David S. Grenda, MD, PHD
Anesthesiology Physician · Eau Claire, WI
David S. Grenda, MD, PHD is an anesthesiology physician with a practice address in Eau Claire, Wisconsin, and NPI 1336344928, issued on Jun 15, 2007. Check the license (Wisconsin 86153-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- David S. Grenda
- Credential
- MD, PHD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 86153-20 WI
69909 GA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 Bellinger Street, Eau Claire, WI 54703
- Phone
- (715) 833-5222
- Enumerated
- Jun 15, 2007
- Record last updated
- Sep 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20130724000581); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,313 in Wisconsin → Look up another NPI →
Also registered at 1400 Bellinger Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David S. Grenda in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 86153-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 4 group practices
- Mayo Clinic Health System-Northwest Wisconsin Region IncEau Claire, WI
- Mayo Clinic Health System-Southwest Wisconsin Region IncLa Crosse, WI
- Northside Primary Care Professional Services,llcCumming, GA
- Piedmont Anesthesia LLCStockbridge, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David S. Grenda among 1,313 anesthesiology physician records in Wisconsin
David S. Grenda, MD, PHD is one of 1,313 anesthesiology physician records with a practice address in Wisconsin. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 43% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2007 · median 2006 among the 872 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 anesthesiology physician records list a practice address in Eau Claire
They are 42 of the 3,085 NPPES records with a practice address in Eau Claire, and 1,313 anesthesiology physician records in Wisconsin.
All 1,313 in Wisconsin → Every provider in Eau Claire → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Michael Beaudrie, D.O.Eau Claire, WI 547031871595728
- Jeffre Benson, MDEau Claire, WI 547031487655288
- Daniel Bowman, M.D.Eau Claire, WI 547031376545228
- Richard Cochrane, M.D.Eau Claire, WI 547031639171341
- Eric Etzel, D.O.Eau Claire, WI 547031033111992
- John Evans, M.D.Eau Claire, WI 547031063414779
- Brett Gardner, M.D.Eau Claire, WI 547031952303828
- Philip Gilberstadt, M.D.Eau Claire, WI 547031275535155
Common questions
What is David S. Grenda, MD, PHD's NPI number?
David S. Grenda, MD, PHD's National Provider Identifier (NPI) is 1336344928, issued on Jun 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is David S. Grenda, MD, PHD located?
The NPPES record lists a practice address at 1400 Bellinger Street, Eau Claire, WI, 54703. Phone: (715) 833-5222. Providers update this record themselves, so call before visiting.
How can I verify David S. Grenda, MD, PHD's license?
NPPES lists Wisconsin license number 86153-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is David S. Grenda, MD, PHD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.