Physician Profile
Unclaimed ProfileAbout ST JOHN
Listed in the NPI registry as a nurse practitioner, Mark Patrick St John, FNP practices in Baldwinsville, NY. Mark graduated from State University of Ny Upstate Medical University in 2008. Mark is also listed as specializing in nurse practitioner — family. According to Medicare claims data, Mark cared for 225 Medicare patients across 529 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (315) 638-2521
- Email not available
Practice Locations
7740 MEIGS RD
Baldwinsville, NY 13027
Procedures Most Often Billed to Medicare
529 services · 225 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
413 |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
60 |
| Nursing facility discharge management, more than 30 minutes | Office visit | 99316 |
56 |
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.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Baldwinsville 7
Same specialty, same city.
Trained at State University of Ny Upstate Medical University 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2008 at State University of Ny Upstate Medical University 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. St John specialize in?
Dr. St John is a nurse practitioner in Baldwinsville, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NURSE PRACTITIONER”.
NPI registry
Where is Dr. St John located?
Dr. St John is listed at 7740 MEIGS RD, Baldwinsville, NY 13027. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. St John's phone number?
The number on file is (315) 638-2521. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. St John's NPI number?
Dr. St John's National Provider Identifier is 1295999266. 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 Dr. St John go to medical school?
Dr. St John attended State University of Ny Upstate Medical University, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. St John been practicing?
Dr. St John has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Dr. St John do most often?
According to Medicare billing data, Dr. St John 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 Dr. St John confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. St John. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.