NPPES file of Aug 9, 2026

Joshua David Hartzell, M.D.

Infectious Disease Physician · Bethesda, MD

Joshua David Hartzell, M.D. is an infectious disease physician with a practice address in Bethesda, Maryland, and NPI 1588635205, issued on Jan 30, 2006. Check the license on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1588635205
Name
Joshua David Hartzell
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
0101236543 VA
Self-reported in NPPES; status is on the state search
Practice location
Bld 7, Infectious Diseases Clinic 8901 Rockville Pike, Bethesda, MD 20889
Phone
(301) 295-6295
Enumerated
Jan 30, 2006
Record last updated
Dec 4, 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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Verify Joshua David Hartzell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck 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

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Joshua David Hartzell among 410 infectious disease physician records in Maryland

Joshua David Hartzell, M.D. is one of 410 infectious disease physician records with a practice address in Maryland. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 55% newer
  • In a Medicare fileNo · 59% of these records are
  • In the CMS Doctors and Clinicians fileNo · 49% of these records are
  • Record last updated2023 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

84 infectious disease physician records list a practice address in Bethesda

They are 84 of the 7,245 NPPES records with a practice address in Bethesda, and 410 infectious disease physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Brian Agan, M.D.Bethesda, MD 208891669434718
  2. Adam Armstrong, DOBethesda, MD 208891649248329
  3. Charmagne Beckett, M.D.Bethesda, MD 208891851333603
  4. Jason Blaylock, M.D.Bethesda, MD 208891265411995
  5. Philip Coyne, M.D.Bethesda, MD 208891891876207
  6. Todd Gleeson, M.D.Bethesda, MD 208891306861810
  7. Edward Mitre, MDBethesda, MD 208891679564538
  8. Clinton Murray, M.D.Bethesda, MD 208891356332282

Common questions

What is Joshua David Hartzell, M.D.'s NPI number?

Joshua David Hartzell, M.D.'s National Provider Identifier (NPI) is 1588635205, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joshua David Hartzell, M.D. located?

The NPPES record lists a practice address at Bld 7, Infectious Diseases Clinic 8901 Rockville Pike, Bethesda, MD, 20889. Phone: (301) 295-6295. Providers update this record themselves, so call before visiting.

How can I verify Joshua David Hartzell, M.D.'s license?

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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.