NPPES file of Aug 9, 2026

Robert Steven Unitan, M.D.

Pulmonary Disease Physician · Portland, OR

Robert Steven Unitan, M.D. is a pulmonary disease physician with a practice address in Portland, Oregon, and NPI 1780697243, issued on Aug 15, 2006. Check the license (Oregon MD15663, 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
1780697243
Name
Robert Steven Unitan
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License numbers
MD15663 OR
MD00034652 WA
Self-reported in NPPES; status is on the state search
Practice location
500 NE Multnomah St, Portland, OR 97232
Phone
(503) 813-3860
Enumerated
Aug 15, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080326000302); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 1987
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

8 nearest pulmonary disease physician records → All 197 in Oregon → Look up another NPI →

Also registered at 500 NE Multnomah St

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

  1. Matthew Antony, D.D.S.Dentist1366456303
  2. Bennett Barch, M.D.Otolaryngology Physician1386817112
  3. Rebecca BrinkworthPhysical Therapist1285142521
  4. John Brittan, D.M.D.General Practice Dentistry1205904158
  5. Jennifer BurtonOptician1912174574
  6. Wiley Chan, MDInternal Medicine Physician1669588828

Verify Robert Steven Unitan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD15663    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.

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

Robert Steven Unitan among 197 pulmonary disease physician records in Oregon

Robert Steven Unitan, M.D. is one of 197 pulmonary disease physician records with a practice address in Oregon. 82% 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 9% of them.

  • NPI issued2006 · 9% of these records are older, 55% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1987 · median 2005 among the 144 with a school on file
  • Record last updated2007 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Oregon

There are 197 pulmonary disease physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 197 in Oregon → Every provider in Portland → Pulmonary Disease Physician nationwide →

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. James Bordley, M.D.Portland, OR 972271346566981
  2. Emmanuel Tavan, MDPortland, OR 972271003007907
  3. Gopal Allada, MDPortland, OR 972391235236019
  4. Alan Barker, MDPortland, OR 972391215005558
  5. Aline Sonia Buist, MDPortland, OR 972391730286501
  6. Mark Chesnutt, MDPortland, OR 972391891892667
  7. Crystal Duran, MDPortland, OR 972251376954156
  8. Gregory Flick, M.D.Portland, OR 972251417991969

Common questions

What is Robert Steven Unitan, M.D.'s NPI number?

Robert Steven Unitan, M.D.'s National Provider Identifier (NPI) is 1780697243, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Steven Unitan, M.D. located?

The NPPES record lists a practice address at 500 NE Multnomah St, Portland, OR, 97232. Phone: (503) 813-3860. Providers update this record themselves, so call before visiting.

How can I verify Robert Steven Unitan, M.D.'s license?

NPPES lists Oregon license number MD15663, 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.