JOHN MICHAEL BARNARD D.O.
NPI 1639599608
Internal Medicine in Jackson, MS
About John Michael Barnard D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN MICHAEL BARNARD D.O. (NPI 1639599608) is an individual internal medicine provider in Jackson, Mississippi, licensed in Mississippi (25137) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Mississippi Baptist Medical Center, and maintains a secondary practice location in Brandon.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 Michael Barnard D.o. 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
3Medicare enrollment records show John Barnard reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Jackson, MS 39202
- Reassigned Medicare billing, Mississippi enrollment
- 423 clinicians in this Medicare group
Jackson, MS 39216
- Reassigned Medicare billing, Mississippi enrollment
- 109 clinicians in this Medicare group
Clarksdale, MS 38614
- 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.
Mississippi Baptist Medical Center
Acute Care Hospitals · Jackson, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39202 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.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
JACKSON, MS 39202
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 Barnard's NPI number?
The NPI number for John Barnard is 1639599608. It was assigned to this individual provider in the NPPES registry on April 17, 2014.
Where is John Barnard located?
John Barnard practices at 1225 N State St, Jackson, MS 39202. The listed phone number is (601) 988-5281.
What is John Barnard's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Barnard enrolled in Medicare?
Yes. John Barnard 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 Barnard's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Barnard reassigns Medicare benefits to 3 organizations: Medical Foundation Of Central Mississippi, Inc (Jackson, MS), Rh Mississippi Hospitalist Medicine, LLC (Jackson, MS) and Comprehensive Hospitalists Of Ms, LLC (Clarksdale, MS). 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 Barnard's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Barnard accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 3 other insurers list John Barnard 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 Barnard affiliated with any hospitals?
According to CMS data, John Barnard is affiliated with Mississippi Baptist Medical Center.
When was this NPI record last updated?
The NPPES record for John Barnard was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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 Michael Barnard, D.O. · NPI 1639599608
Internal Medicine physician in Jackson, Mississippi. Individual provider, active in the CMS NPPES registry since April 17, 2014.
## Identity
- **NPI:** 1639599608 (Entity type: Individual)
- **Enumerated:** April 17, 2014
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 25137 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 1225 N STATE ST, Jackson, MS 39202-2064
- **Phone:** (601) 988-5281 · **Fax:** (601) 974-6241
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Medical Foundation Of Central Mississippi, Inc (NPI 1952557092, Jackson, MS); Rh Mississippi Hospitalist Medicine, LLC (NPI 1891541207, Jackson, MS); Comprehensive Hospitalists Of Ms, LLC (NPI 1710371679, Clarksdale, MS) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** William Carey University College Of Osteopathic Medicine, class of 2014
## Record status
- **NPPES last updated:** September 22, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1639599608) · Data from the CMS NPPES public registry.