Craig Chertack, M.D.
NPI 1811979487 · Specialist · Berlin, WI
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Craig Chertack, M.D. is a Specialist provider in Berlin, WI (NPI 1811979487).
Provider details
- NPI number
- 1811979487
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 169890 (NY)
Specialties & taxonomies
Other Service Providers
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-18
- Last updated
- 2018-03-28
Frequently asked questions
- What is Craig Chertack's NPI number?
- Craig Chertack's National Provider Identifier (NPI) is 1811979487, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Craig Chertack's specialty?
- Craig Chertack is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Craig Chertack located?
- Craig Chertack's practice location on file with NPPES is 225 Memorial Dr, Berlin, WI 54923-1243.
- What is Craig Chertack's phone number?
- The practice phone number listed in the NPPES registry for Craig Chertack is (920) 361-1313.
- Does Craig Chertack accept Medicare?
- Craig Chertack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Craig Chertack's NPI active?
- Yes — Craig Chertack's NPI (1811979487) is active in the NPPES registry as of the last update on 2018-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.