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CRAIG A BACKS MD LLC
NPI 1235421603
Internal Medicine in Springfield, IL

Active since May 04, 2011
2921 GREENBRIAR DR, SUITE C, SPRINGFIELD, IL 62704(217) 321-1987(866) 594-7830 Get Directions Write a Review

NPPES record last updated: May 4, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Craig A Backs Md Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CRAIG A BACKS MD LLC (NPI 1235421603) is a healthcare organization registered as an internal medicine in Springfield, Illinois and active in the NPI registry since May 2011. The organization lists Craig Backs, Owner/physician, as its authorized official.

NPPES Registry Identity

NPI1235421603
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCRAIG A BACKS MD LLC
Location Address2921 GREENBRIAR DR, SUITE CSpringfield, IL 62704-6421
Mailing Address2921 Greenbriar Dr, Suite CSpringfield, IL 62704-6421 · (217) 321-1987 · Fax (866) 594-7830
Phone(217) 321-1987
Fax(866) 594-7830
Organization SubpartNo
Authorized OfficialCraig BacksOwner/physician · (217) 321-1987
Enumeration DateMay 4, 2011
✔ NPI 1235421603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 248000028
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2921 GREENBRIAR DR, Springfield, IL 62704
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Craig A Backs Md Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Craig A Backs MD LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Craig Backs, M.D.
Internal Medicine
NPI 1124043252
2921 GREENBRIAR DR
Springfield, IL 62704
(217) 321-1987
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Craig A Backs MD LLC's NPI number?

The NPI number for Craig A Backs MD LLC is 1235421603. It was assigned to this organization in the NPPES registry on May 4, 2011.

Where is Craig A Backs MD LLC located?

Craig A Backs MD LLC is located at 2921 Greenbriar Dr Suite C, Springfield, IL 62704. The listed phone number is (217) 321-1987.

What is Craig A Backs MD LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Craig A Backs MD LLC enrolled in Medicare?

Yes. Craig A Backs MD LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Craig A Backs MD LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Craig A Backs MD LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Craig A Backs MD LLC was last updated on May 4, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.