NPPES file of Aug 9, 2026

Kimball H. Ladien, M.D.

Psychiatry Physician · Chicago, IL

Kimball H. Ladien, M.D. is a psychiatry physician with a practice address in Chicago, Illinois, and NPI 1629021787, issued on May 18, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629021787
Name
Kimball H. Ladien
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
Practice location
1011 W Wellington Ave, Chicago, IL 60657
Phone
(773) 883-0200
Enumerated
May 18, 2006
Record last updated
Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(773) 883-0090
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 1011 W Wellington Ave

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

  1. Marc Bear, M.D.Psychiatry Physician1821043290
  2. William HernandezMassage Therapist1750709960
  3. Mollye Levy, PSY.D.Clinical Psychologist1912441908
  4. Grainne McKeown, L.AC.Acupuncturist1205180122
  5. Morteza Mohajer, M.D.Psychiatry Physician1669429155
  6. David Shore, M.D.Urology Physician1184823163

Verify Kimball H. Ladien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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

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71% more Medicare Part D claims than the average psychiatry physician in 2024

1,712 Medicare Part D claims for 85 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.

  1. Kimball Ladien1,712
  2. Specialty average1,000

Most prescribed

  1. Quetiapine Fumarate394 claims
  2. Citalopram Hbr174 claims
  3. Trazodone Hcl161 claims
  4. Haloperidol Decanoate148 claims
  5. Risperidone136 claims
  6. Haloperidol63 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.

841 psychiatry physician records list a practice address in Chicago

They are 841 of the 63,379 NPPES records with a practice address in Chicago, and 2,147 psychiatry physician records in Illinois.

Other psychiatry physician records in Illinois

  1. Alexandra Aaronson, M.D.Chicago, IL1881937928
  2. Anthony Abadir, MDOak Park, IL1295312551
  3. Huma Abbas, M.D.Aurora, IL1609039163
  4. Jeff Abbott, M.D.Chicago, IL1265887509
  5. Kathryn AbbottChicago, IL1295537561
  6. Gil Abelita, MDBloomington, IL1619986551
  7. Dinuk Abeysekera, M.D.North Chicago, IL1366616534
  8. Patrick Abler, DOSpringfield, IL1770158537
  9. Rohit Abraham, MD, MPH, MATChicago, IL1013478932
  10. Richard AbramsChicago, IL1003992413

Common questions

What is Kimball H. Ladien, M.D.'s NPI number?

Kimball H. Ladien, M.D.'s National Provider Identifier (NPI) is 1629021787, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kimball H. Ladien, M.D. located?

The NPPES record lists a practice address at 1011 W Wellington Ave, Chicago, IL, 60657. Phone: (773) 883-0200. Providers update this record themselves, so call before visiting.

How can I verify Kimball H. Ladien, M.D.'s license?

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 Kimball H. Ladien, M.D. prescribe under Medicare Part D?

In 2024, Kimball H. Ladien, M.D. had 1,712 Medicare Part D claims for 85 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.