GINA A JOHNSTON MD
NPI 1790759850
Pathology - Anatomic Pathology & Clinical Pathology in Germantown, TN
About Gina A Johnston Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GINA A JOHNSTON MD (NPI 1790759850) is an individual anatomic pathology & clinical pathology provider in Germantown, Tennessee, licensed in Tennessee (28387) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Methodist Hospitals Of Memphis, and is a graduate of University Of Tennessee, Hsc, College Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted 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
Gina A Johnston 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
4Medicare enrollment records show Gina Johnston reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Memphis, TN 38119
- Reassigned Medicare billing, Tennessee enrollment
- 9 clinicians in this Medicare group
Memphis, TN 38104
- Reassigned Medicare billing, Mississippi and Tennessee enrollments
- 12 clinicians in this Medicare group
Jonesboro, AR 72401
- Reassigned Medicare billing, Arkansas enrollment
- 12 clinicians in this Medicare group
Jonesboro, AR 72401
- Reassigned Medicare billing, Arkansas enrollment
- 12 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 9
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.
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.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GERMANTOWN, TN 38138
GERMANTOWN, TN 38138
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 Gina Johnston's NPI number?
The NPI number for Gina Johnston is 1790759850. It was assigned to this individual provider in the NPPES registry on February 15, 2006.
Where is Gina Johnston located?
Gina Johnston practices at 7550 Wolf River Blvd Ste 200, Germantown, TN 38138. The listed phone number is (901) 542-6801.
What is Gina Johnston's specialty?
The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.
Is Gina Johnston enrolled in Medicare?
Yes. Gina Johnston 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 Gina Johnston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gina Johnston reassigns Medicare benefits to 4 organizations: The Pathology Group PC (Memphis, TN), Pathology Specialists Of Memphis PC (Memphis, TN), Doctors' Anatomic Pathology Services, PA (Jonesboro, AR) and Doctors' Pathology Services, PA (Jonesboro, AR). 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 Gina Johnston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gina Johnston accept?
Health plans from Cigna Healthcare list Gina Johnston 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 Gina Johnston affiliated with any hospitals?
According to CMS data, Gina Johnston is affiliated with Methodist Hospitals Of Memphis.
When was this NPI record last updated?
The NPPES record for Gina Johnston was last updated on February 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Gina A Johnston, MD · NPI 1790759850
Anatomic Pathology & Clinical Pathology physician in Germantown, Tennessee. Individual provider, active in the CMS NPPES registry since February 15, 2006.
## Identity
- **NPI:** 1790759850 (Entity type: Individual)
- **Enumerated:** February 15, 2006
- **Primary specialty:** Pathology - Anatomic Pathology & Clinical Pathology · taxonomy 207ZP0102X
- **State license:** 28387 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 7550 WOLF RIVER BLVD STE 200, Germantown, TN 38138-1778
- **Phone:** (901) 542-6801
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): The Pathology Group PC (NPI 1679547749, Memphis, TN); Pathology Specialists Of Memphis PC (NPI 1437817491, Memphis, TN); Doctors' Anatomic Pathology Services, PA (NPI 1841236734, Jonesboro, AR); Doctors' Pathology Services, PA (NPI 1417046137, Jonesboro, AR) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Tennessee, Hsc, College Of Medicine, class of 1991
## Record status
- **NPPES last updated:** February 22, 2019
- **Other identifiers:** Medicaid 3880737 (TN); Medicaid 149765001 (AR)
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Source: [NPI Profile](https://npiprofile.com/npi/1790759850) · Data from the CMS NPPES public registry.