John Cherf MD Sc
NPI 1043475783 · Orthopaedic Surgery Physician · Chicago, IL
John Cherf MD Sc is a Orthopaedic Surgery Physician organization in Chicago, IL (NPI 1043475783).
Provider details
- NPI number
- 1043475783
- Entity type
- Organization
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lisa Ryan, Manager(815) 834-7244
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-07-22
- Last updated
- 2010-02-05
Frequently asked questions
- What is John Cherf MD Sc's NPI number?
- John Cherf MD Sc's National Provider Identifier (NPI) is 1043475783, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is John Cherf MD Sc?
- John Cherf MD Sc is classified in the NPPES registry as Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is John Cherf MD Sc located?
- John Cherf MD Sc's practice location on file with NPPES is 4646 N Marine Dr, Chicago, IL 60640-5759.
- What is John Cherf MD Sc's phone number?
- The practice phone number listed in the NPPES registry for John Cherf MD Sc is (800) 843-0355.
- Who is the authorized official for John Cherf MD Sc?
- The authorized official listed on John Cherf MD Sc's NPPES record is Lisa Ryan, Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is John Cherf MD Sc's NPI active?
- Yes — John Cherf MD Sc's NPI (1043475783) is active in the NPPES registry as of the last update on 2010-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.