Warren Andrew Chang, MD - Medicare Hospitalist in Abingdon, VA

Warren Andrew Chang, MD is a medicare enrolled "Internal Medicine" physician in Abingdon, Virginia. He graduated from medical school in 1992 and has 32 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Catawba Valley Medical Center and his current practice location is 16000 Johnston Memorial Dr, Fourth Floor, Abingdon, Virginia. You can reach out to his office (for appointments etc.) via phone at (276) 258-4050.

Warren Andrew Chang is licensed to practice in Virginia (license number 0101241447) 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 1407057920.

Contact Information

Warren Andrew Chang, MD
16000 Johnston Memorial Dr, Fourth Floor,
Abingdon, VA 24211-7664
(276) 258-4050
(276) 258-4056



Physician's Profile

Full NameWarren Andrew Chang
GenderMale
SpecialityHospitalist
Experience32 Years
Location16000 Johnston Memorial Dr, Abingdon, Virginia
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:
  • Warren Andrew Chang graduated from medical school in 1992
  NPI Data:
  • NPI Number: 1407057920
  • Provider Enumeration Date: 05/31/2007
  • Last Update Date: 03/22/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 3971688201
  • Enrollment ID: I20160503002352

Medical Identifiers

Medical identifiers for Warren Andrew Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1407057920NPI-NPPES
1407057920MedicaidVA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 0101241447 (Virginia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Catawba Valley Medical CenterHickory, NCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Catawba Valley Medical Center054717890781

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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. Warren Andrew Chang allows following entities to bill medicare on his behalf.
Entity NameCatawba Valley Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285929554
PECOS PAC ID: 0547178907
Enrollment ID: O20040216001128

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Once upon a time, grass-roots women challenged the establishment by figuratively burning their bras. Now, in some masochistic perversion of feminism, they are raising their voices to yell, "Squeeze our breasts!" (Barbara Ehrenreich, 12/2).

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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. Warren Andrew Chang 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
Warren Andrew Chang, MD
Po Box 3700,
Johnson City, TN 37602-3700

Ph: (423) 302-1350
Warren Andrew Chang, MD
16000 Johnston Memorial Dr, Fourth Floor,
Abingdon, VA 24211-7664

Ph: (276) 258-4050

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Internal Medicine Doctors in Abingdon, VA

Dr. Joe Rupe, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 16000 Johnston Memorial Dr, Abingdon, VA 24211
Phone: 276-258-4050    Fax: 276-258-4056
Dr. Beverly Tara Smith, DO
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 16000 Johnston Memorial Dr, Abingdon, VA 24211
Phone: 276-258-1000    
Maung M. Kyi, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 16000 Johnston Memorial Dr Ste 312c, Abingdon, VA 24211
Phone: 276-258-1985    Fax: 276-258-1989
Dr. Andrew Waller, MD
Internal Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 300 Valley St Ne, Abingdon, VA 24210
Phone: 276-206-8197    Fax: 276-206-8761
Martin Monahan, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 322 E Valley St, Abingdon, VA 24210
Phone: 276-628-1106    Fax: 276-676-0215
Dr. Gregory H Miller, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 16000 Johnston Memorial Dr, Suite 212a, Abingdon, VA 24211
Phone: 276-258-3740    Fax: 276-258-3745
John Byron Patterson, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 16000 Johnston Memorial Dr, Suite 212a, Abingdon, VA 24211
Phone: 276-258-3740    Fax: 276-258-3745

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