Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. SHARLENE LILLIAN D'SOUZA M.D.
NPI 1295821890
Internal Medicine - Gastroenterology in Clackamas, OR

Active since October 04, 2006PECOS Enrolled
83.42/100
CMS Quality Rating
9900 SE SUNNYSIDE RD, CLACKAMAS, OR 97015(800) 813-2000 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Sharlene Lillian D'souza M.d. NPPES

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

DR. SHARLENE LILLIAN D'SOUZA M.D. (NPI 1295821890) is an individual gastroenterology provider in Clackamas, Oregon, licensed in Oregon (MD157748) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with Yakima Valley Memorial, and maintains a secondary practice location in Columbia.

NPPES Registry Identity

NPI1295821890
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. SHARLENE LILLIAN D'SOUZACredential: M.D.
Location Address9900 SE SUNNYSIDE RDClackamas, OR 97015-9777
Mailing Address500 Ne Multnomah St Ste 100Portland, OR 97232-2031
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateOctober 4, 2006
Last NPPES UpdateOctober 19, 2026
NPPES CertifiedOctober 19, 2026
✔ NPI 1295821890 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in OR · MD157748✔ Licensed in MO · 2023035709✔ Licensed in WA · MD61455010
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.
9900 SE SUNNYSIDE RD, Clackamas, OR 97015

Secondary Practice Location 1

Location 1One Hospital DrColumbia, MO 65212-0001 · Phone (573) 884-8445 · Fax (573) 884-5318

Accepted 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. Sharlene Lillian D'souza 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 ID3476722000
PECOS Enrollment IDI20120815000680, I20240122002702
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 Sharlene D'souza reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sleep Disorder Diagnostic
9717 SE SUNNYSIDE RD, 3RD FLOOR
Clackamas, OR 97015
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • Also billed through NPI 1871848457 (Washington)
  • 3,207 clinicians in this Medicare group
General Acute Care Hospital
2811 TIETON DRIVE
Yakima, WA 98902
  • Reassigned Medicare billing, Washington enrollment
  • 565 clinicians in this Medicare group

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 2

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.

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.
20 services20 patients
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.
18 services18 patients

Hospital Affiliations CMS Care Compare

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

Yakima Valley Memorial

Acute Care Hospitals · Yakima, WA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number500036
Location2811 Tieton DriveYakima, WA 98902 · Yakima County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97015 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.

83.42/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality80.38
Improvement Activities40
Cost70.91

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.

Orthopaedic Surgery
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Internal Medicine (Nephrology)
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Dermatology
9900 SE SUNNYSIDE RD, NW PERMANENTE PC, PHYSICIANS AND SURGEONS
CLACKAMAS, OR 97015
Physician Assistant (Medical)
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Counselor (Mental Health)
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Internal Medicine (Gastroenterology)
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Dietitian, Registered
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015
Dermatology
9900 SE SUNNYSIDE RD
CLACKAMAS, OR 97015

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 Sharlene D'souza's NPI number?

The NPI number for Sharlene D'souza is 1295821890. It was assigned to this individual provider in the NPPES registry on October 4, 2006.

Where is Sharlene D'souza located?

Sharlene D'souza practices at 9900 SE Sunnyside Rd, Clackamas, OR 97015. The listed phone number is (800) 813-2000.

What is Sharlene D'souza's specialty?

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

Is Sharlene D'souza enrolled in Medicare?

Yes. Sharlene D'souza 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 Sharlene D'souza's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sharlene D'souza reassigns Medicare benefits to 2 organizations: Kaiser Foundation Health Plan Of The Northwest (Clackamas, OR) and Yakima Valley Memorial Physicians (Yakima, WA). 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 Sharlene D'souza's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sharlene D'souza accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Sharlene D'souza 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 Sharlene D'souza affiliated with any hospitals?

According to CMS data, Sharlene D'souza is affiliated with Yakima Valley Memorial.

When was this NPI record last updated?

The NPPES record for Sharlene D'souza was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.