JOHN W JOHNSTON JR. MD
NPI 1306814801
Family Medicine in Meridian, MS
About John W Johnston Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN W JOHNSTON JR. MD (NPI 1306814801) is an individual family medicine provider in Meridian, Mississippi, licensed in Mississippi (14986) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Ochsner Rush Hospital, and is a graduate of University Of Mississippi School Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 8
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
John W Johnston Jr. 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 John Johnston reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Meridian, MS 39301
- Reassigned Medicare billing, Mississippi enrollment
- 349 clinicians in this Medicare group
Meridian, MS 39301
- Reassigned Medicare billing, Mississippi enrollment
- 15 clinicians in this Medicare group
Meridian, MS 39301
- Reassigned Medicare billing, Mississippi enrollment
- Also billed through NPI 1912079625 (Mississippi)
- 93 clinicians in this Medicare group
Meridian, MS 39301
- Reassigned Medicare billing, Mississippi enrollment
- Also billed through NPI 1679875645 (Mississippi)
- 91 clinicians in this Medicare group
Meridian, MS 39301
- Reassigned Medicare billing, Mississippi enrollment
- Also billed through NPI 1518924752 (Mississippi)
- 106 clinicians in this Medicare group
Lake, MS 39092
- Reassigned Medicare billing, Mississippi enrollment
- Also billed through NPI 1134278435 (Mississippi)
- 57 clinicians in this Medicare group
Flowood, MS 39232
- Reassigned Medicare billing, Mississippi enrollment
- Medicare enrollment name: Medical Foundation Of Central Mississippi Inc
- 423 clinicians in this Medicare group
Amory, MS 38821
- Reassigned Medicare billing, Mississippi enrollment
- 170 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 5
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.
Ochsner Rush Hospital
Acute Care Hospitals · Meridian, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39301 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Johnston's NPI number?
The NPI number for John Johnston is 1306814801. It was assigned to this individual provider in the NPPES registry on March 9, 2006.
Where is John Johnston located?
John Johnston practices at 1314 19th Ave, Meridian, MS 39301. The listed phone number is (601) 703-4926.
What is John Johnston's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Johnston enrolled in Medicare?
Yes. John 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 John Johnston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Johnston reassigns Medicare benefits to 8 organizations: Medical Foundation, Inc. (Meridian, MS), Rush Care, Inc. (Meridian, MS), Rush Medical Foundation (Meridian, MS), Kemper Cah, Inc (Meridian, MS), Laird Hospital, Inc (Meridian, MS) 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 John Johnston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Johnston accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 2 other insurers list John 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 John Johnston affiliated with any hospitals?
According to CMS data, John Johnston is affiliated with Ochsner Rush Hospital.
When was this NPI record last updated?
The NPPES record for John Johnston was last updated on May 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# John W Johnston Jr., MD · NPI 1306814801
Family Medicine physician in Meridian, Mississippi. Individual provider, active in the CMS NPPES registry since March 9, 2006.
## Identity
- **NPI:** 1306814801 (Entity type: Individual)
- **Enumerated:** March 9, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 14986 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 1314 19TH AVE, Meridian, MS 39301-4116
- **Phone:** (601) 703-4926 · **Fax:** (601) 703-4928
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Medical Foundation, Inc. (NPI 1609820539, Meridian, MS); Rush Care, Inc. (NPI 1467736421, Meridian, MS); Rush Medical Foundation (NPI 1588625594, Meridian, MS); Kemper Cah, Inc (NPI 1275885378, Meridian, MS); Laird Hospital, Inc (NPI 1124466214, Meridian, MS); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Mississippi School Of Medicine, class of 1994
## Record status
- **NPPES last updated:** May 12, 2023
- **Other identifiers:** Other P00292073 (MS); Other 168390702 (MS); Other 753068151 (MS); and 5 more
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Source: [NPI Profile](https://npiprofile.com/npi/1306814801) · Data from the CMS NPPES public registry.