Physician Profile
Ralph R Dimattia, MD practices internal medicine in Williamsburg, VA. According to Medicare claims data, Ralph cared for 63 Medicare patients across 93 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
100 SENTARA CIR
Williamsburg, VA 23188
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
93 services · 63 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 |
40 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
38 |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
15 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Dimattia is an internist in Williamsburg, VA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Internal Medicine”.
NPI registry
Dr. Dimattia is listed at 100 SENTARA CIR, Williamsburg, VA 23188. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (757) 984-7218. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Dimattia's National Provider Identifier is 1013985068. 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. Dimattia has 20+ years experience. Registered with an NPI since 2006. 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. Dimattia 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. Dimattia. 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.