Chet W. Hammill, MD
Surgery Physician · Portland, OR
Chet W. Hammill, MD is a surgery physician with a practice address in Portland, Oregon, and NPI 1720283310, issued on Jun 15, 2007. Check the license (Oregon MD215325, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Chet W. Hammill
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- MD215325 OR
2017006874 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4805 NE Glisan St Ste 6N60, Portland, OR 97213
- Phone
- (503) 281-0561
- Enumerated
- Jun 15, 2007
- Record last updated
- Dec 4, 2025
- Fax
- (503) 416-7377
- Medicaid IDs
- 500607946 OR
200040877 MO
2003573 WA - Medicare enrollment
- Enrolled (PECOS I20090824000732); accepts Medicare assignment
- Medical or professional school
- University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1998
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 524 in Oregon → Look up another NPI →
Also registered at 4805 NE Glisan St Ste 6N60
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daniel Davila Bradley, M.D.Surgery Physician1245587823
- Leonardo Garcia, M.D.Colon & Rectal Surgery Physician1790346393
- Jon Gerry, M.D.Surgery Physician1225353824
- Irene Gielen, FNPFamily Nurse Practitioner1912549627
- Timothy Mansour, M.D.Surgery Physician1851786727
- Lauren Orr, MDSurgery Physician1437597556
Verify Chet W. Hammill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD215325Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $6,300.00
1 payment: consulting fee; the largest payer was BK Medical Holding Company Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Oregon Clinic, PCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chet W. Hammill among 524 surgery physician records in Oregon
Chet W. Hammill, MD is one of 524 surgery 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. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 41% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1998 · median 2005 among the 321 with a school on file
- Record last updated2025 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Oregon
There are 524 surgery physician records in Oregon.
All 524 in Oregon → Every provider in Portland → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Shaghayegh Aliabadi, M.D.Portland, OR 972131083785562
- Edward Bieniek, MDPortland, OR 972131083682744
- Christy Dunst, M.D.Portland, OR 972131073684890
- Eric Friedman, M.D.Portland, OR 972131932267333
- Paul Hansen, MDPortland, OR 972131104818632
- James Imatani, MDPortland, OR 972131891707766
- Richard Jamison, MDPortland, OR 972131770553679
- Patrick Lehti, M.D.Portland, OR 972131942373329
Common questions
What is Chet W. Hammill, MD's NPI number?
Chet W. Hammill, MD's National Provider Identifier (NPI) is 1720283310, issued on Jun 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Chet W. Hammill, MD located?
The NPPES record lists a practice address at 4805 NE Glisan St Ste 6N60, Portland, OR, 97213. Phone: (503) 281-0561. Providers update this record themselves, so call before visiting.
How can I verify Chet W. Hammill, MD's license?
NPPES lists Oregon license number MD215325, 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. 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.