Craig a Backs MD LLC
NPI 1235421603 · Internal Medicine Physician · Springfield, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Craig a Backs MD LLC is a Internal Medicine Physician organization in Springfield, IL (NPI 1235421603).
Provider details
- NPI number
- 1235421603
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Craig Backs, Owner/Physician(217) 321-1987
- License
- 248000028 (IL)
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
15 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
- 2011-05-04
- Last updated
- 2011-05-04
Frequently asked questions
- What is Craig a Backs MD LLC's NPI number?
- Craig a Backs MD LLC's National Provider Identifier (NPI) is 1235421603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Craig a Backs MD LLC?
- Craig a Backs MD LLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Craig a Backs MD LLC located?
- Craig a Backs MD LLC's practice location on file with NPPES is 2921 Greenbriar Dr, Springfield, IL 62704-6421.
- What is Craig a Backs MD LLC's phone number?
- The practice phone number listed in the NPPES registry for Craig a Backs MD LLC is (217) 321-1987.
- Does Craig a Backs MD LLC accept Medicare?
- Craig a Backs MD LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Craig a Backs MD LLC?
- The authorized official listed on Craig a Backs MD LLC's NPPES record is Craig Backs, Owner/Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Craig a Backs MD LLC's NPI active?
- Yes — Craig a Backs MD LLC's NPI (1235421603) is active in the NPPES registry as of the last update on 2011-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.