NPPES file of Aug 9, 2026

Nancy Younan, M.D.

Psychiatry Physician · Chevy Chase, MD

Nancy Younan, M.D. is a psychiatry physician with a practice address in Chevy Chase, Maryland, and NPI 1669400446, issued on Jun 29, 2006. Check the license (Maryland D54851, as entered in NPPES) on the Maryland Board of Physicians; 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
1669400446
Name
Nancy Younan
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
D54851 MD
Self-reported in NPPES; status is on the state search
Practice location
5454 Wisconsin Ave, Chevy Chase, MD 20815
Phone
(301) 656-4070
Enumerated
Jun 29, 2006
Record last updated
Apr 11, 2008 (not updated in 18 years: call before relying on the address or phone)
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 5454 Wisconsin Ave

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

  1. Marwa Adi, MDSpecialist1104820190
  2. Nabil Altememi, M.D.Sleep Medicine (Psychiatry & Neurology) Physician1699096529
  3. Trevor Andrews, DDSDentist1336263094
  4. Jennifer Arapian, PA-CSurgical Physician Assistant1780911362
  5. Augusto Araujo, D.M.D.Periodontics1457565384
  6. Edison Au, PTSpecialist1104922509

Verify Nancy Younan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D54851
    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 Maryland 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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83% fewer Medicare Part D claims than the average psychiatry physician in 2024

168 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.

  1. Nancy Younan168
  2. Specialty average1,000

Most prescribed

  1. Desvenlafaxine Succinate Er26 claims
  2. Divalproex Sodium22 claims
  3. Quetiapine Fumarate20 claims
  4. Lithium Carbonate Er15 claims
  5. Trazodone Hcl13 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.

Nancy Younan among 1,451 psychiatry physician records in Maryland

Nancy Younan, M.D. is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileNo · 36% of these records are
  • Record last updated2008 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

47 psychiatry physician records list a practice address in Chevy Chase

They are 47 of the 1,118 NPPES records with a practice address in Chevy Chase, and 1,451 psychiatry physician records in Maryland.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Saadia Alizai, M.D.Chevy Chase, MD 208151790771541
  2. Patricia Carrington, MDChevy Chase, MD 208151194835116
  3. Dwight Donesky, M.D.Chevy Chase, MD 208151194809640
  4. Debra Fertig, MDChevy Chase, MD 208151134131980
  5. Luke Grande, MDChevy Chase, MD 208151326116054
  6. Heather Hall, MDChevy Chase, MD 208151407918030
  7. Frank Moscarillo, M.D.Chevy Chase, MD 208151932278488
  8. Steven Polakoff, M.D.Chevy Chase, MD 208151851466734

Common questions

What is Nancy Younan, M.D.'s NPI number?

Nancy Younan, M.D.'s National Provider Identifier (NPI) is 1669400446, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nancy Younan, M.D. located?

The NPPES record lists a practice address at 5454 Wisconsin Ave, Chevy Chase, MD, 20815. Phone: (301) 656-4070. Providers update this record themselves, so call before visiting.

How can I verify Nancy Younan, M.D.'s license?

NPPES lists Maryland license number D54851, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nancy Younan, M.D. prescribe under Medicare Part D?

In 2024, Nancy Younan, M.D. had 168 Medicare Part D claims; 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.