DR. DARREN LEMAR JOHNSON MD
NPI 1164452223
Emergency Medicine in Germantown, TN
About Dr. Darren Lemar Johnson Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DARREN LEMAR JOHNSON MD (NPI 1164452223) is an individual emergency medicine provider in Germantown, Tennessee, licensed in Tennessee (39030) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Methodist Hospitals Of Memphis, and maintains a secondary practice location in Dyersburg.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Darren Lemar Johnson 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.
Medicare Billing Reassignments
8Medicare enrollment records show Darren Johnson reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Germantown, TN 38138
- Reassigned Medicare billing, Tennessee enrollment
- 251 clinicians in this Medicare group
Memphis, TN 38128
- Reassigned Medicare billing, Tennessee enrollment
- 250 clinicians in this Medicare group
Memphis, TN 38104
- Reassigned Medicare billing, Tennessee enrollment
- 253 clinicians in this Medicare group
Memphis, TN 38116
- Reassigned Medicare billing, Tennessee enrollment
- 252 clinicians in this Medicare group
Jackson, TN 38301
- Reassigned Medicare billing, Tennessee enrollment
- 146 clinicians in this Medicare group
Dyersburg, TN 38024
- Reassigned Medicare billing, Tennessee enrollment
- 256 clinicians in this Medicare group
Brentwood, TN 37027
- Reassigned Medicare billing, Mississippi and Tennessee enrollments
- 65 clinicians in this Medicare group
Maysville, KY 41056
- Reassigned Medicare billing, Tennessee enrollment
- 1,071 clinicians in this Medicare group
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Methodist Hospitals Of Memphis
Acute Care Hospitals · Memphis, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38138 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Darren Johnson's NPI number?
The NPI number for Darren Johnson is 1164452223. It was assigned to this individual provider in the NPPES registry on July 4, 2006.
Where is Darren Johnson located?
Darren Johnson practices at 1695 Neshoba Trace Cv, Germantown, TN 38138. The listed phone number is (731) 445-9999.
What is Darren Johnson's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Darren Johnson enrolled in Medicare?
Yes. Darren Johnson 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 Darren Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Darren Johnson reassigns Medicare benefits to 8 organizations: Germantown Emergency Physicians, PLLC (Germantown, TN), Methodist North Emergency Physicians, PLLC (Memphis, TN), Methodist University Emergency Physicians PLLC (Memphis, TN), Methodist South Emergency Physicians, PLLC (Memphis, TN), Emergency Medical Care Facilities PC (Jackson, TN) and 3 more organizations, listed in the Medicare section above. 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 Darren Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Darren Johnson affiliated with any hospitals?
According to CMS data, Darren Johnson is affiliated with Methodist Hospitals Of Memphis.
When was this NPI record last updated?
The NPPES record for Darren Johnson was last updated on August 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.