Diana Atena Chicos, M.D.
Internal Medicine Physician · Chicago, IL
Diana Atena Chicos, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1932132230, issued on Jul 9, 2006. Check the license (Illinois 036-109199, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Diana Atena Chicos
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036-109199 IL
Self-reported in NPPES; status is on the state search - Practice location
- 6434 W North Ave, Chicago, IL 60707
- Phone
- (773) 836-3000
- Enumerated
- Jul 9, 2006
- Record last updated
- Sep 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20040116000941); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 6434 W North Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Diana Atena Chicos 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 036-109199Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
8,957 Medicare Part D claims for 606 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium1,086 claims
- Amlodipine Besylate730 claims
- Losartan Potassium440 claims
- Hydrochlorothiazide324 claims
- Metformin Hcl295 claims
- Metoprolol Succinate208 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
- Advocate Health And Hospitals CorporationBuffalo Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 2,867 in Chicago → All 7,238 in Illinois → Every provider in Chicago →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Elmer Abbo, MDBurr Ridge, IL1710048541
- Paul Abbo, M.D.River Forest, IL1083693378
Common questions
What is Diana Atena Chicos, M.D.'s NPI number?
Diana Atena Chicos, M.D.'s National Provider Identifier (NPI) is 1932132230, issued on Jul 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diana Atena Chicos, M.D. located?
The NPPES record lists a practice address at 6434 W North Ave, Chicago, IL, 60707. Phone: (773) 836-3000. Providers update this record themselves, so call before visiting.
How can I verify Diana Atena Chicos, M.D.'s license?
NPPES lists Illinois license number 036-109199, 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 Diana Atena Chicos, M.D. prescribe under Medicare Part D?
In 2024, Diana Atena Chicos, M.D. had 8,957 Medicare Part D claims for 606 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.