Christopher Knapp, MD, MPH
NPI 1245201920 · Occupational Medicine Physician · Granite City, IL
Christopher Knapp, MD, MPH is a Occupational Medicine Physician provider in Granite City, IL (NPI 1245201920).
Provider details
- NPI number
- 1245201920
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Male
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
20 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2006-01-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Christopher Knapp's NPI number?
- Christopher Knapp's National Provider Identifier (NPI) is 1245201920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Knapp's specialty?
- Christopher Knapp is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Knapp located?
- Christopher Knapp's practice location on file with NPPES is 2044 Madison Ave, Granite City, IL 62040-4641.
- What is Christopher Knapp's phone number?
- The practice phone number listed in the NPPES registry for Christopher Knapp is (618) 798-3475.
- Is Christopher Knapp's NPI active?
- Yes — Christopher Knapp's NPI (1245201920) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.