William C. Pierce, M.D.
Hematology & Oncology Physician · Salem, OR
William C. Pierce, M.D. is a hematology & oncology physician with a practice address in Salem, Oregon, and NPI 1184718314, issued on Oct 3, 2006. Check the license (Oregon MD 18627, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- William C. Pierce
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- MD 18627 OR
MD18627 OK
Self-reported in NPPES; status is on the state search - Practice location
- 875 Oak St SE, Salem, OR 97301
- Phone
- (503) 561-6444
- Enumerated
- Oct 3, 2006
- Record last updated
- Jul 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (503) 561-6440
- Medicaid ID
- 061325 OR
- Medicare enrollment
- Enrolled (PECOS I20100730000940); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 138 in Oregon → Look up another NPI →
Also registered at 875 Oak St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joshua Andrew, PACSurgical Physician Assistant1245564491
- Jennifer Arbaugh, MS, CF-SLPSpeech-Language Pathologist1417424045
- Edwin Austin, MDPlastic Surgery Physician1669479978
- Maziar Azadpour, M.D.Cardiovascular Disease Physician1730131855
- Patricia Barnes-Light, CNM NPAdvanced Practice Midwife1700806965
- Melissa Barone, PA-CSurgical Physician Assistant1144520453
Verify William C. Pierce in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD 18627Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.9 times the Medicare Part D claims of the average hematology & oncology physician in 2024
5,167 Medicare Part D claims for 734 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 524 claims were for opioids.
Most prescribed
- Eliquis301 claims
- Oxycodone Hcl210 claims
- Acyclovir185 claims
- Tamoxifen Citrate176 claims
- Anastrozole169 claims
- Hydroxyurea166 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,426.07
59 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Good Samaritan Hospital CorvallisCorvallis, OR
- Oregon Oncology Specialists LLPSalem, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William C. Pierce among 138 hematology & oncology physician records in Oregon
William C. Pierce, M.D. is one of 138 hematology & oncology physician records with a practice address in Oregon. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 46% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1987 · median 2001 among the 97 with a school on file
- Record last updated2021 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Oregon
There are 138 hematology & oncology physician records in Oregon.
All 138 in Oregon → Every provider in Salem → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Nicholas Barber, MDSalem, OR 973011508033465
- Rahim Jiwani, MDSalem, OR 973011760043640
- Janelle Meyer, MDSalem, OR 973011881720068
- Charles Petrunin, M.D.Salem, OR 973011881788099
- Renee Prins, M.D.Salem, OR 973011639381346
- John Strother, M.DSalem, OR 973011518922111
- Peter Kenyon, M.D.Corvallis, OR 973301083664338
- Stephen Neville, MDCorvallis, OR 973301912955816
Common questions
What is William C. Pierce, M.D.'s NPI number?
William C. Pierce, M.D.'s National Provider Identifier (NPI) is 1184718314, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William C. Pierce, M.D. located?
The NPPES record lists a practice address at 875 Oak St SE, Salem, OR, 97301. Phone: (503) 561-6444. Providers update this record themselves, so call before visiting.
How can I verify William C. Pierce, M.D.'s license?
NPPES lists Oregon license number MD 18627, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William C. Pierce, M.D. prescribe under Medicare Part D?
In 2024, William C. Pierce, M.D. had 5,167 Medicare Part D claims for 734 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is William C. Pierce, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.