NPPES file of Aug 9, 2026

Khady Diack

Child & Adolescent Psychiatry Physician · Washington, DC

Khady Diack is a child & adolescent psychiatry physician with a practice address in Washington, District of Columbia, and NPI 1821676479, issued on Apr 1, 2021. Check the license (District of Columbia MD500003391, as entered in NPPES) on the District of Columbia Board of Medicine; 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
1821676479
Name
Khady Diack
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License number
MD500003391 DC
Self-reported in NPPES; status is on the state search
Practice location
111 Michigan Ave NW, Washington, DC 20010
Phone
(888) 884-2327
Enumerated
Apr 1, 2021
Record last updated
Jul 9, 2024
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 111 Michigan Ave NW

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

  1. Joseph AbbahPharmacist1790313948
  2. Emily Abbey, CRNPCritical Care Pediatric Nurse Practitioner1710434006
  3. Claude Abdallah, MDPediatric Anesthesiology Physician1053401851
  4. Islam Abdelmoeti, MBBCHDiagnostic Radiology Physician1588348155
  5. Sarah Abi Raad, MDPediatric Cardiology Physician1528798287
  6. Hassan Aboughalia, MBBCH, MDDiagnostic Radiology Physician1710473954

Verify Khady Diack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
    Search for license MD500003391
    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 District of Columbia 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.

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75% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024

124 Medicare Part D claims for 21 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D.

  1. Khady Diack124
  2. Specialty average504

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.

Khady Diack among 71 child & adolescent psychiatry physician records in District of Columbia

Khady Diack is one of 71 child & adolescent psychiatry physician records with a practice address in District of Columbia. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 87% of them.

  • NPI issued2021 · 87% of these records are older, 8% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · 27% of these records are
  • Record last updated2024 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Child & Adolescent Psychiatry Physician providers in District of Columbia

There are 71 child & adolescent psychiatry physician records in District of Columbia.

The 8 child & adolescent psychiatry physician records with the nearest ZIP codes

  1. Tracy Das, MDWashington, DC 200101114243375
  2. Bhavin Dave, MDWashington, DC 200101336260207
  3. Julia Dorfman, M.D., PH.D.Washington, DC 200101700014156
  4. Jennifer Dorr, D.O., M.P.H.Washington, DC 200101770840142
  5. Oxana Jourkiv, M.D.Washington, DC 200101265631071
  6. Sivabalaji Kaliamurthy, MDWashington, DC 200101386031532
  7. Faith Kelley, MDWashington, DC 200101225267339
  8. Katherine Knutson, M.D., MPHWashington, DC 200101184829251

Common questions

What is Khady Diack's NPI number?

Khady Diack's National Provider Identifier (NPI) is 1821676479, issued on Apr 1, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Khady Diack located?

The NPPES record lists a practice address at 111 Michigan Ave NW, Washington, DC, 20010. Phone: (888) 884-2327. Providers update this record themselves, so call before visiting.

How can I verify Khady Diack's license?

NPPES lists District of Columbia license number MD500003391, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Khady Diack prescribe under Medicare Part D?

In 2024, Khady Diack had 124 Medicare Part D claims for 21 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. 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.