Dr John J Gashkoff, MD - Medicare Anesthesiology in Naperville, IL

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Dr John J Gashkoff, MD is a medicare enrolled "Pain Medicine - Interventional Pain Medicine" physician in Naperville, Illinois. He went to Medical College Of Wisconsin and graduated in 1990 and has 34 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Dupage Medical Group Ltd and his current practice location is 120 Spalding Dr, Ste 400, Naperville, Illinois. You can reach out to his office (for appointments etc.) via phone at (630) 967-6000.

Dr John J Gashkoff is licensed to practice in Illinois (license number 036087991) 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 1356309694.

Contact Information

Dr John J Gashkoff, MD
120 Spalding Dr, Ste 400,
Naperville, IL 60540-6508
(630) 967-6000
Not Available

Map and Direction




Physician's Profile

Full NameDr John J Gashkoff
GenderMale
SpecialityAnesthesiology
Experience34 Years
Location120 Spalding Dr, Naperville, 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 John J Gashkoff attended and graduated from Medical College Of Wisconsin in 1990
  NPI Data:
  • NPI Number: 1356309694
  • Provider Enumeration Date: 05/03/2006
  • Last Update Date: 08/08/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 8123929536
  • Enrollment ID: I20040621001284

Medical Identifiers

Medical identifiers for Dr John J Gashkoff such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1356309694NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 036087991 (Illinois)Secondary
208VP0014XPain Medicine - Interventional Pain Medicine 036087991 (Illinois)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Dupage Medical Group Ltd54966679411186

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 John J Gashkoff allows following entities to bill medicare on his behalf.
Entity NameDupage Medical Group Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801833983
PECOS PAC ID: 5496667941
Enrollment ID: O20031110000535
Entity NameDupage Valley Anesthesiologists Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457309817
PECOS PAC ID: 6305747890
Enrollment ID: O20040116001019

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 John J Gashkoff 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 John J Gashkoff, MD
Po Box 713260,
Chicago, IL 60677-1260

Ph: (630) 469-9200		Dr John J Gashkoff, MD
120 Spalding Dr, Ste 400,
Naperville, IL 60540-6508

Ph: (630) 967-6000

Reviews and Comments


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Dr. Sasha M. Demos, M.D.
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Phone: 630-527-7730    Fax: 630-527-7732

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.