Physician Profile
Unclaimed ProfileAbout GRENDA
Based in Eau Claire, WI, David S Grenda, MD, PhD is listed in the NPI registry under anesthesiology. David is also listed as specializing in anesthesiology — critical care. According to Medicare claims data, David cared for 135 Medicare patients across 228 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (715) 833-5222
- Email not available
Practice Locations
1400 BELLINGER STREET
Eau Claire, WI 54703
Procedures Most Often Billed to Medicare
228 services · 135 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of artery tube for blood sampling or infusion through skin | Procedure | 36620 |
11 |
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
19 |
| Anesthesia for other procedure on large bowel using an endoscope | Anaesthesia | 00811 |
12 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
97 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
89 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other anesthesiology specialists in Eau Claire 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2007 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of artery tube for blood sampling or infusion through skin 8
Providers in WI who bill this service to Medicare most often.
Common questions
What does Dr. Grenda specialize in?
Dr. Grenda is an anesthesiology in Eau Claire, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
Where is Dr. Grenda located?
Dr. Grenda is listed at 1400 BELLINGER STREET, Eau Claire, WI 54703. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Grenda's phone number?
The number on file is (715) 833-5222. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Grenda's NPI number?
Dr. Grenda's National Provider Identifier is 1336344928. 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
Where did Dr. Grenda go to medical school?
Dr. Grenda attended Other, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Grenda been practicing?
Dr. Grenda has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Grenda do most often?
According to Medicare billing data, Dr. Grenda performs procedures including insertion of artery tube for blood sampling or infusion through skin; provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for other procedure on large bowel using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Grenda confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grenda. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.