John Walker Greene, MD
Hospitalist Physician · Raleigh, NC
John Walker Greene, MD is a hospitalist physician with a practice address in Raleigh, North Carolina, and NPI 1093004392, issued on Apr 7, 2011. Check the license (North Carolina 2015-00275, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Walker Greene
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 2015-00275 NC
Self-reported in NPPES; status is on the state search - Practice location
- 4420 Lake Boone Trl, Raleigh, NC 27607
- Phone
- (919) 784-7093
- Enumerated
- Apr 7, 2011
- Record last updated
- Jul 27, 2024
- Fax
- (919) 784-7395
- Medicare enrollment
- Enrolled (PECOS I20150818005823); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 989 in North Carolina → Look up another NPI →
Also registered at 4420 Lake Boone Trl
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Walker Greene in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2015-00275Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average hospitalist physician in 2024
355 Medicare Part D claims for 157 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Pantoprazole Sodium29 claims
- Eliquis16 claims
- Oxycodone Hcl14 claims
- Prednisone14 claims
- Amlodipine Besylate12 claims
- Furosemide12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $21.52
1 payment: food and beverage; the largest payer was Albireo Pharma, Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- North Carolina MG LLCRaleigh, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Walker Greene among 989 hospitalist physician records in North Carolina
John Walker Greene, MD is one of 989 hospitalist physician records with a practice address in North Carolina. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 49% of them.
- NPI issued2011 · 49% of these records are older, 46% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2011 · median 2010 among the 836 with a school on file
- Record last updated2024 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in North Carolina
There are 989 hospitalist physician records in North Carolina.
All 989 in North Carolina → Every provider in Raleigh → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Amanda Allen, MDRaleigh, NC 276071407080641
- Kenton Cook, MDRaleigh, NC 276071427036938
- Jashanjeet Grewal, MDRaleigh, NC 276071245424886
- Vijayatha Gundarapu, M.D.Raleigh, NC 276071730355579
- Richard Hobbs, M.D.Raleigh, NC 276071356561385
- Andrew Ingram, MDRaleigh, NC 276071164499216
- Ankesh Jayaswal, M.D.Raleigh, NC 276071992701569
- Quynh Nguyen, MDRaleigh, NC 276071508843210
Common questions
What is John Walker Greene, MD's NPI number?
John Walker Greene, MD's National Provider Identifier (NPI) is 1093004392, issued on Apr 7, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John Walker Greene, MD located?
The NPPES record lists a practice address at 4420 Lake Boone Trl, Raleigh, NC, 27607. Phone: (919) 784-7093. Providers update this record themselves, so call before visiting.
How can I verify John Walker Greene, MD's license?
NPPES lists North Carolina license number 2015-00275, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Walker Greene, MD prescribe under Medicare Part D?
In 2024, John Walker Greene, MD had 355 Medicare Part D claims for 157 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.