James V. Klas, M.D.
Colon & Rectal Surgery Physician · Milwaukee, WI
James V. Klas, M.D. is a colon & rectal surgery physician with a practice address in Milwaukee, Wisconsin, and NPI 1467420653, issued on Mar 14, 2006. Check the license (Wisconsin 32319, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- James V. Klas
- Credential
- M.D.
- Primary taxonomy
- Colon & Rectal Surgery Physician 208C00000X
- License number
- 32319 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2801 W KK River Pkwy, Milwaukee, WI 53215
- Phone
- (414) 649-3240
- Enumerated
- Mar 14, 2006
- Record last updated
- Nov 6, 2023
- Fax
- (414) 649-3244
- Medicaid ID
- 31752800 WI
- Medicare enrollment
- Enrolled (PECOS I20100105000531); may accept Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest colon & rectal surgery physician records → All 31 in Wisconsin → Look up another NPI →
Also registered at 2801 W KK River Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Reid Bowers, PA-CPhysician Assistant1710001029
- Luann Bronek, PAPhysician Assistant1821065517
- Vanessa Cain, MSN RNRegistered Nurse1033579263
- Cristino Canga, MDGastroenterology Physician1588631253
- Richard Carballo, M.D.Vascular Surgery Physician1245208644
- Casey Cohn, MS, FNP, APNPNurse Practitioner1265539704
Verify James V. Klas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 32319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $100.22
1 payment: food and beverage; the largest payer was Intuitive Surgical, Inc. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
James V. Klas among 31 colon & rectal surgery physician records in Wisconsin
James V. Klas, M.D. is one of 31 colon & rectal surgery physician records with a practice address in Wisconsin. 94% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 68% newer
- In a Medicare fileYes · 94% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated1990 · median 2006 among the 27 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Colon & Rectal Surgery Physician providers in Wisconsin
There are 31 colon & rectal surgery physician records in Wisconsin.
All 31 in Wisconsin → Every provider in Milwaukee → Colon & Rectal Surgery Physician nationwide →
The 8 colon & rectal surgery physician records with the nearest ZIP codes
- Amy Hanna-Salami, M.D.Milwaukee, WI 532151619177870
- Molly Meyers, M.D.Milwaukee, WI 532151356636781
- Kate Vasconcellos, MDMilwaukee, WI 532151437477320
- Jasna Coralic, MDMilwaukee, WI 532111528296753
- Rudolph Kluiber, M.D.Milwaukee, WI 532091508895335
- Jed Calata, M.D.Milwaukee, WI 532261972828929
- Katherine Hu, MDMilwaukee, WI 532261578959771
- Carrie Peterson, MDMilwaukee, WI 532261376707729
Common questions
What is James V. Klas, M.D.'s NPI number?
James V. Klas, M.D.'s National Provider Identifier (NPI) is 1467420653, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James V. Klas, M.D. located?
The NPPES record lists a practice address at 2801 W KK River Pkwy, Milwaukee, WI, 53215. Phone: (414) 649-3240. Providers update this record themselves, so call before visiting.
How can I verify James V. Klas, M.D.'s license?
NPPES lists Wisconsin license number 32319, 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.