DR. WILLIAM C PIERCE M.D.
NPI 1184718314
Internal Medicine - Hematology & Oncology in Salem, OR

Q: What is William Pierce's NPI number?

The NPI number for William Pierce is 1184718314. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Q: What is William Pierce's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for William Pierce was last updated on July 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since October 03, 2006PECOS EnrolledAccepts Medicare Assignment

90.27/100

CMS Quality Rating

875 OAK ST SE, SUITE 4030, SALEM, OR 97301(503) 561-6444(503) 561-6440 Get Directions Write a Review

NPPES record last updated: July 8, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 8, 2021, Mar 16, 2021, Nov 3, 2020 (3 updates tracked since 2020).

On this page

About Dr. William C Pierce M.d. NPPES

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

DR. WILLIAM C PIERCE M.D. (NPI 1184718314) is an individual hematology & oncology provider in Salem, Oregon, licensed in Oregon (MD 18627) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Good Samaritan Regional Medical Center, and maintains a secondary practice location in Lincoln City.

NPPES Registry Identity

NPI1184718314

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. WILLIAM C PIERCECredential: M.D.

Location Address875 OAK ST SE, SUITE 4030Salem, OR 97301-3975

Mailing Address875 Oak St Se, Suite 4030Salem, OR 97301-3975 · (503) 561-6444 · Fax (503) 561-6440

Phone(503) 561-6444

Fax(503) 561-6440

Sole ProprietorNo

Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1987

Enumeration DateOctober 3, 2006

Last NPPES UpdateJuly 8, 20213 updates tracked since enumeration

NPPES CertifiedJuly 8, 2021

✔ NPI 1184718314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in OR · MD 18627

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License MD18627 (OK)

875 OAK ST SE, Salem, OR 97301

Open in Google Maps ↗

Secondary Practice Location 1

Location 13100 NE 28th St Ste D1Lincoln City, OR 97367-4524 · Phone (833) 222-5600

Other Identifiers 1

Medicaid061325OR

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William C Pierce 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 ID3779672977

PECOS Enrollment IDI20100730000940

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

Medicare enrollment records show William Pierce reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Oregon Oncology Specialists, LLP

Same address

Hematology & Oncology

875 OAK ST SE, SUITE 4030
Salem, OR 97301

Reassigned Medicare billing, Oregon enrollment
35 clinicians in this Medicare group

NPI 1013953025 (503) 561-6444

Albany General Hospital

20 mi

Clinical Neuropsychologist

534 PLEASANT VIEW WAY NW, SUITE 200
Albany, OR 97321

Reassigned Medicare billing, Oregon enrollment
432 clinicians in this Medicare group

NPI 1609265123 (541) 812-5760

Good Samaritan Hospital Corvallis

21 mi

Internal Medicine

1100 7TH AVE SW
Albany, OR 97321

Reassigned Medicare billing, Oregon enrollment
522 clinicians in this Medicare group

NPI 1063779205 (541) 812-5600

Midv-Valley Healthcare, Inc.

27 mi

Pediatrics

701 N 5TH ST, SUITE C-1020
Lebanon, OR 97355

Reassigned Medicare billing, Oregon enrollment
Medicare enrollment name: Mid-Valley Healthcare Inc
Also billed through NPI 1518347608 (Oregon)
416 clinicians in this Medicare group

NPI 1326304577 (541) 451-7820

Samaritan North Lincoln Hospital

47 mi

Critical Access

3043 NE 28TH STREET
Lincoln City, OR 97367

Reassigned Medicare billing, Oregon enrollment
277 clinicians in this Medicare group

NPI 1306897491 (541) 994-3661

Samaritan Pacific Health Services, Inc.

49 mi

Rural Health

199 WEST HIGHWAY 20
Toledo, OR 97391

Reassigned Medicare billing, Oregon enrollment
332 clinicians in this Medicare group

NPI 1568543692 (541) 574-2730

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 46

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.

Injection, ferric carboxymaltose, 1 mg J1439

Ferric carboxymaltose is an iron supplement injection. It's given when your body needs more iron than you can consume through diet, like in anemia. The injection is administered by a healthcare professional into a vein.

16,500 services14 patients

Injection, fosaprepitant, 1 mg J1453

Fosaprepitant is an anti-nausea medication given via injection. It's often used to prevent nausea and vomiting caused by chemotherapy. This injection blocks signals to the brain that trigger these symptoms, helping you feel better.

12,450 services22 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

5,640 services22 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

2,350 services51 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

1,498 services360 patients

Injection, palonosetron hcl, 25 mcg J2469

Palonosetron HCL is an injection used to prevent nausea and vomiting caused by chemotherapy. It works by blocking a natural substance (serotonin) in the body that can cause vomiting. This helps improve your comfort during cancer treatment.

1,330 services30 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

1,306 services306 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

1,093 services321 patients

Injection, ondansetron hydrochloride, per 1 mg J2405

Ondansetron hydrochloride is a medication given via injection to help prevent nausea and vomiting, often due to chemotherapy or surgery. It works by blocking certain chemicals in the body that trigger these symptoms.

732 services21 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.

425 services252 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

350 services65 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

287 services61 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

270 services50 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

253 services156 patients

Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 96367

This procedure involves injecting fluids or medication directly into your vein. It's used for treatment, prevention, or diagnosis. An additional sequential infusion may be given within an hour if needed. This helps to ensure the medicine is distributed effectively in your body.

226 services56 patients

Unclassified drugs J3490

Unclassified drugs are medications that don't fit into an existing category or class due to their unique properties or uses. They may be used for various conditions and their effects may differ widely. Always ask your healthcare provider for more information about these drugs.

160 services23 patients

Lactate dehydrogenase (enzyme) level 83615

A Lactate Dehydrogenase level test measures the amount of this enzyme in your body. It's often done when tissue damage is suspected, as high levels can indicate issues like heart disease, lung disease, liver disease, or blood disorders. This test helps in diagnosing and monitoring these conditions.

156 services79 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

148 services47 patients

Injection, zoledronic acid, 1 mg J3489

Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.

137 services15 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

131 services26 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

114 services71 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

95 services65 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.

95 services95 patients

Iron binding capacity 83550

Iron binding capacity is a blood test that measures how well your body can bind and transport iron. This helps your healthcare provider assess if your body has too little or too much iron, which can indicate certain health conditions.

94 services64 patients

Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle 96402

This procedure involves the injection of hormone-based anti-cancer drugs under the skin or into a muscle. These medications help to slow down or stop the growth of certain types of cancer cells. The process is usually quick and can be performed in a clinic or hospital.

91 services15 patients

Leuprolide acetate (for depot suspension), 7.5 mg J9217

Leuprolide acetate is a medication that helps regulate certain hormone levels in your body. It's injected into your muscle once a month. This treatment can help manage various health conditions related to hormone imbalance. Always follow your doctor's instructions.

83 services11 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

80 services34 patients

Magnesium level 83735

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

77 services22 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

73 services31 patients

Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 96366

This procedure involves delivering medication, fluids, or nutrients directly into your vein. This is done to treat, prevent, or diagnose various conditions. Each additional hour refers to the extended time you may need to receive these substances for optimal results.

69 services17 patients

Administration of additional new drug or substance into vein using push technique 96411

This procedure involves injecting a new medication or substance directly into your vein using a method called the 'push' technique. It's a quick way to deliver medication into your bloodstream for fast-acting relief or treatment.

62 services13 patients

Administration of additional new drug or substance into vein, 1 hour or less 96417

This procedure involves introducing a new drug or substance into your vein, typically via an IV drip. It lasts for an hour or less. This method allows the substance to quickly reach your bloodstream, ensuring rapid and effective treatment.

59 services16 patients

Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3 86300

This is a blood test that measures the level of CA 15-3, a protein often higher in individuals with certain types of cancer. It helps monitor response to treatment and check for cancer recurrence. It's not a standalone diagnostic test but used alongside other evaluations.

54 services11 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

52 services24 patients

Measurement of immunoglobulin light chains 83521

Measurement of immunoglobulin light chains is a blood test that helps to detect and monitor certain disorders related to your immune system. It measures the levels of specific proteins, known as light chains, produced by your immune cells.

45 services23 patients

Carcinoembryonic antigen (cea) protein level 82378

Carcinoembryonic Antigen (CEA) protein level is a blood test often used in cancer care. It measures the amount of CEA protein in your blood, which can increase in cases of certain types of cancer. It's used to monitor treatment progress and check for cancer recurrence.

44 services21 patients

Red blood count, automated test 85045

An automated red blood count test is a routine lab procedure to measure the number of red blood cells in your blood. These cells carry oxygen throughout the body. The test helps assess overall health and detect conditions like anemia or polycythemia.

35 services29 patients

Gammaglobulin (immune system protein) measurement 82784

Gammaglobulin measurement is a blood test that checks the levels of certain proteins (gammaglobulins) that the body uses to fight infections. High or low levels can indicate various health conditions. It's a simple, quick procedure with minimal discomfort.

32 services13 patients

Infusion, normal saline solution , 1000 cc J7030

An infusion of normal saline solution, 1000 cc, is a common medical procedure. It involves introducing a saltwater solution into your bloodstream via an intravenous (IV) line. This helps to hydrate your body, correct electrolyte imbalances, and deliver medications if needed.

28 services15 patients

Infusion, normal saline solution, sterile (500 ml = 1 unit) J7040

An infusion of a normal saline solution is a common medical procedure. Sterile saline (salt water) is administered into your bloodstream via a drip. This helps to maintain fluid balance in your body, especially when you're unable to drink enough liquids.

26 services12 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

25 services22 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

22 services14 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

16 services12 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

15 services15 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

14 services12 patients

Folic acid level, serum 82746

A Folic Acid Level, Serum test measures the amount of folic acid, a type of B vitamin, in your blood. This vitamin is important for cell growth and development. It's crucial for your body to function well. If your levels are low, it may indicate a deficiency, which can lead to health issues.

13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Good Samaritan Regional Medical Center

Acute Care Hospitals · Corvallis, OR

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380014

Location3600 NW Samaritan DriveCorvallis, OR 97330 · Benton County

Emergency services Birthing friendly

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

Samaritan North Lincoln Hospital

Critical Access Hospitals · Lincoln City, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number381302

Location3043 NE 28th StreetLincoln City, OR 97367 · Lincoln County

Emergency services Birthing friendly

West Valley Hospital

Critical Access Hospitals · Dallas, OR

OwnershipVoluntary non-profit - Private

CMS Certification Number381308

Location525 SE Washington StreetDallas, OR 97338 · Polk County

Emergency services

Samaritan Pacific Community Hospital

Critical Access Hospitals · Newport, OR

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number381314

Location930 SW Abbey StreetNewport, OR 97365 · Lincoln County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97301 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

$166.64 typical visit price

range $54.96 – $166.64

Typical copayment $41.66 (range $13.74 – $41.66)

Most-billed visit code 99205

Established Patient

$97.16 typical visit price

range $17.68 – $136.19

Typical copayment $24.29 (range $4.42 – $34.04)

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.

90.27/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

92.22

Promoting Interoperability

100

Improvement Activities

Cost

66.95

Reported Quality Measures

Advance Care Plan

6%905 patients1/55-star benchmark: 100%

Closing the Referral Loop: Receipt of Specialist Report

15%175 patients1/55-star benchmark: 87%

Controlling High Blood Pressure

54%292 patients3/55-star benchmark: 91%

Documentation of Current Medications in the Medical Record

95%4,083 patients4/55-star benchmark: 100%

e-Prescribing

96%774 patients3/55-star benchmark: 100%

Oncology: Advance Care Planning in Metastatic Cancer Patients

0%97 patients1/55-star benchmark: 85%

Oncology: Hepatitis B Serology Testing and Prophylactic Treatment Prior to Receiving Anti-CD20 Targeting Drugs

72%29 patients

Oncology: Medical and Radiation - Pain Intensity Quantified

99%597 patients4/55-star benchmark: 100%

Oncology: Medical and Radiation - Plan of Care for Pain

100%270 patients5/55-star benchmark: 100%

Oncology: Patient-Reported Pain Improvement

41%182 patients

Oncology: Supportive Care Drug Utilization in Last 14 Days of Life

Lower rates are better for this measure.

0%63 patients

Percentage of Patients Who Died from Cancer Receiving Systemic Cancer-Directed Therapy in the Last 14 Days of Life (lower score better)

Lower rates are better for this measure.

8%63 patients

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

26%1,526 patients2/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

0%1,419 patients1/55-star benchmark: 97%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 78% · 827 patients

Patients screened: 86% · 827 patients

3%64 patients1/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

96%656 patients4/55-star benchmark: 100%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

3%955 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

1 supplier13 claims50 services$18.27 avg. paid by Medicare

Ostomy pouch, closed; for use on barrier with non-locking flange, with filter (2 piece), each A4419

DME-Orthotic Devices · category DF010N

2 suppliers11 claims1,170 services$1.51 avg. paid by Medicare

Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034

Other-Enteral and Parenteral · category OB006N

1 supplier11 claims334 services$3.75 avg. paid by Medicare

Injection, immune globulin (hizentra), 100 mg J1559

Treatment-Injections and Infusions (nononcologic) · category RI008N

1 supplier22 claims7,211 services$9.49 avg. paid by Medicare

Capecitabine, oral, 500 mg J8521

Treatment-Treatment - Miscellaneous · category RX029N

5 suppliers31 claims2,076 services$0.67 avg. paid by Medicare

Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552

DME-Other DME · category DE000N

1 supplier13 claims62 services$2.36 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. ANDREW P. HOPE M.D.

Allergy & Immunology

875 OAK ST SE, SUITE 4000
SALEM, OR 97301

Marion County (503) 364-0189

OREGON ONCOLOGY SPECIALISTS, LLP

Internal Medicine (Hematology & Oncology)

875 OAK ST SE, SUITE 4030
SALEM, OR 97301

Marion County (503) 561-6444

SALEM CARDIOLOGY ARRHYTHMIA DIVISION, P.C.

Internal Medicine (Clinical Cardiac Electrophysiology)

875 OAK ST SE, SUITE #5040
SALEM, OR 97301

Marion County (503) 561-8550

SALEM HOSPITAL

Pharmacy (Institutional Pharmacy)

875 OAK ST SE, COM PHARMACY
SALEM, OR 97301

Marion County (503) 561-6740

DR. FALGUNY I BHAVAN MD

Internal Medicine (Gastroenterology)

875 OAK ST SE, STE 3010
SALEM, OR 97301

Marion County (503) 399-7520

THOMAS ROBIN WINKLER MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

875 OAK ST SE, SUITE 5020
SALEM, OR 97301

Marion County (503) 371-4044

MATTHEW Y KANG M.D.

Radiology (Radiation Oncology)

875 OAK ST SE, SUITE 1080
SALEM, OR 97301

Marion County (503) 561-5294

HARMINDER PAL SINGH GANDHOK M.D.

Internal Medicine (Cardiovascular Disease)

875 OAK ST SE, SUITE 5080
SALEM, OR 97301

Marion County (503) 485-4787

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 Pierce's NPI number?

The NPI number for William Pierce is 1184718314. It was assigned to this individual provider in the NPPES registry on October 3, 2006.

Where is William Pierce located?

William Pierce practices at 875 Oak St SE Suite 4030, Salem, OR 97301. The listed phone number is (503) 561-6444.

What is William Pierce's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is William Pierce enrolled in Medicare?

Yes. William Pierce 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 Pierce's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Pierce reassigns Medicare benefits to 6 organizations: Oregon Oncology Specialists, LLP (Salem, OR), Albany General Hospital (Albany, OR), Good Samaritan Hospital Corvallis (Albany, OR), Midv-Valley Healthcare, Inc. (Lebanon, OR), Samaritan North Lincoln Hospital (Lincoln City, OR) and 1 more organization, listed in the Medicare section above. 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 Pierce's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Pierce accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list William Pierce 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 Pierce affiliated with any hospitals?

According to CMS data, William Pierce is affiliated with Good Samaritan Regional Medical Center, Salem Hospital, Samaritan North Lincoln Hospital, West Valley Hospital and Samaritan Pacific Community Hospital.

When was this NPI record last updated?

The NPPES record for William Pierce was last updated on July 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.