NPPES file of Aug 9, 2026

Colin James Bartz-Overman, MD

Hospitalist Physician · Portland, OR

Colin James Bartz-Overman, MD is a hospitalist physician with a practice address in Portland, Oregon, and NPI 1336728112, issued on Apr 7, 2021. Check the license on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336728112
Name
Colin James Bartz-Overman
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
330683 NY
Self-reported in NPPES; status is on the state search
Practice location
3181 SW Sam Jackson Park RD, Portland, OR 97239
Phone
(503) 494-8211
Enumerated
Apr 7, 2021
Record last updated
Jul 1, 2024
Medicare enrollment
Enrolled (PECOS I20240910004820); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2021
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.
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Also registered at 3181 SW Sam Jackson Park RD

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

  1. Alex AamodtCritical Care Medicine Registered Nurse1154257590
  2. Jefferson Abaricia, MD, PHDStudent in an Organized Health Care Education/Training Program1073215711
  3. Kenneth Abbey, MDAnesthesiology Physician1588779342
  4. Matthew Abbott, PA-CMedical Physician Assistant1154738003
  5. Ayah Abdelsalam Megahed, MD, MSCVascular & Interventional Radiology Physician1023503596
  6. Obada Abdulrazzak, MDStudent in an Organized Health Care Education/Training Program1598567430

Verify Colin James Bartz-Overman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical BoardCheck 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

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92% fewer Medicare Part D claims than the average hospitalist physician in 2024

40 Medicare Part D claims, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Colin Bartz-Overman40
  2. Specialty average521

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Weill Medical College OF CornellNew York, NY

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

Colin James Bartz-Overman among 471 hospitalist physician records in Oregon

Colin James Bartz-Overman, MD is one of 471 hospitalist physician records with a practice address in Oregon. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 93% of them.

  • NPI issued2021 · 93% of these records are older, 4% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 85% of these records are
  • Graduated2021 · median 2009 among the 400 with a school on file
  • Record last updated2024 · 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 208M00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Oregon

There are 471 hospitalist physician records in Oregon.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Kelly Caverzagie, MDPortland, OR 972391033158084
  2. Priscilla Codiga, M.DPortland, OR 972391629009402
  3. Sima Desai, MDPortland, OR 972391649377417
  4. Tanja Epley, DOPortland, OR 972391336119635
  5. Rebecca Harrison, MDPortland, OR 972391922015841
  6. Mark Helfand, MDPortland, OR 972391972697522
  7. Alan Hunter, MDPortland, OR 972391437165982
  8. Elizabeth Lahti, MDPortland, OR 972391639190564

Common questions

What is Colin James Bartz-Overman, MD's NPI number?

Colin James Bartz-Overman, MD's National Provider Identifier (NPI) is 1336728112, issued on Apr 7, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Colin James Bartz-Overman, MD located?

The NPPES record lists a practice address at 3181 SW Sam Jackson Park RD, Portland, OR, 97239. Phone: (503) 494-8211. Providers update this record themselves, so call before visiting.

How can I verify Colin James Bartz-Overman, MD's license?

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.

How much does Colin James Bartz-Overman, MD prescribe under Medicare Part D?

In 2024, Colin James Bartz-Overman, MD had 40 Medicare Part D claims; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions 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.