NPPES file of Aug 9, 2026

Raina L. Hollenbaugh, M.D.

Anesthesiology Physician · Oconomowoc, WI

Raina L. Hollenbaugh, M.D. is an anesthesiology physician with a practice address in Oconomowoc, Wisconsin, and NPI 1437132248, issued on Nov 25, 2005. Check the license (Wisconsin 30573-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437132248
Name
Raina L. Hollenbaugh
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
30573-020 WI
Self-reported in NPPES; status is on the state search
Practice location
791 E Summit Ave, Oconomowoc, WI 53066
Phone
(262) 569-9400
Enumerated
Nov 25, 2005
Record last updated
Sep 12, 2025
Medicaid ID
1437132248 WI
Medicare enrollment
Enrolled (PECOS I20060203000043); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 1988
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest anesthesiology physician records → All 1,313 in Wisconsin → Look up another NPI →

Also registered at 791 E Summit Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jeffrey Ceschi, M.D.Anesthesiology Physician1710960422
  2. Howard Elconin, M.D.Anesthesiology Physician1447233374
  3. Timothy Hill, M.D.Emergency Medicine Physician1861478430
  4. Palmira Janusonis, M.D.Anesthesiology Physician1194708644
  5. Catherine Keulks-Torinus, P.A.C.Physician Assistant1114903481
  6. Danielle Leonard, A.P.N.P.Nurse Practitioner1891771895

Verify Raina L. Hollenbaugh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 30573-020    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through 3 group practices

  1. Dean Health Systems IncJanesville, WI
  2. Mercy Health System CorporationJanesville, WI
  3. The Monroe Clinic, Inc.Monroe, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Raina L. Hollenbaugh among 1,313 anesthesiology physician records in Wisconsin

Raina L. Hollenbaugh, M.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 80% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1988 · 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).

Anesthesiology Physician providers in Wisconsin

There are 1,313 anesthesiology physician records in Wisconsin.

All 1,313 in Wisconsin → Every provider in Oconomowoc → Anesthesiology Physician nationwide →

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Jeffrey Ceschi, M.D.Oconomowoc, WI 530661710960422
  2. Howard Elconin, M.D.Oconomowoc, WI 530661447233374
  3. Terrence Gaynor, M.D.Oconomowoc, WI 530661114066719
  4. Travis Hecker, MDSummit, WI 530661699979518
  5. Charles Hollman, DOSummit, WI 530661205062007
  6. Palmira Janusonis, M.D.Oconomowoc, WI 530661194708644
  7. Angelo Lambropoulos, D.O.Summit, WI 530661790987014
  8. Hector LopezSummit, WI 530661639668718

Common questions

What is Raina L. Hollenbaugh, M.D.'s NPI number?

Raina L. Hollenbaugh, M.D.'s National Provider Identifier (NPI) is 1437132248, issued on Nov 25, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Raina L. Hollenbaugh, M.D. located?

The NPPES record lists a practice address at 791 E Summit Ave, Oconomowoc, WI, 53066. Phone: (262) 569-9400. Providers update this record themselves, so call before visiting.

How can I verify Raina L. Hollenbaugh, M.D.'s license?

NPPES lists Wisconsin license number 30573-020, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.