Are you John M. Williamson, DNP, FNP-C, ARM-BC? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find John M. Williamson, DNP, FNP-C, ARM-BC
- Columbus location main office
1503 Highway 45 N, Columbus, MS 39705 - Saltillo location
1154 Cross Creek Dr, Saltillo, MS 38866
About Dr. Williamson
Listed in the NPI registry as a nurse practitioner, John M. Williamson, DNP, FNP-C, ARM-BC practices in Columbus, MS. John is also listed as specializing in nurse practitioner — family. According to Medicare claims data, John cared for 28 Medicare patients across 42 services. The services billed most often include detection test by immunoassay with direct visual observation for influenza virus and detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19). NPI 1336326560 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (662) 328-9623
- Email not available
Practice Locations
1503 HIGHWAY 45 N
Columbus, MS 39705
1154 Cross Creek Dr
Saltillo, MS 38866
Procedures Most Often Billed to Medicare
42 services · 28 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
28 | Less often than most peers in Nurse Practitioner |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
14 | Less often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other nurse practitioners in Columbus 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is John M. Williamson, DNP, FNP-C?
John M. Williamson, DNP, FNP-C is a nurse practitioner in Columbus, MS. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is John M. Williamson, DNP, FNP-C's address?
John M. Williamson, DNP, FNP-C is listed at 1503 Highway 45 N, Columbus, MS 39705. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John M. Williamson, DNP, FNP-C?
The number on file is (662) 328-9623. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John M. Williamson, DNP, FNP-C's NPI number?
John M. Williamson, DNP, FNP-C's National Provider Identifier is 1336326560. 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
Where did John M. Williamson, DNP, FNP-C train?
John M. Williamson, DNP, FNP-C attended Other, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has John M. Williamson, DNP, FNP-C been practicing?
John M. Williamson, DNP, FNP-C has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What procedures does John M. Williamson, DNP, FNP-C perform?
According to Medicare billing data, John M. Williamson, DNP, FNP-C 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
Has John M. Williamson, DNP, FNP-C confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John M. Williamson, DNP, FNP-C. If this is you, claiming it is free.
Guide.md
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