Physician Profile
Based in Grand Blanc, MI, John Peter Janson, M.D. is listed in the NPI registry under emergency medicine. According to Medicare claims data, John cared for 35 Medicare patients across 35 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
1 GENESYS PKWY
Grand Blanc, MI 48439
35 services · 35 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
19 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Janson is an emergency physician in Grand Blanc, MI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Emergency Medicine”.
NPI registry
Dr. Janson is listed at 1 GENESYS PKWY, Grand Blanc, MI 48439. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (810) 606-5000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Janson's National Provider Identifier is 1538570098. 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. Janson has 12+ years experience. Registered with an NPI since 2014. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Dr. Janson 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. Janson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.