Ralph J. Derango, DMD
Dentist · Bartlett, IL
Ralph J. Derango, DMD is a dentist with a practice address in Bartlett, Illinois, and NPI 1962707620, issued on Jan 11, 2011. Check the license (Illinois 019021312, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ralph J. Derango
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 019021312 IL
Self-reported in NPPES; status is on the state search - Practice location
- 104 S Oak Ave, Bartlett, IL 60103
- Phone
- (630) 483-9194
- Enumerated
- Jan 11, 2011
- Record last updated
- Jan 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (630) 483-1197
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Verify Ralph J. Derango in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019021312Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average dentist in 2024
74 Medicare Part D claims for 38 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin29 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.
Industry payments in 2024: $13.30
1 payment: food and beverage; the largest payer was Philips North America LLC. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ralph J. Derango among 4,522 dentist records in Illinois
Ralph J. Derango, DMD is one of 4,522 dentist records with a practice address in Illinois. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 53% of them.
- NPI issued2011 · 53% of these records are older, 45% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2011 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 dentist records list a practice address in Bartlett
They are 13 of the 384 NPPES records with a practice address in Bartlett, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Bartlett → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Vishal Gandhi, DDSBartlett, IL 601031891027280
- Amy Glade Guerra, DDSBartlett, IL 601031568675635
- James Hirsch, DDSBartlett, IL 601031568533867
- Mark Hofmeister, D.D.S.Bartlett, IL 601031700082641
- Jamie Hofmeister, D.D.S.Bartlett, IL 601031588095228
- Orusa Kalota, DMDBartlett, IL 601031750874426
- Cheryl Nakfoor, D.D.S.Bartlett, IL 601031548593569
- James Ryan, DDSBartlett, IL 601031104087956
Common questions
What is Ralph J. Derango, DMD's NPI number?
Ralph J. Derango, DMD's National Provider Identifier (NPI) is 1962707620, issued on Jan 11, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ralph J. Derango, DMD located?
The NPPES record lists a practice address at 104 S Oak Ave, Bartlett, IL, 60103. Phone: (630) 483-9194. Providers update this record themselves, so call before visiting.
How can I verify Ralph J. Derango, DMD's license?
NPPES lists Illinois license number 019021312, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Ralph J. Derango, DMD prescribe under Medicare Part D?
In 2024, Ralph J. Derango, DMD had 74 Medicare Part D claims for 38 beneficiaries; the average among dentist prescribers was 86. 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.