Chet Hammill, MD
NPI 1720283310 · Surgery Physician · Portland, OR
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chet Hammill, MD is a Surgery Physician provider in Portland, OR (NPI 1720283310).
Provider details
- NPI number
- 1720283310
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2017006874 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,300 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 5050 Ne Hoyt St Ste 610Portland, OR 97213-2985Phone: (503) 467-4761
Registry dates
- Enumerated
- 2007-06-15
- Last updated
- 2025-12-04
- Certified
- 2025-12-04
Frequently asked questions
- What is Chet Hammill's NPI number?
- Chet Hammill's National Provider Identifier (NPI) is 1720283310, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chet Hammill's specialty?
- Chet Hammill is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Chet Hammill located?
- Chet Hammill's practice location on file with NPPES is 4805 Ne Glisan St Ste 6n60, Portland, OR 97213-2933.
- What is Chet Hammill's phone number?
- The practice phone number listed in the NPPES registry for Chet Hammill is (503) 281-0561.
- Does Chet Hammill accept Medicare?
- Chet Hammill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chet Hammill's NPI active?
- Yes — Chet Hammill's NPI (1720283310) is active in the NPPES registry as of the last update on 2025-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.