Physician Profile
Based in Buffalo, NY, Anne Grand'Maison, M.D. is listed in the NPI registry under medical oncology. Anne is also listed as specializing in special hospital. Medicare claims data shows Anne provided 40 services to 28 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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ELM AND CARLTON STREETS
Buffalo, NY 14263
Within Medical Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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40 services · 28 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
28 | Less often than most peers in Medical Oncology |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99221 |
12 | Less often than most peers in Medical Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Anne Grand'Maison is an oncologist in Buffalo, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
Anne Grand'Maison is listed at Elm and Carlton Streets, Buffalo, NY 14263. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (716) 845-2300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Anne Grand'Maison's National Provider Identifier is 1699170803. 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
Anne Grand'Maison attended Other, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
Anne Grand'Maison has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Anne Grand'Maison 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 Anne Grand'Maison. 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.