Craig A. Backs, M.D.
Internal Medicine Physician · Springfield, IL
Craig A. Backs, M.D. is an internal medicine physician with a practice address in Springfield, Illinois, and NPI 1124043252, issued on Jul 12, 2006. Check the license (Illinois 036065128, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Craig A. Backs
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036065128 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2921 Greenbriar Dr, Springfield, IL 62704
- Phone
- (217) 321-1987
- Enumerated
- Jul 12, 2006
- Record last updated
- Sep 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (866) 594-7830
- Medicaid ID
- 036065128 IL
- Medicare enrollment
- Enrolled (PECOS I20040909000634); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1981
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 2921 Greenbriar Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bradley Blevins, PTAPhysical Therapy Assistant1629200548
- Keith Buescher, PH.D.Clinical Psychologist1841242450
- Richard Dimond, PH.D.Clinical Psychologist1548212145
- Joanne Moussette, PSY.D.Clinical Psychologist1750332037
- Patricia Reichart, NPNurse Practitioner1225024136
- Laurie Salvacion, P.T.Physical Therapist1386923043
Verify Craig A. Backs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036065128Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,201 Medicare Part D claims for 201 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 18 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium449 claims
- Pioglitazone Hcl61 claims
- Levothyroxine Sodium52 claims
- Hydrochlorothiazide40 claims
- Lovastatin35 claims
- Ramipril34 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Craig A. Backs among 7,238 internal medicine physician records in Illinois
Craig A. Backs, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1981 · median 2003 among the 3,580 with a school on file
- Record last updated2011 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
196 internal medicine physician records list a practice address in Springfield
They are 196 of the 4,997 NPPES records with a practice address in Springfield, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Springfield → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Michael Bova, M.D.Springfield, IL 627041861489510
- Ralph Gauen, M.D.Springfield, IL 627041942219324
- Mark Hansen, M.D.Springfield, IL 627041861488801
- Robert Juranek, MDSpringfield, IL 627041336236264
- Lavanya Kolluri, M.D.Springfield, IL 627041043255144
- James Lafata, M.D.Springfield, IL 627041407866270
- Abdur Nawoor, M.D.Springfield, IL 627041154331684
- Pinnamaneni Prasad, MDSpringfield, IL 627041730199829
Common questions
What is Craig A. Backs, M.D.'s NPI number?
Craig A. Backs, M.D.'s National Provider Identifier (NPI) is 1124043252, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Craig A. Backs, M.D. located?
The NPPES record lists a practice address at 2921 Greenbriar Dr, Springfield, IL, 62704. Phone: (217) 321-1987. Providers update this record themselves, so call before visiting.
How can I verify Craig A. Backs, M.D.'s license?
NPPES lists Illinois license number 036065128, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Craig A. Backs, M.D. prescribe under Medicare Part D?
In 2024, Craig A. Backs, M.D. had 1,201 Medicare Part D claims for 201 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.