John Christiansen, MD
NPI 1659174845 · Student in an Organized Health Care Education/Training Program · Atlanta, GA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Christiansen, MD is a Student in an Organized Health Care Education/Training Program provider in Atlanta, GA (NPI 1659174845).
Provider details
- NPI number
- 1659174845
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2025-03-31
- Last updated
- 2025-03-31
- Certified
- 2025-03-31
Frequently asked questions
- What is John Christiansen's NPI number?
- John Christiansen's National Provider Identifier (NPI) is 1659174845, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Christiansen's specialty?
- John Christiansen is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is John Christiansen located?
- John Christiansen's practice location on file with NPPES is 1363 Clifton Rd Ne, Atlanta, GA 30322-1013.
- What is John Christiansen's phone number?
- The practice phone number listed in the NPPES registry for John Christiansen is (404) 712-2000.
- Does John Christiansen accept Medicare?
- John Christiansen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Christiansen's NPI active?
- Yes — John Christiansen's NPI (1659174845) is active in the NPPES registry as of the last update on 2025-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.