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DR. WILLIAM M KELLEY M.D.
NPI 1164477105
Internal Medicine - Gastroenterology in Portland, OR

Active since May 24, 2006PECOS EnrolledAccepts Medicare Assignment
97.83/100
CMS Quality Rating
3181 SW SAM JACKSON PARK RD, L461, PORTLAND, OR 97239(541) 915-6007 Get Directions Write a Review

NPPES record last updated: September 8, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. William M Kelley M.d. NPPES

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

DR. WILLIAM M KELLEY M.D. (NPI 1164477105) is an individual gastroenterology provider in Portland, Oregon, licensed in Oregon (MD26828) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Salem Hospital, and is a graduate of Stanford University School Of Medicine (1999).

NPPES Registry Identity

NPI1164477105
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. WILLIAM M KELLEYCredential: M.D.
Location Address3181 SW SAM JACKSON PARK RD, L461Portland, OR 97239-3011
Mailing Address3125 Sw Bennington DrPortland, OR 97205-5832 · (541) 915-6007
Phone(541) 915-6007
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 1999
Enumeration DateMay 24, 2006
Last NPPES UpdateSeptember 8, 2016
✔ NPI 1164477105 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in OR · MD26828
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
3181 SW SAM JACKSON PARK RD, Portland, OR 97239
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINH66185OR
Medicaid240216OR
Medicare PIN134942OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Kaiser Permanente, Moda Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William M Kelley M.d. 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 ID7618970302
PECOS Enrollment IDI20060818000313, I20250501001571
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.

Medicare Billing Reassignments

2

Medicare enrollment records show William Kelley reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Professional Services
Same address
General Practice
3181 SW SAM JACKSON PARK RD
Portland, OR 97239
  • Reassigned Medicare billing, Oregon enrollment
  • 2,212 clinicians in this Medicare group
NPI 1376709535 (503) 494-8311
Kaiser Foundation Health Plan Of The Northwest
2.3 mi
General Practice
1035 NW NORTHRUP ST
Portland, OR 97209
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • Also billed through NPI 1871848457 (Washington)
  • 3,207 clinicians in this Medicare group
NPI 1649722034 (800) 813-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500
Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.
61 services61 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
43 services43 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
41 services41 patients
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235
This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.
20 services19 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
20 services16 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
20 services20 patients

Hospital Affiliations CMS Care Compare 2

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

Salem Hospital

Acute Care Hospitals · Salem, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number380051
Location890 Oak Street, SESalem, OR 97301 · Marion County
Emergency services Birthing friendly

Kaiser Foundation Hospital Westside

Acute Care Hospitals · Hillsboro, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380103
Location2875 NW Stucki AveHillsboro, OR 97124 · Washington County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97239 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
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.83/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.97
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

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

DONALD RICHARD SULLIVAN MD
Internal Medicine (Pulmonary Disease)
3181 SW SAM JACKSON PARK RD, UHN67
PORTLAND, OR 97239
Multnomah County (503) 494-6949
MRS. ANJALEE NIX ROWE NP
Nurse Practitioner (Acute Care)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-3988
REEM HASAN MD
Internal Medicine
3181 SW SAM JACKSON PARK RD, PPV 350
PORTLAND, OR 97239
Multnomah County (503) 494-8562
DR. AMANDA D BALL PSY.D
Psychologist (Clinical)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-6176
SUNSHINE WELSCH LMT
Massage Therapist
3181 SW SAM JACKSON PARK RD, 7D19
PORTLAND, OR 97239
Multnomah County (503) 494-8349
DR. ROBERT GENE MEALER M.D., PH.D.
Psychiatry & Neurology (Psychiatry)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-6176
GREGORY HALL MD
Radiology (Diagnostic Radiology)
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 418-0990
DR. BURHAN AHMED MIAN MD
Student in an Organized Health Care Education/Training Program
3181 SW SAM JACKSON PARK RD
PORTLAND, OR 97239
Multnomah County (503) 494-8311

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Kelley's NPI number?

The NPI number for William Kelley is 1164477105. It was assigned to this individual provider in the NPPES registry on May 24, 2006.

Where is William Kelley located?

William Kelley practices at 3181 SW Sam Jackson Park Rd L461, Portland, OR 97239. The listed phone number is (541) 915-6007.

What is William Kelley's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is William Kelley enrolled in Medicare?

Yes. William Kelley is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for William Kelley's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Kelley reassigns Medicare benefits to 2 organizations: University Professional Services (Portland, OR) and Kaiser Foundation Health Plan Of The Northwest (Portland, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Kelley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Kelley accept?

Health plans from Kaiser Permanente and Moda Health Plan, Inc. list William Kelley as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Kelley affiliated with any hospitals?

According to CMS data, William Kelley is affiliated with Salem Hospital and Kaiser Foundation Hospital Westside.

When was this NPI record last updated?

The NPPES record for William Kelley was last updated on September 8, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.