James Mesrobian, MD
Anesthesiology Physician · Summit, WI
James Mesrobian, MD is an anesthesiology physician with a practice address in Summit, Wisconsin, and NPI 1619936325, issued on Mar 21, 2006. Check the license (Wisconsin 45520, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- James Mesrobian
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 45520 WI
Self-reported in NPPES; status is on the state search - Practice location
- 36500 Aurora Dr, Summit, WI 53066
- Phone
- (262) 434-1000
- Enumerated
- Mar 21, 2006
- Record last updated
- Nov 13, 2025
- Medicaid ID
- 1619936325 WI
- Medicare enrollment
- Enrolled (PECOS I20031218000260); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,313 in Wisconsin → Look up another NPI →
Also registered at 36500 Aurora Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Mesrobian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 45520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Aurora Medical Group, Inc.Waukesha, WI
- Racine Anesthesia Services LLCMount Pleasant, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Mesrobian among 1,313 anesthesiology physician records in Wisconsin
James Mesrobian, MD 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 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 49% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1989 · 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).
10 anesthesiology physician records list a practice address in Summit
They are 10 of the 250 NPPES records with a practice address in Summit, and 1,313 anesthesiology physician records in Wisconsin.
All 1,313 in Wisconsin → Every provider in Summit → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Jeffrey Ceschi, M.D.Oconomowoc, WI 530661710960422
- Howard Elconin, M.D.Oconomowoc, WI 530661447233374
- Terrence Gaynor, M.D.Oconomowoc, WI 530661114066719
- Travis Hecker, MDSummit, WI 530661699979518
- Raina Hollenbaugh, M.D.Oconomowoc, WI 530661437132248
- Charles Hollman, DOSummit, WI 530661205062007
- Palmira Janusonis, M.D.Oconomowoc, WI 530661194708644
- Angelo Lambropoulos, D.O.Summit, WI 530661790987014
Common questions
What is James Mesrobian, MD's NPI number?
James Mesrobian, MD's National Provider Identifier (NPI) is 1619936325, issued on Mar 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Mesrobian, MD located?
The NPPES record lists a practice address at 36500 Aurora Dr, Summit, WI, 53066. Phone: (262) 434-1000. Providers update this record themselves, so call before visiting.
How can I verify James Mesrobian, MD's license?
NPPES lists Wisconsin license number 45520, 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.
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.