NPPES file of Aug 9, 2026

Jonathan Todd Extein, MD

Child & Adolescent Psychiatry Physician · Washington, DC

Jonathan Todd Extein, MD is a child & adolescent psychiatry physician with a practice address in Washington, District of Columbia, and NPI 1871170555, issued on Mar 27, 2021. Check the license (District of Columbia MD500003246, 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
1871170555
Name
Jonathan Todd Extein
Credential
MD
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License number
MD500003246 DC
Self-reported in NPPES; status is on the state search
Practice location
4850 Massachusetts Ave NW FL 2, Washington, DC 20016
Phone
(202) 966-0815
Enumerated
Mar 27, 2021
Record last updated
Jun 29, 2026
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 4850 Massachusetts Ave NW FL 2

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

  1. Nicolas Cuttriss, M.D.Pediatric Endocrinology Physician1386890135
  2. Tara MamdouhiPediatrics Physician1770044125

Verify Jonathan Todd Extein 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 MD500003246
    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

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97% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024

17 Medicare Part D claims, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Jonathan Extein17
  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.

Jonathan Todd Extein among 71 child & adolescent psychiatry physician records in District of Columbia

Jonathan Todd Extein, MD 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 updated2026 · 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. Cheryl Collins, MDWashington, DC 200161790850394
  2. Shahbaz Khan, MBBSWashington, DC 200161164597167
  3. Katherine Mallory, M.D.Washington, DC 200161518128131
  4. Donald McKnew, MDWashington, DC 200161619171782
  5. Christopher Raczynski, M.D.Washington, DC 200161689866410
  6. Stephen Cozza, M.D.Washington, DC 200151922105345
  7. Kristen EverettWashington, DC 200151437683372
  8. Enrico Suardi, MD MSWashington, DC 200151144489980

Common questions

What is Jonathan Todd Extein, MD's NPI number?

Jonathan Todd Extein, MD's National Provider Identifier (NPI) is 1871170555, issued on Mar 27, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Todd Extein, MD located?

The NPPES record lists a practice address at 4850 Massachusetts Ave NW FL 2, Washington, DC, 20016. Phone: (202) 966-0815. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Todd Extein, MD's license?

NPPES lists District of Columbia license number MD500003246, 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 Jonathan Todd Extein, MD prescribe under Medicare Part D?

In 2024, Jonathan Todd Extein, MD had 17 Medicare Part D claims; 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.