NPPES file of Aug 9, 2026

Christopher Michael Barone

Internal Medicine Physician · Portland, OR

Christopher Michael Barone is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1831187657, issued on Oct 6, 2005. Check the license (Oregon MD28251, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831187657
Name
Christopher Michael Barone
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD28251 OR
Self-reported in NPPES; status is on the state search
Practice location
4805 NE Glisan St, Portland, OR 97213
Phone
(503) 215-2392
Enumerated
Oct 6, 2005
Record last updated
Nov 4, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(503) 215-6918
Medicaid ID
272905 OR
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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8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →

Also registered at 4805 NE Glisan St

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

  1. Bethany Adams, DNP, AGACNPGerontology Nurse Practitioner1053955047
  2. Elie Adwani, MDStudent in an Organized Health Care Education/Training Program1952262453
  3. Rehan Ahmad, MDColon & Rectal Surgery Physician1750457990
  4. Stephanie Ahmed, MDObstetrics & Gynecology Physician1447269170
  5. Shaghayegh Aliabadi, M.D.Surgery Physician1083785562
  6. Anna Apostolou-Keith, RD, LDNRegistered Dietitian1639838790

Verify Christopher Michael Barone in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD28251    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.

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Christopher Michael Barone among 2,116 internal medicine physician records in Oregon

Christopher Michael Barone is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileNo · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2008 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

889 internal medicine physician records list a practice address in Portland

They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,116 in Oregon → Every provider in Portland → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Andris Antoniskis, MDPortland, OR 972131528067972
  2. Shikha Arun, MDPortland, OR 972131306881834
  3. Ruben Halperin, MDPortland, OR 972131457306763
  4. Kimberly Herder, MDPortland, OR 972131811975741
  5. Jeffrey Horacek, MDPortland, OR 972131790721215
  6. Shannon Jackson, MDPortland, OR 972131558301168
  7. William Kennedy, DOPortland, OR 972131467431452
  8. Dorece Norris, MDPortland, OR 972131518952415

Common questions

What is Christopher Michael Barone's NPI number?

Christopher Michael Barone's National Provider Identifier (NPI) is 1831187657, issued on Oct 6, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Michael Barone located?

The NPPES record lists a practice address at 4805 NE Glisan St, Portland, OR, 97213. Phone: (503) 215-2392. Providers update this record themselves, so call before visiting.

How can I verify Christopher Michael Barone's license?

NPPES lists Oregon license number MD28251, 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), 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.