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DR. STEPHEN CONLEY GREENE M.D.
NPI 1659699635
Emergency Medicine in Memphis, TN

Active since May 14, 2010PECOS EnrolledAccepts Medicare Assignment
91.22/100
CMS Quality Rating
956 COURT AVE, ROOM H314, MEMPHIS, TN 38103(901) 448-5814 Get Directions Write a Review

NPPES record last updated: October 22, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Stephen Conley Greene M.d. NPPES

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

DR. STEPHEN CONLEY GREENE M.D. (NPI 1659699635) is an individual emergency medicine provider in Memphis, Tennessee, licensed in Tennessee (51787) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with Hardin Medical Center, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (2010).

NPPES Registry Identity

NPI1659699635
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. STEPHEN CONLEY GREENECredential: M.D.
Location Address956 COURT AVE, ROOM H314Memphis, TN 38103-2814
Mailing Address956 Court Ave, Room H314Memphis, TN 38103-2814
Phone(901) 448-5814
Sole ProprietorYes
Medical School CMSUniversity Of Tennessee, Hsc, College Of MedicineGraduated 2010
Enumeration DateMay 14, 2010
Last NPPES UpdateOctober 22, 2014
✔ NPI 1659699635 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in TN · 51787
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
956 COURT AVE, Memphis, TN 38103
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Stephen Conley Greene M.d. 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 ID1951549641
PECOS Enrollment IDI20150317002305
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Stephen Greene reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hardin Emergency Group LLC
102 mi
Emergency Medicine
2006 WAYNE RD
Savannah, TN 38372
  • Reassigned Medicare billing, Tennessee enrollment
  • 37 clinicians in this Medicare group
NPI 1972850477 (800) 893-9698
Emergency Coverage, LLC
390 mi
Family Medicine
435 2ND ST
Newport, TN 37821
  • Reassigned Medicare billing, Tennessee enrollment
  • 664 clinicians in this Medicare group
NPI 1427005008 (423) 625-2200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
288 services239 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
164 services144 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
105 services101 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
30 services30 patients

Hospital Affiliations CMS Care Compare

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

Hardin Medical Center

Acute Care Hospitals · Savannah, TN
OwnershipGovernment - Local
CMS Certification Number440109
Location935 Wayne RoadSavannah, TN 38372 · Hardin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38103 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
$81.53 typical visit price
range $52.64 – $160.89
Typical copayment $20.38 (range $13.16 – $40.22)
Most-billed visit code 99203
Established Patient
$93.60 typical visit price
range $16.72 – $131.41
Typical copayment $23.40 (range $4.18 – $32.85)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.22/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality74.7
Improvement Activities40

Other Providers at the Same Location NPPES

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

L DARRYL QUARLES M.D.
Internal Medicine (Nephrology)
956 COURT AVE
MEMPHIS, TN 38103
Shelby County (901) 448-4385

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 Stephen Greene's NPI number?

The NPI number for Stephen Greene is 1659699635. It was assigned to this individual provider in the NPPES registry on May 14, 2010.

Where is Stephen Greene located?

Stephen Greene practices at 956 Court Ave Room H314, Memphis, TN 38103. The listed phone number is (901) 448-5814.

What is Stephen Greene's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Stephen Greene enrolled in Medicare?

Yes. Stephen 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.

Which organizations bill Medicare for Stephen Greene's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Greene reassigns Medicare benefits to 2 organizations: Hardin Emergency Group LLC (Savannah, TN) and Emergency Coverage, LLC (Newport, TN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephen Greene's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephen Greene accept?

Health plans from Oscar Health and Oscar Insurance Company list Stephen 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 Stephen Greene affiliated with any hospitals?

According to CMS data, Stephen Greene is affiliated with Hardin Medical Center.

When was this NPI record last updated?

The NPPES record for Stephen Greene was last updated on October 22, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.