Registry data as of Aug 27, 2026

David Merz, MD, PHD

Infectious Disease Physician · Portland, OR

David Merz, MD, PHD is an infectious disease physician with a practice address in Portland, Oregon, and NPI 1598725640, issued on Mar 24, 2006. Check the license (Oregon MD205805, as entered in NPPES) on the Oregon Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1598725640
Name
David Merz
Credential
MD, PHD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
MD205805 OR
01039122 IN
4301049222 MI
29529 SC
Self-reported in NPPES; status is on the state search
Practice location
10201 SE Main St Ste 29, Portland, OR 97216
Phone
(503) 261-6028
Enumerated
Mar 24, 2006
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 10201 SE Main St Ste 29

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

  1. Theresa Buckley, M.D.Sleep Medicine (Psychiatry & Neurology) Physician1831283597
  2. Stephanie Dewes, PA-CPhysician Assistant1033604715
  3. Lucas Eberhardt De Master, PSY.D.Mental Health Counselor1356776447
  4. Chad Hagen, M.D.Sleep Medicine (Psychiatry & Neurology) Physician1962627265
  5. Valerie Lanham, LICSWClinical Social Worker1003831801
  6. Chloe Manchester, D.O.Sleep Medicine (Internal Medicine) Physician1154716900

Verify David Merz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD205805
    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 Oregon 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.

Infectious Disease Physician providers in Oregon

There are 105 infectious disease physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other infectious disease physician records in Oregon

  1. Nabil Al-Kourainy, MDPortland, OR1902339971
  2. Phil Alday, MD, PHDPortland, OR1417181629
  3. Diana Antoniskis, M.D.Portland, OR1922116953
  4. Marina Arbuck, M.D.Corvallis, OR1992894851
  5. Elizabeth Belanger, MDPortland, OR1467686287
  6. Tamara Bininashvili, M.D.Salem, OR1225455686
  7. Cliffton Bong, M.D.Portland, OR1609950849
  8. Erin Bonura, MDPortland, OR1013071125
  9. Raymond Bracis, M.D.Portland, OR1609897867
  10. Adam Brady, M.D.Corvallis, OR1326334855

Common questions

What is David Merz, MD, PHD's NPI number?

David Merz, MD, PHD's National Provider Identifier (NPI) is 1598725640, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David Merz, MD, PHD located?

The NPPES record lists a practice address at 10201 SE Main St Ste 29, Portland, OR, 97216. Phone: (503) 261-6028. Providers update this record themselves, so call before visiting.

How can I verify David Merz, MD, PHD's license?

NPPES lists Oregon license number MD205805, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.