What is Oregon Oncology Specialists, LLP's NPI number?

Oregon Oncology Specialists, LLP's National Provider Identifier (NPI) is 1013953025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Oregon Oncology Specialists, LLP?

Oregon Oncology Specialists, LLP is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).

Where is Oregon Oncology Specialists, LLP located?

Oregon Oncology Specialists, LLP's practice location on file with NPPES is 875 Oak St Se, Salem, OR 97301-3975.

What is Oregon Oncology Specialists, LLP's phone number?

The practice phone number listed in the NPPES registry for Oregon Oncology Specialists, LLP is (503) 561-6444.

Does Oregon Oncology Specialists, LLP accept Medicare?

Oregon Oncology Specialists, LLP is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Who is the authorized official for Oregon Oncology Specialists, LLP?

The authorized official listed on Oregon Oncology Specialists, LLP's NPPES record is William Pierce, Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Oregon Oncology Specialists, LLP's NPI active?

Yes — Oregon Oncology Specialists, LLP's NPI (1013953025) is active in the NPPES registry as of the last update on 2023-09-07.

OrganizationActiveAccepts Medicare

Oregon Oncology Specialists, LLP

NPI 1013953025 · Hematology & Oncology Physician · Salem, OR

Oregon Oncology Specialists, LLP is a Hematology & Oncology Physician organization in Salem, OR (NPI 1013953025).

Provider details

NPI number: 1013953025
Entity type: Organization
Primary specialty: Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
Organization subpart: No
Authorized official: William Pierce, Partner(503) 561-6444

Practice location

875 Oak St Se

Suite 4030

Salem, OR 97301-3975

Phone: (503) 561-6444

Fax: (503) 561-6442

Street-level locationGet directions

More OR providers

Mailing address

875 Oak St Se

Salem, OR 97301-3975

Specialties & taxonomies

Hematology & Oncology PhysicianPrimary207RH0003X
Allopathic & Osteopathic Physicians
Infectious Disease Physician207RI0200X
Allopathic & Osteopathic Physicians
Rheumatology Physician207RR0500X
Allopathic & Osteopathic Physicians

Other names (DBA / former)

Former legal business name: Hematology Oncology of Salem, LLP
Doing business as: Oregon Infectious Disease Specialists
Doing business as: Oregon Rheumatology Specialists
Doing business as: Oregon Specialty Group
Doing business as: Oregon Specialty Infusion

Additional practice locations (3)

3025 Ryan Dr Se
Salem, OR 97301-5057
Phone: (503) 485-0350
Fax: (503) 561-6442
404 Welch St.
Silverton, OR 97381
Phone: (503) 561-6444
Fax: (503) 561-6440
1475 Mount Hood Ave
Woodburn, OR 97071-9066
Phone: (503) 561-6444
Fax: (503) 561-6440

Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(100/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
4 documented practice locations

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.

Enumerated: 2006-06-20
Last updated: 2023-09-07
Certified: 2023-08-28

Frequently asked questions

What is Oregon Oncology Specialists, LLP's NPI number?: Oregon Oncology Specialists, LLP's National Provider Identifier (NPI) is 1013953025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Oregon Oncology Specialists, LLP?: Oregon Oncology Specialists, LLP is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
Where is Oregon Oncology Specialists, LLP located?: Oregon Oncology Specialists, LLP's practice location on file with NPPES is 875 Oak St Se, Salem, OR 97301-3975.
What is Oregon Oncology Specialists, LLP's phone number?: The practice phone number listed in the NPPES registry for Oregon Oncology Specialists, LLP is (503) 561-6444.
Does Oregon Oncology Specialists, LLP accept Medicare?: Oregon Oncology Specialists, LLP is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Who is the authorized official for Oregon Oncology Specialists, LLP?: The authorized official listed on Oregon Oncology Specialists, LLP's NPPES record is William Pierce, Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Oregon Oncology Specialists, LLP's NPI active?: Yes — Oregon Oncology Specialists, LLP's NPI (1013953025) is active in the NPPES registry as of the last update on 2023-09-07.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Other names (DBA / former)

Additional practice locations (3)

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Other names (DBA / former)

Additional practice locations (3)

Profile Score

Frequently asked questions