DR. CHET W HAMMILL MD
NPI 1720283310
Surgery in Portland, OR

Q: What is Chet Hammill's NPI number?

The NPI number for Chet Hammill is 1720283310. It was assigned to this individual provider in the NPPES registry on June 15, 2007.

Q: What is Chet Hammill's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Chet Hammill was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 15, 2007PECOS EnrolledAccepts Medicare Assignment

4805 NE GLISAN ST STE 6N60, PORTLAND, OR 97213(503) 281-0561(503) 416-7377 Get Directions Write a Review

NPPES record last updated: December 4, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 4, 2025, Jan 2, 2025, Nov 15, 2021 and 2 more (5 updates tracked since 2017).

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About Dr. Chet W Hammill Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHET W HAMMILL MD (NPI 1720283310) is an individual surgery provider in Portland, Oregon, licensed in Oregon (MD215325) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1998).

NPPES Registry Identity

NPI1720283310

Entity TypeIndividualMale

Primary Taxonomy208600000X

Provider Legal NameDR. CHET W HAMMILLCredential: MD

Location Address4805 NE GLISAN ST STE 6N60Portland, OR 97213-2933

Mailing Address541 Ne 20th Ave Ste 225Portland, OR 97232-2895 · (503) 963-2801 · Fax (503) 963-2825

Phone(503) 281-0561

Fax(503) 416-7377

Sole ProprietorNo

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1998

Enumeration DateJune 15, 2007

Last NPPES UpdateDecember 4, 20255 updates tracked since enumeration

NPPES CertifiedDecember 4, 2025

✔ NPI 1720283310 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

Licenses✔ Licensed in OR · MD215325✔ Licensed in MO · 2017006874

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

4805 NE GLISAN ST STE 6N60, Portland, OR 97213

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Other Identifiers 3

Medicaid500607946OR

Medicaid200040877MO

Medicaid2003573WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Chet W Hammill Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2466506514

PECOS Enrollment IDI20090824000732

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number260032

LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County

Emergency services Birthing friendly

Providence Portland Medical Center

Acute Care Hospitals · Portland, OR

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380061

Location4805 NE Glisan StreetPortland, OR 97213 · Multnomah County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.51 typical visit price

range $58.99 – $176.88

Typical copayment $22.62 (range $14.74 – $44.22)

Most-billed visit code 99203

Established Patient

$73.28 typical visit price

range $19.32 – $144.79

Typical copayment $18.32 (range $4.83 – $36.19)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JON M GERRY M.D.

Surgery