Christopher Ryckman, M.D.
NPI 1912984105 · Critical Care Medicine (Internal Medicine) Physician · Lancaster, OH
Christopher Ryckman, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Lancaster, OH (NPI 1912984105).
Provider details
- NPI number
- 1912984105
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 048474 (OH)
Specialties & taxonomies
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
- 2005-12-28
- Last updated
- 2025-09-11
Frequently asked questions
- What is Christopher Ryckman's NPI number?
- Christopher Ryckman's National Provider Identifier (NPI) is 1912984105, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Ryckman's specialty?
- Christopher Ryckman is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Ryckman located?
- Christopher Ryckman's practice location on file with NPPES is 110 N Ewing St, Lancaster, OH 43130-3307.
- What is Christopher Ryckman's phone number?
- The practice phone number listed in the NPPES registry for Christopher Ryckman is (740) 687-5864.
- Is Christopher Ryckman's NPI active?
- Yes — Christopher Ryckman's NPI (1912984105) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.