DR. JOHN WALKER GREENE MD
NPI 1093004392
Hospitalist in Raleigh, NC

Active since April 07, 2011PECOS EnrolledAccepts Medicare Assignment
4420 LAKE BOONE TRL, RALEIGH, NC 27607(919) 784-7093(919) 784-7395 Get Directions Write a Review

NPPES record last updated: July 27, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 27, 2024, Mar 24, 2021 (2 updates tracked since 2021).

About Dr. John Walker Greene Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN WALKER GREENE MD (NPI 1093004392) is an individual hospitalist provider in Raleigh, North Carolina, licensed in North Carolina (2015-00275) and active in the NPI registry since April 2011. He is enrolled in Medicare PECOS, is affiliated with Johnston Health, and is a graduate of University Of Arkansas College Of Medicine (2011).

NPPES Registry Identity

NPI1093004392
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. JOHN WALKER GREENECredential: MD
Location Address4420 LAKE BOONE TRLRaleigh, NC 27607-7505
Mailing Address4420 Lake Boone TrlRaleigh, NC 27607-7505 · (919) 784-7093 · Fax (919) 784-7395
Fax(919) 784-7395
Sole ProprietorNo
Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 2011
Enumeration DateApril 7, 2011
Last NPPES UpdateJuly 27, 20242 updates tracked since enumeration
NPPES CertifiedJuly 27, 2024
NPI 1093004392 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in NC · 2015-00275
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License 2015-00275 (NC)
4420 LAKE BOONE TRL, Raleigh, NC 27607

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. John Walker Greene Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052626116
PECOS Enrollment IDI20150818005823
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
386 services172 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
120 services66 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
83 services81 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
32 services32 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
28 services27 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
26 services26 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johnston Health

Acute Care Hospitals · Smithfield, NC
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number340090
Location509 Bright Leaf BlvdSmithfield, NC 27577 · Johnston County
Emergency services Birthing friendly

Rex Hospital

Acute Care Hospitals · Raleigh, NC
5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number340114
Location4420 Lake Boone TrailRaleigh, NC 27607 · Wake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27607 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$125.01 typical visit price
range $54.12 – $165.09
Typical copayment $31.25 (range $13.53 – $41.27)
Most-billed visit code 99204
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
5 suppliers38 claims39 services$14.82 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
5 suppliers43 claims44 services$73.34 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
4420 LAKE BOONE TRL
RALEIGH, NC 27607
Nurse Anesthetist, Certified Registered
4420 LAKE BOONE TRL
RALEIGH, NC 27607
Nurse Practitioner (Family)
4420 LAKE BOONE TRL
RALEIGH, NC 27607
Registered Nurse (Critical Care Medicine)
4420 LAKE BOONE TRL
RALEIGH, NC 27607
Psychiatry & Neurology (Neurology)
4420 LAKE BOONE TRL
RALEIGH, NC 27607
Physician Assistant
4420 LAKE BOONE TRL, SUITE 200
RALEIGH, NC 27607
Nurse Anesthetist, Certified Registered
4420 LAKE BOONE TRL
RALEIGH, NC 27607
Internal Medicine (Hematology & Oncology)
4420 LAKE BOONE TRL, SUITE 200
RALEIGH, NC 27607

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Greene's NPI number?

The NPI number for John Greene is 1093004392. It was assigned to this individual provider in the NPPES registry on April 7, 2011.

Where is John Greene located?

John Greene practices at 4420 Lake Boone Trl, Raleigh, NC 27607. The listed phone number is (919) 784-7093.

What is John Greene's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is John Greene enrolled in Medicare?

Yes. John Greene is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Greene accept?

Health plans from Blue Cross and Blue Shield of NC list John Greene as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is John Greene affiliated with any hospitals?

According to CMS data, John Greene is affiliated with Johnston Health and Rex Hospital.

When was this NPI record last updated?

The NPPES record for John Greene was last updated on July 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.