Jay L. Wittenkeller, MD
Hematology & Oncology Physician · Spokane, WA
Jay L. Wittenkeller, MD is a hematology & oncology physician with a practice address in Spokane, Washington, and NPI 1487647566, issued on Aug 24, 2005. Check the license (Washington MD00033837, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Jay L. Wittenkeller
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD00033837 WA
Self-reported in NPPES; status is on the state search - Practice location
- 910 W 5TH Ave, Spokane, WA 99204
- Phone
- (509) 838-2531
- Enumerated
- Aug 24, 2005
- Record last updated
- Dec 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 8192734 WA
- Medicare enrollment
- Enrolled (PECOS I20040713000960); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 476 in Washington → Look up another NPI →
Also registered at 910 W 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Armstrong, CNMAdvanced Practice Midwife1023106994
- Tonia Baker, C.N.M./ A.R.N.PAdvanced Practice Midwife1629386610
- Susan Baran, ARNPFamily Nurse Practitioner1326040130
- Kathleen Bentley, CNMAdvanced Practice Midwife1619065505
- Gaye Bloxom, PA-CPhysician Assistant1780862359
- Abigail Blumenthal, PAMedical Physician Assistant1205354727
Verify Jay L. Wittenkeller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00033837Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average hematology & oncology physician in 2024
1,800 Medicare Part D claims for 207 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 199 claims were for opioids.
Most prescribed
- Anastrozole139 claims
- Abiraterone Acetate85 claims
- Acyclovir74 claims
- Prednisone69 claims
- Dexamethasone66 claims
- Ondansetron Odt61 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.
Industry payments in 2024: $15.27
1 payment: food and beverage; the largest payer was Celgene Corporation. 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 one group practice
- Multicare Health SystemGig Harbor, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jay L. Wittenkeller among 476 hematology & oncology physician records in Washington
Jay L. Wittenkeller, MD is one of 476 hematology & oncology physician records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1990 · median 2006 among the 294 with a school on file
- Record last updated2008 · 62% 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 Washington 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 Washington
There are 476 hematology & oncology physician records in Washington.
All 476 in Washington → Every provider in Spokane → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Carl Freter, MDSpokane, WA 992041760594071
- Brett Gourley, MDSpokane, WA 992041710142070
- Kirk Lund, MDSpokane, WA 992041881686228
- Corliss Newman, MDSpokane, WA 992041760475073
- Emilio Sulpizio, M.D.Spokane, WA 992041730543117
- Joe Choi, M.D.Spokane, WA 992031760494819
- Janet Chestnut, M.D.Spokane, WA 992021316082605
- Mei Dong, M.D., PH.D.Spokane, WA 992021790960334
Common questions
What is Jay L. Wittenkeller, MD's NPI number?
Jay L. Wittenkeller, MD's National Provider Identifier (NPI) is 1487647566, issued on Aug 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jay L. Wittenkeller, MD located?
The NPPES record lists a practice address at 910 W 5TH Ave, Spokane, WA, 99204. Phone: (509) 838-2531. Providers update this record themselves, so call before visiting.
How can I verify Jay L. Wittenkeller, MD's license?
NPPES lists Washington license number MD00033837, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jay L. Wittenkeller, MD prescribe under Medicare Part D?
In 2024, Jay L. Wittenkeller, MD had 1,800 Medicare Part D claims for 207 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
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.