Arsenio D. Atadero, M.D.
Internal Medicine Physician · Algonquin, IL
Arsenio D. Atadero, M.D. is an internal medicine physician with a practice address in Algonquin, Illinois, and NPI 1700884194, issued on Jul 11, 2005. Check the license (Illinois 036094916, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Arsenio D. Atadero
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036094916 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2220 Huntington Dr N, Algonquin, IL 60102
- Phone
- (847) 854-0050
- Enumerated
- Jul 11, 2005
- Record last updated
- Jul 18, 2024
- Fax
- (847) 854-0055
- Medicaid ID
- 036094916 IL
- Medicare enrollment
- Enrolled (PECOS I20040515000311); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 2220 Huntington Dr N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Atadero, M.D.Family Medicine Physician1881692275
- Shelby Smith, LMFTMarriage & Family Therapist1295312809
Verify Arsenio D. Atadero 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 036094916Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average internal medicine physician in 2024
3,639 Medicare Part D claims for 268 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 58 claims were for opioids.
Most prescribed
- Amlodipine Besylate220 claims
- Atorvastatin Calcium204 claims
- Levothyroxine Sodium171 claims
- Metoprolol Succinate171 claims
- Rosuvastatin Calcium137 claims
- Metformin Hcl120 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.
Bills Medicare through one group practice
- Algonquin Family Healthcare PCAlgonquin, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arsenio D. Atadero among 7,238 internal medicine physician records in Illinois
Arsenio D. Atadero, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1992 · median 2003 among the 3,580 with a school on file
- Record last updated2024 · 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).
7 internal medicine physician records list a practice address in Algonquin
They are 7 of the 483 NPPES records with a practice address in Algonquin, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Algonquin → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Barbara Amsler, M.D.Algonquin, IL 601021356351258
- Jeffrey Gindorf, M.D.Algonquin, IL 601021275527319
- Madhu Gundavaram, M.D.Algonquin, IL 601021699796920
- Camelia Marian, MDAlgonquin, IL 601021851451132
- Thomas Salvi, M.D.Algonquin, IL 601021902899461
- Shahwar Syed, M.D.Algonquin, IL 601021679687750
- Kenneth Albrecht, M.D.Bartlett, IL 601031366465577
- Priya Dileep, M.D.Bartlett, IL 601031447562905
Common questions
What is Arsenio D. Atadero, M.D.'s NPI number?
Arsenio D. Atadero, M.D.'s National Provider Identifier (NPI) is 1700884194, issued on Jul 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Arsenio D. Atadero, M.D. located?
The NPPES record lists a practice address at 2220 Huntington Dr N, Algonquin, IL, 60102. Phone: (847) 854-0050. Providers update this record themselves, so call before visiting.
How can I verify Arsenio D. Atadero, M.D.'s license?
NPPES lists Illinois license number 036094916, 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 Arsenio D. Atadero, M.D. prescribe under Medicare Part D?
In 2024, Arsenio D. Atadero, M.D. had 3,639 Medicare Part D claims for 268 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.