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DR. CHARLES H KOH M.D.
NPI 1770683062
Specialist in Milwaukee, WI

Active since September 25, 2006PECOS Enrolled
2015 E NEWPORT AVE, SUITE 707, MILWAUKEE, WI 53211(414) 289-9668(414) 289-0974 Get Directions Write a Review

NPPES record last updated: November 13, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Charles H Koh M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHARLES H KOH M.D. (NPI 1770683062) is an individual specialist in Milwaukee, Wisconsin, licensed in Wisconsin (21439-020) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1770683062
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. CHARLES H KOHCredential: M.D.
Location Address2015 E NEWPORT AVE, SUITE 707Milwaukee, WI 53211-2984
Mailing Address2015 E Newport Ave, Suite 707Milwaukee, WI 53211-2984 · (414) 289-9668 · Fax (414) 289-0974
Phone(414) 289-9668
Fax(414) 289-0974
Sole ProprietorYes
Enumeration DateSeptember 25, 2006
Last NPPES UpdateNovember 13, 2007
✔ NPI 1770683062 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in WI · 21439-020
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
2015 E NEWPORT AVE, Milwaukee, WI 53211
Open in Google Maps ↗

Other Identifiers 2

Other391345728029WI · Anthem Blue Cross Blue Sh
Medicare UPINB54246WI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Charles H Koh M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Charles Koh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Reproductive Specialty Center
1.2 mi
Specialist
2315 N LAKE DR, SUITE 501
Milwaukee, WI 53211
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4 clinicians in this Medicare group
NPI 1669518916 (414) 289-9668

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

THOMAS G MLODZIK MSW, LCSW, LMFT, CAD
Social Worker (Clinical)
2015 E NEWPORT AVE, SUITE 404
MILWAUKEE, WI 53211
Milwaukee County (414) 961-5520
DR. ROBERT STANLEY STEMBERGER D.D.S.
Dentist (General Practice)
2015 E NEWPORT AVE, 405
MILWAUKEE, WI 53211
Milwaukee County (414) 963-1127
DR. PEDER NELSON PIERING PHD
Psychologist (Clinical)
2015 E NEWPORT AVE, SUITE 409
MILWAUKEE, WI 53211
Milwaukee County (414) 259-3900
KAREN LEE CHAMBERLAIN APNP
Nurse Practitioner (Family)
2015 E NEWPORT AVE, SUITE 409
MILWAUKEE, WI 53211
Milwaukee County (414) 259-3900
JOANNA GALEZOWSKA MD. SC
Specialist
2015 E NEWPORT AVE, 308
MILWAUKEE, WI 53211
Milwaukee County (414) 961-5550
AURORA ADVANCED HEALTHCARE, INC.
Durable Medical Equipment & Medical Supplies
2015 E NEWPORT AVE
MILWAUKEE, WI 53211
Milwaukee County (414) 247-4500
CRAIG A. SIVERHUS, MD SC
Surgery
2015 E NEWPORT AVE, SUITE 305
MILWAUKEE, WI 53211
Milwaukee County (414) 961-0531
BEHAVIORAL SOLUTIONS, INC.
Nurse Practitioner
2015 E NEWPORT AVE, SUITE 409
MILWAUKEE, WI 53211
Milwaukee County (414) 259-3900

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles Koh's NPI number?

The NPI number for Charles Koh is 1770683062. It was assigned to this individual provider in the NPPES registry on September 25, 2006.

Where is Charles Koh located?

Charles Koh practices at 2015 E Newport Ave Suite 707, Milwaukee, WI 53211. The listed phone number is (414) 289-9668.

What is Charles Koh's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Charles Koh enrolled in Medicare?

Yes. Charles Koh is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Charles Koh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Koh reassigns Medicare benefits to Reproductive Specialty Center (Milwaukee, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Charles Koh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Charles Koh was last updated on November 13, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.