Physician Profile
Based in Reston, VA, Timothy M. Darnauer, DO is listed in the NPI registry under surgical critical care. Timothy is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Timothy cared for 190 Medicare patients across 214 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
1850 TOWN CENTER PKWY
Reston, VA 20190
214 services · 190 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of non-tunneled central venous tube for infusion (5 years or older) | Procedure | 36556 |
20 |
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
14 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
109 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
22 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
20 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
16 |
| Hospital discharge day management, 30 minutes or less | Office visit | 99238 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Darnauer is a surgical critical care in Reston, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Darnauer is listed at 1850 Town Center Pkwy, Reston, VA 20190. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (703) 689-9000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Darnauer's National Provider Identifier is 1659640092. 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. Darnauer attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
Dr. Darnauer has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Darnauer performs procedures including insertion of non-tunneled central venous tube for infusion and insertion of artery tube for blood sampling or infusion through skin, alongside routine visits and testing. 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. Darnauer. 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.