Physician Profile
Dennis Patrick Grusenmeyer, MD practices internal medicine in Keene, NH. Dennis is a 1997 graduate of University of Cincinnati College of Medicine. Medicare claims data shows Dennis provided 227 services to 136 patients.
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
580 COURT ST
Keene, NH 03431
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Most searched procedures
227 services · 136 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
159 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
41 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
27 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Grusenmeyer is an internal medicine in Keene, NH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Dr. Grusenmeyer is listed at 580 COURT ST, Keene, NH 03431. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (603) 354-5400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Grusenmeyer's National Provider Identifier is 1871568113. 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. Grusenmeyer attended University of Cincinnati College of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
Dr. Grusenmeyer has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Grusenmeyer 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. Grusenmeyer. 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.