NPPES file of Aug 9, 2026

Zachary Arthur Siegel, DO, PHARM.D.

Military Health Care Provider · Bethesda, MD

Zachary Arthur Siegel, DO, PHARM.D. is a military health care provider with a practice address in Bethesda, Maryland, and NPI 1780388496, issued on Mar 28, 2023. Check the license with the Maryland board that licenses this profession; 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
1780388496
Name
Zachary Arthur Siegel
Credential
DO, PHARM.D.
Primary taxonomy
Military Health Care Provider 171000000X
Practice location
8901 Wisconsin Ave, Bethesda, MD 20889
Phone
(301) 295-9283
Enumerated
Mar 28, 2023
Record last updated
Aug 15, 2023
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 8901 Wisconsin Ave

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

  1. Yousef AbdelmotaalPharmacist1316558414
  2. Fenote Abraham, M.D.Addiction Psychiatry Physician1073660916
  3. Anthony AchilleMilitary Health Care Provider1548117609
  4. Chigozie Achuko, DMDDentist1811235898
  5. Jennifer Ackerman Helfand, LCSW-CSocial Worker1912658659
  6. Barry Adams, M.S.S.W.Clinical Social Worker1033242730

Verify Zachary Arthur Siegel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck 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
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46% fewer Medicare Part D claims than the average military health care provider in 2024

73 Medicare Part D claims for 11 beneficiaries, against an average of 135 among the 91 providers of this specialty who prescribed in Part D.

  1. Zachary Siegel73
  2. Specialty average135

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.

Zachary Arthur Siegel among 260 military health care provider records in Maryland

Zachary Arthur Siegel, DO, PHARM.D. is one of 260 military health care provider records with a practice address in Maryland. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 27% of them.

  • NPI issued2023 · 27% of these records are older, 53% newer
  • In a Medicare fileYes · 8% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2023 · 7% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 171000000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

228 military health care provider records list a practice address in Bethesda

They are 228 of the 7,245 NPPES records with a practice address in Bethesda, and 260 military health care provider records in Maryland.

The 8 military health care provider records with the nearest ZIP codes

  1. Lawrence Agodoa, M.D.Bethesda, MD 208891891856373
  2. Brittany Burns, DOBethesda, MD 208891346650686
  3. Barbara Craig, MDBethesda, MD 208891457338055
  4. Donald Ewing, MDBethesda, MD 208891821551409
  5. Corey Lau, MDBethesda, MD 208891811210701
  6. Philip Liotta, DOBethesda, MD 208891740676204
  7. Ann Marini, PH.D., M.D.Bethesda, MD 208891427119395
  8. Amanda Martinez, MDBethesda, MD 208891144768144

Common questions

What is Zachary Arthur Siegel, DO, PHARM.D.'s NPI number?

Zachary Arthur Siegel, DO, PHARM.D.'s National Provider Identifier (NPI) is 1780388496, issued on Mar 28, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Arthur Siegel, DO, PHARM.D. located?

The NPPES record lists a practice address at 8901 Wisconsin Ave, Bethesda, MD, 20889. Phone: (301) 295-9283. Providers update this record themselves, so call before visiting.

How can I verify Zachary Arthur Siegel, DO, PHARM.D.'s license?

Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Zachary Arthur Siegel, DO, PHARM.D. prescribe under Medicare Part D?

In 2024, Zachary Arthur Siegel, DO, PHARM.D. had 73 Medicare Part D claims for 11 beneficiaries; the average among military health care provider prescribers was 135. 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.