Medicare Emergency Medicine in Chicago, IL

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Joseph Stock, MD is a medicare enrolled "Emergency Medicine - Emergency Medical Services" physician in Chicago, Illinois. His current practice location is 119 W Chestnut St, Chicago, Illinois. You can reach out to his office (for appointments etc.) via phone at (312) 379-0228.

Joseph Stock is licensed to practice in Illinois (license number 036-106198) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1164462248.

Contact Information

Joseph Stock, MD
119 W Chestnut St,
Chicago, IL 60610-3288
(312) 379-0228
Not Available

Map and Direction




Physician's Profile

Full NameJoseph Stock
GenderMale
SpecialityEmergency Medicine - Emergency Medical Services
Location119 W Chestnut St, Chicago, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1164462248
  • Provider Enumeration Date: 06/07/2006
  • Last Update Date: 06/30/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 7719951078
  • Enrollment ID: I20040823000775

Medical Identifiers

Medical identifiers for Joseph Stock such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1164462248NPI-NPPES
036106198-1MedicaidIL
DB9340OtherILMEDICARE RAILROAD
P00177284OtherILMEDICARE RAILROAD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207PE0004XEmergency Medicine - Emergency Medical Services 036-106198 (Illinois)Primary

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. Joseph Stock allows following entities to bill medicare on his behalf.
Entity NameMercy Health System Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1598718603
PECOS PAC ID: 7416860440
Enrollment ID: O20031111000307
Entity NameSound Physicians Emergency Medicine Of Illinois Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184232621
PECOS PAC ID: 6800215146
Enrollment ID: O20201006000945
Entity NameRockford Emergency Physicians, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639876634
PECOS PAC ID: 4385007640
Enrollment ID: O20230905000499
Entity NameBelvidere Emergency Physicians, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306543319
PECOS PAC ID: 1254794415
Enrollment ID: O20230906000737

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. Joseph Stock 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
Joseph Stock, MD
2000 Green Rd, Suite 300,
Ann Arbor, MI 48105-1598

Ph: (734) 995-3764		Joseph Stock, MD
119 W Chestnut St,
Chicago, IL 60610-3288

Ph: (312) 379-0228

Reviews and Comments


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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).

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