Registry data as of Aug 27, 2026

Ari Hakimian, DO

Hematology & Oncology Physician · Park Ridge, IL

Ari Hakimian, DO is a hematology & oncology physician with a practice address in Park Ridge, Illinois, and NPI 1447888276, issued on Mar 28, 2020. Check the license (Illinois 036.161721, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1447888276
Name
Ari Hakimian
Credential
DO
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
036.161721 IL
125.076885 IL
Self-reported in NPPES; status is on the state search
Practice location
1700 Luther LN Ste 2200, Park Ridge, IL 60068
Phone
(847) 268-8200
Enumerated
Mar 28, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1700 Luther LN Ste 2200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sabree Abedrabo, MDHematology & Oncology Physician1790344471
  2. Taha Alrifai, MDInternal Medicine Physician1023463932
  3. Harrah Chiang, DOInternal Medicine Physician1467102640
  4. Christie Hancock, M.D.Internal Medicine Physician1083050413
  5. Michael JacobsInternal Medicine Physician1558854745
  6. Jason Macklis, M.D.Hematology & Oncology Physician1003136458

Verify Ari Hakimian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036.161721
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

96% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

38 Medicare Part D claims for 15 beneficiaries, against an average of 885 among the 8,428 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.

  1. Ari Hakimian38
  2. Specialty average885

Most prescribed

  1. Eliquis12 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.

Hematology & Oncology Physician providers in Illinois

There are 508 hematology & oncology physician records in Illinois.

Other hematology & oncology physician records in Illinois

  1. Yasmin Abaza, M.D.Chicago, IL1033548383
  2. Worood Abboud, M.D.Joliet, IL1245325018
  3. Sabree Abedrabo, MDPark Ridge, IL1790344471
  4. Majed Abuhajir, MDRockford, IL1700837218
  5. Kehinde Adekola, MDChicago, IL1306026117
  6. Solomon Adler, M.D.Chicago, IL1043499866
  7. Edem Agamah, MDSpringfield, IL1932147279
  8. Mebea Aklilu, MDChicago, IL1376527739
  9. Omar Al TamimiSpringfield, IL1952083974
  10. Kathy Albain, M.D.Maywood, IL1679550842

Common questions

What is Ari Hakimian, DO's NPI number?

Ari Hakimian, DO's National Provider Identifier (NPI) is 1447888276, issued on Mar 28, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Ari Hakimian, DO located?

The NPPES record lists a practice address at 1700 Luther LN Ste 2200, Park Ridge, IL, 60068. Phone: (847) 268-8200. Providers update this record themselves, so call before visiting.

How can I verify Ari Hakimian, DO's license?

NPPES lists Illinois license number 036.161721, 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 Ari Hakimian, DO prescribe under Medicare Part D?

In 2024, Ari Hakimian, DO had 38 Medicare Part D claims for 15 beneficiaries; the average among hematology & oncology physician prescribers was 885. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.