Doctor profile · Federal record

Dr. Raina Hollenbaugh, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Oconomowoc, WI

  • NPI 1437132248
  • Accepts Medicare
  • 38 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
791 E Summit Ave
Oconomowoc, WI 530663844
(262) 569-9400
Additional location
3400 E Racine St
Janesville, WI 535462344
(608) 373-8000
fax (608) 373-8795
Mailing address
791 Summit Ave
Oconomowoc, WI 530663844

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
September 12, 2025
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Wisconsin #30573-020
Medicaid
WI #1437132248

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437132248. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
13
Distinct HCPCS
1
Medicare allowed
$1,354
HCPCS Description Services Patients Avg allowed
00812 Anesthesia for exam of colon using an endoscope 13 13 $104

In context: peer comparison

Among 2 peers in this city , average services per provider: 41. This provider delivers 0.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Raina Hollenbaugh's medical specialty?
Dr. Raina Hollenbaugh practices Anesthesiology Physician in Oconomowoc, WI.
Where does Dr. Raina Hollenbaugh practice?
Dr. Raina Hollenbaugh practices at 791 E Summit Ave, Oconomowoc, WI 530663844. Office phone: 2625699400.
What is Dr. Raina Hollenbaugh's NPI?
Dr. Raina Hollenbaugh's National Provider Identifier (NPI) is 1437132248, issued by NPPES.
Does Dr. Raina Hollenbaugh accept Medicare assignment?
Yes. Dr. Raina Hollenbaugh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Raina Hollenbaugh commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.