NPPES file of Aug 9, 2026

Mark Mahamoud Gabriel, DC

Chiropractor · Portland, OR

Mark Mahamoud Gabriel, DC is a chiropractor with a practice address in Portland, Oregon, and NPI 1538457585, issued on Jul 12, 2011. Check the license (Oregon 5070, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1538457585
Name
Mark Mahamoud Gabriel
Credential
DC
Primary taxonomy
Chiropractor 111N00000X
License numbers
5070 OR
CH10350 FL
Self-reported in NPPES; status is on the state search
Practice location
1359 NE 35TH Ave., Portland, OR 97232
Phone
(503) 389-5545
Enumerated
Jul 12, 2011
Record last updated
Sep 26, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20170719001331); 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

Verify Mark Mahamoud Gabriel 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 5070
    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.

Bills Medicare through 2 group practices

  1. Advanced Wellness Center LLCPortland, OR
  2. Renovo Chiropractic LLCLincoln City, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

582 chiropractor records list a practice address in Portland

They are 582 of the 42,088 NPPES records with a practice address in Portland, and 1,881 chiropractor records in Oregon.

Other chiropractor records in Oregon

  1. Anna Abbott, DCPortland, OR1235799818
  2. Scott Abrahamson, D.C.Lake Oswego, OR1437363322
  3. Ruben Acevedo, D.C.Roseburg, OR1700445210
  4. Kent Achtyes, D.C.Portland, OR1659590388
  5. Morgan AckermannMilwaukie, OR1831872449
  6. Cory Adams, DCPortland, OR1386507945
  7. Mark Adams, D.C.Ashland, OR1225100571
  8. Perry Adams, D.C.Waldport, OR1134386766
  9. Susan Addison, DCPortland, OR1225223597
  10. Charles Affatato, D.C.Salem, OR1740303130

Common questions

What is Mark Mahamoud Gabriel, DC's NPI number?

Mark Mahamoud Gabriel, DC's National Provider Identifier (NPI) is 1538457585, issued on Jul 12, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Mark Mahamoud Gabriel, DC located?

The NPPES record lists a practice address at 1359 NE 35TH Ave., Portland, OR, 97232. Phone: (503) 389-5545. Providers update this record themselves, so call before visiting.

How can I verify Mark Mahamoud Gabriel, DC's license?

NPPES lists Oregon license number 5070, 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. 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.