Doctor profile · Federal record

Dr. David Grenda, MD, PHD

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Critical Care Medicine (Anesthesiology) Physician · Eau Claire, WI

  • NPI 1336344928
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 19 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1400 Bellinger Street
Eau Claire, WI 547035222
(715) 833-5222
Additional location
1800 Howell Mill RD Nw
Atlanta, GA 303182538
(404) 351-1745
fax (404) 351-7121
Mailing address
Po Box 860912, Provider Enrollment
Minneapolis, MN 554860912

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
September 5, 2025
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Wisconsin #86153-20 · Georgia #69909

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336344928. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
245
Distinct HCPCS
5
Medicare allowed
$39,530
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 127 66 $211
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 78 52 $118
00142 Anesthesia for lens surgery 14 14 $56
01402 Anesthesia for procedure for total knee joint replacement 13 13 $159
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 13 13 $56

In context: peer comparison

Among 14 peers in this city , average services per provider: 34. This provider delivers 7.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Grenda's medical specialty?
Dr. David Grenda practices Anesthesiology Physician in Eau Claire, WI.
Where does Dr. David Grenda practice?
Dr. David Grenda practices at 1400 Bellinger Street, Eau Claire, WI 547035222. Office phone: 7158335222.
What is Dr. David Grenda's NPI?
Dr. David Grenda's National Provider Identifier (NPI) is 1336344928, issued by NPPES.
Does Dr. David Grenda accept Medicare assignment?
Yes. Dr. David Grenda accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Grenda commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.