Stefan J Grenvik, MD - Medicare Anesthesiology in Bristol, TN

Stefan J Grenvik, MD is a medicare enrolled "Anesthesiology" physician in Bristol, Tennessee. He went to University Of Pittsburgh School Of Medicine and graduated in 1989 and has 35 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Paragon Anesthesia Pc and his current practice location is 1 Medical Park Blvd, Bristol, Tennessee. You can reach out to his office (for appointments etc.) via phone at (423) 968-4540.

Stefan J Grenvik is licensed to practice in Tennessee (license number MD024364) 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 1770513913.

Contact Information

Stefan J Grenvik, MD
1 Medical Park Blvd,
Bristol, TN 37620-7430
(423) 968-4540
(423) 968-5697

Map and Direction




Physician's Profile

Full NameStefan J Grenvik
GenderMale
SpecialityAnesthesiology
Experience35 Years
Location1 Medical Park Blvd, Bristol, Tennessee
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:
  • Stefan J Grenvik attended and graduated from University Of Pittsburgh School Of Medicine in 1989
  NPI Data:
  • NPI Number: 1770513913
  • Provider Enumeration Date: 07/04/2006
  • Last Update Date: 03/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9638197544
  • Enrollment ID: I20111110000849

Medical Identifiers

Medical identifiers for Stefan J Grenvik such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1770513913NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology MD024364 (Tennessee)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Wellmont Bristol Regional Medical CenterBristol, TNHospital
Johnson City Medical CenterJohnson city, TNHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Paragon Anesthesia Pc8921044744114

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. Stefan J Grenvik allows following entities to bill medicare on his behalf.
Entity NameParagon Anesthesia Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538174974
PECOS PAC ID: 8921044744
Enrollment ID: O20090402000626

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. Stefan J Grenvik 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
Stefan J Grenvik, MD
350 Blountville Hwy, Suite 207,
Bristol, TN 37620-0213

Ph: (423) 968-4540
Stefan J Grenvik, MD
1 Medical Park Blvd,
Bristol, TN 37620-7430

Ph: (423) 968-4540

Reviews and Comments


Anesthesiology Doctors in Bristol, TN

Marilyn J Goldstein, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1 Medical Park Blvd, Bristol, TN 37620
Phone: 423-968-4540    Fax: 423-968-5697
Dr. Stephen K Evans, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 350 Blountville Hwy, Suite 207, Bristol, TN 37620
Phone: 423-968-4540    Fax: 423-968-5697
Dr. William D Smith, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 2223 Edgemont Ave, Bristol, TN 37620
Phone: 423-646-7472    
Dr. Jonathan R Hughes, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 1 Medical Park Blvd, Bristol, TN 37620
Phone: 423-844-1121    
J.lawrence Jayne Jr., MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 1 Medical Park Blvd, Bristol, TN 37620
Phone: 423-968-4540    Fax: 423-968-5697
Meredith M. Kirkpatrick, MD
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 1 Medical Park Blvd, Bristol, TN 37620
Phone: 423-844-1121    
Dr. Joseph M. Nounou, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 350 Blountville Hwy Ste 207, Bristol, TN 37620
Phone: 423-968-2313    

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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