Registry data as of Aug 27, 2026

Kenneth Arbetter, MD

Internal Medicine Physician · Chicago, IL

Kenneth Arbetter, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1336132851, issued on Aug 30, 2005. Check the license (Illinois 036099519, 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
1336132851
Name
Kenneth Arbetter
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
036099519 IL
Self-reported in NPPES; status is on the state search
Practice location
259 E Erie St, Chicago, IL 60611
Phone
(312) 926-6000
Enumerated
Aug 30, 2005
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 259 E Erie St

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

  1. Adeola Adeoye, APNAcute Care Nurse Practitioner1598103459
  2. Ann Allie, M.D.Geriatric Medicine (Internal Medicine) Physician1619162955
  3. Elizabeth Bailey, P.A.Physician Assistant1154670198
  4. Kent Bailey, M.D.Emergency Medicine Physician1821171844
  5. Lia Bernardi, M.D.Reproductive Endocrinology Physician1467784579
  6. Niyati Bhandari, M.D.Internal Medicine Physician1992068423

Verify Kenneth Arbetter 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 036099519
    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.

15% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,368 Medicare Part D claims for 294 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 11 claims were for opioids.

  1. Kenneth Arbetter2,368
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium256 claims
  2. Rosuvastatin Calcium207 claims
  3. Losartan Potassium151 claims
  4. Ezetimibe116 claims
  5. Amlodipine Besylate108 claims
  6. Levothyroxine Sodium103 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.

The Medicare quality score for 2023: 94.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.6
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Northwestern Medical Faculty FoundationChicago, IL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

3,291 internal medicine physician records list a Chicago practice address

They are 3,291 of the 63,379 NPPES records with a Chicago practice address, and 8,522 internal medicine physician records in Illinois.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Pamela Abadi, D.O.Winfield, IL1588820179
  3. Motaz Abas, MDPeoria, IL1215510201
  4. Elias Abate, M.D.Chicago, IL1336712199
  5. Maliha Abbas, D.O.Chicago, IL1174963920
  6. Zareena Abbas, MDChicago, IL1427078872
  7. Abu Abbasi, MDChicago, IL1083243877
  8. Ayesha Abbasi, MDChicago, IL1376216705
  9. Khalda Abbasi, MDNaperville, IL1487705240
  10. Misha Abbasi, MDChicago, IL1770111635

Common questions

What is Kenneth Arbetter, MD's NPI number?

Kenneth Arbetter, MD's National Provider Identifier (NPI) is 1336132851, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth Arbetter, MD located?

The NPPES record lists a practice address at 259 E Erie St, Chicago, IL, 60611. Phone: (312) 926-6000. Providers update this record themselves, so call before visiting.

How can I verify Kenneth Arbetter, MD's license?

NPPES lists Illinois license number 036099519, 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 Kenneth Arbetter, MD prescribe under Medicare Part D?

In 2024, Kenneth Arbetter, MD had 2,368 Medicare Part D claims for 294 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is Kenneth Arbetter, MD's Medicare quality score?

The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.