CRAIG S CHERTACK M.D.
NPI 1811979487
Specialist in Berlin, WI
About Craig S Chertack M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CRAIG S CHERTACK M.D. (NPI 1811979487) is an individual specialist in Berlin, Wisconsin, licensed in New York (169890) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Craig S Chertack M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Craig Chertack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New London, WI 54961
- Reassigned Medicare billing, Wisconsin enrollment
- 988 clinicians in this Medicare group
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.
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 Craig Chertack's NPI number?
The NPI number for Craig Chertack is 1811979487. It was assigned to this individual provider in the NPPES registry on November 18, 2005.
Where is Craig Chertack located?
Craig Chertack practices at 225 Memorial Dr, Berlin, WI 54923. The listed phone number is (920) 361-1313.
What is Craig Chertack's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Craig Chertack enrolled in Medicare?
Yes. Craig Chertack is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Craig Chertack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Craig Chertack reassigns Medicare benefits to Thedacare, Incorporated (New London, 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 Craig Chertack'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 Craig Chertack was last updated on March 28, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Craig S Chertack, M.D. · NPI 1811979487
Specialist provider in Berlin, Wisconsin. Individual provider, active in the CMS NPPES registry since November 18, 2005.
## Identity
- **NPI:** 1811979487 (Entity type: Individual)
- **Enumerated:** November 18, 2005
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** 169890 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 225 MEMORIAL DR, Berlin, WI 54923-1243
- **Phone:** (920) 361-1313
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Thedacare, Incorporated (NPI 1376656959, New London, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 28, 2018
- **Other identifiers:** Other 076011 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1811979487) · Data from the CMS NPPES public registry.