Dr John Walker Greene, MD - Medicare Internal Medicine in Raleigh, NC

Dr John Walker Greene, MD is a medicare enrolled "Hospitalist" physician in Raleigh, North Carolina. He graduated from medical school in 2011 and has 13 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Rex Hospital Inc and his current practice location is 4420 Lake Boone Trl, Raleigh, North Carolina. You can reach out to his office (for appointments etc.) via phone at (919) 784-7093.

Dr John Walker Greene is licensed to practice in North Carolina (license number 2015-00275) 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 1093004392.

Contact Information

Dr John Walker Greene, MD
4420 Lake Boone Trl,
Raleigh, NC 27607-7505
(919) 784-7093
(919) 784-7395

Map and Direction




Physician's Profile

Full NameDr John Walker Greene
GenderMale
SpecialityInternal Medicine
Experience13 Years
Location4420 Lake Boone Trl, Raleigh, North Carolina
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 Walker Greene graduated from medical school in 2011
  NPI Data:
  • NPI Number: 1093004392
  • Provider Enumeration Date: 04/07/2011
  • Last Update Date: 07/27/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 1052626116
  • Enrollment ID: I20150818005823

Medical Identifiers

Medical identifiers for Dr John Walker Greene such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1093004392NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 2015-00275 (North Carolina)Secondary
208M00000XHospitalist 2015-00275 (North Carolina)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Rex HospitalRaleigh, NCHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Rex Hospital Inc0840109864658

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 Walker Greene allows following entities to bill medicare on his behalf.
Entity NameRex Hospital Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144248683
PECOS PAC ID: 0840109864
Enrollment ID: O20140613001181

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 Walker Greene 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 Walker Greene, MD
4420 Lake Boone Trl,
Raleigh, NC 27607-7505

Ph: (919) 784-7093
Dr John Walker Greene, MD
4420 Lake Boone Trl,
Raleigh, NC 27607-7505

Ph: (919) 784-7093

Reviews and Comments


Hospitalist Doctors in Raleigh, NC

Jill M Pappalardi, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3000 New Bern Ave, Raleigh, NC 27610
Phone: 919-350-8000    
Lisa F Dejarnette, MD
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 4420 Lake Boone Trail, Raleigh, NC 27607
Phone: 919-784-7093    Fax: 919-784-7395
Dr. Jessica Lynn Virag, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 4420 Lake Boone Trl, Raleigh, NC 27607
Phone: 919-784-7093    
Julie A. Czech, M.D.
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Practice Location: 3000 New Bern Ave, Raleigh, NC 27610
Phone: 919-350-8000    
Dr. Jewook Ha, M
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 4420 Lake Boone Trl, Raleigh, NC 27607
Phone: 919-784-7093    
Mr. Rollin Desauguste, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 3000 New Bern Ave, Raleigh, NC 27610
Phone: 919-350-8000    
Muhammad Nawaz Ahmed, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 3000 New Bern Ave, Raleigh, NC 27610
Phone: 919-350-8000    

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.