Based in Jackson, MS, John Michael Barnard, D.O. is listed in the NPI registry under internal medicine. John graduated from William Carey University College of Osteopathic Medicine in 2014. According to Medicare claims data, John cared for 673 Medicare patients across 1,187 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Barnard is an internal medicine in Jackson, MS. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Dr. Barnard is listed at 1225 N STATE ST, Jackson, MS 39202. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (601) 988-5281. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Barnard's National Provider Identifier is 1639599608. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Barnard attended William Carey University College of Osteopathic Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Dr. Barnard has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Barnard the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Barnard. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
1225 N STATE ST
Jackson, MS 39202
1,187 services · 673 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
590 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
307 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
199 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
57 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
34 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Same specialty, same street address — most likely the same department or group.
Clinically related specialties at the same address — the people this provider most likely works alongside.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.