Charles Koh, M.D.
Specialist · Milwaukee, WI
Charles Koh, M.D. is a specialist with a practice address in Milwaukee, Wisconsin, and NPI 1770683062, issued on Sep 25, 2006. Check the license (Wisconsin 21439-020, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charles Koh
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 21439-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2015 E Newport Ave, Milwaukee, WI 53211
- Phone
- (414) 289-9668
- Enumerated
- Sep 25, 2006
- Entity
- Type 1 · individual
Also registered at 2015 E Newport Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Berte, NPRegistered Nurse1538279666
- Karen Chamberlain, APNPFamily Nurse Practitioner1043367444
- Kristine Dunlap, PHDPsychologist1497937999
- Kim Heim, APNPNurse Practitioner1295967511
- Heidi Heimler, PHDPsychologist1972613016
- Dean Merwin, MSWClinical Social Worker1306946470
Verify Charles Koh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 21439-020Check 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: $1,134,038.15
5 payments, mostly royalty or license; the largest payer was CooperSurgical, Inc.. The 9,482 providers of this specialty with any payment received $4,756.65 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.
Specialist providers in Wisconsin
There are 336 specialist records in Wisconsin.
Other specialist records in Wisconsin
- Perla Agpoon, M.D.Waukesha, WI1730134255
- Virginia Aguilar-Sincaban, MDMadison, WI1730172081
- Maqsood Ahmad, M.DMilwaukee, WI1639143548
- Richard Ahn, M.D.Tomah, WI1679678015
- Ghadeer AlafifiMadison, WI1033466529
- Linda Alanen, RN, LMT, BAMadison, WI1194084939
- Jesse Albright, MSMiddleton, WI1679914006
- Neta Ambar, DVMMadison, WI1689258170
- Jericka Amendt, SPECIALISTS A14042Hudson, WI1639863038
- Stephanie Andersen, OTRLa Crosse, WI1386773125
Common questions
What is Charles Koh, M.D.'s NPI number?
Charles Koh, M.D.'s National Provider Identifier (NPI) is 1770683062, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles Koh, M.D. located?
The NPPES record lists a practice address at 2015 E Newport Ave, Milwaukee, WI, 53211. Phone: (414) 289-9668. Providers update this record themselves, so call before visiting.
How can I verify Charles Koh, M.D.'s license?
NPPES lists Wisconsin license number 21439-020, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.