NPPES file of Aug 9, 2026

David W. Gantz, LCSW

Clinical Social Worker · Portland, OR

David W. Gantz, LCSW is a clinical social worker with a practice address in Portland, Oregon, and NPI 1164529848, issued on Sep 17, 2006. Check the license (Oregon 2896, as entered in NPPES) with the Oregon board that licenses this profession; 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
1164529848
Name
David W. Gantz
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
2896 OR
Self-reported in NPPES; status is on the state search
Practice location
4531 SE Belmont St FL 3, Portland, OR 97215
Phone
(503) 234-3400
Enumerated
Sep 17, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(503) 233-9424
Medicare enrollment
Enrolled (PECOS I20061121000628); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 4531 SE Belmont St FL 3

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

  1. Dana Brenden, PMHNPPsychiatric/Mental Health Registered Nurse1205081767

Verify David W. Gantz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license 2896
    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
Find 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

David W. Gantz among 5,014 clinical social worker records in Oregon

David W. Gantz, LCSW is one of 5,014 clinical social worker records with a practice address in Oregon. 12% 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 under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 88% newer
  • In a Medicare fileNo · 12% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated1997 · median 2011 among the 1,044 with a school on file
  • Record last updated2007 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,902 clinical social worker records list a practice address in Portland

They are 1,902 of the 42,088 NPPES records with a practice address in Portland, and 5,014 clinical social worker records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 clinical social worker records with the nearest ZIP codes

  1. Charles Blackmar, LCSWPortland, OR 972151194925461
  2. Diana Frates, LCSWPortland, OR 972151558546465
  3. Katrina Gould, MSW, LCSWPortland, OR 972151174692388
  4. Zachariah Meints, LCSWPortland, OR 972151649423294
  5. Heather Mulkerns, LCSWPortland, OR 972151669578217
  6. Marilyn Pool, LCSWPortland, OR 972151205925724
  7. Alice Powell, MA CLINICAL SOC WORKPortland, OR 972151700924552
  8. Beth Richman, LCSW, CADC IPortland, OR 972151750586350

Common questions

What is David W. Gantz, LCSW's NPI number?

David W. Gantz, LCSW's National Provider Identifier (NPI) is 1164529848, issued on Sep 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David W. Gantz, LCSW located?

The NPPES record lists a practice address at 4531 SE Belmont St FL 3, Portland, OR, 97215. Phone: (503) 234-3400. Providers update this record themselves, so call before visiting.

How can I verify David W. Gantz, LCSW's license?

NPPES lists Oregon license number 2896, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity 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. 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.