Jeffrey K. Klotz, M.D.
Hematology & Oncology Physician · Tacoma, WA
Jeffrey K. Klotz, M.D. is a hematology & oncology physician with a practice address in Tacoma, Washington, and NPI 1659361855, issued on Oct 27, 2005. Check the license on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Jeffrey K. Klotz
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- M5800 TX
Self-reported in NPPES; status is on the state search - Practice location
- Madigan Army Medical Ctr, Tacoma, WA 98431
- Phone
- (253) 968-1110
- Enumerated
- Oct 27, 2005
- Record last updated
- Apr 2, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160331002568); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 1997
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 476 in Washington → Look up another NPI →
Also registered at Madigan Army Medical Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martha AlcockNurse's Aide1265881866
- Dennis Allison, CRNACertified Registered Nurse Anesthetist1750356937
- Gregory Anderson, MDFamily Medicine Physician1235299371
- Samantha Arce, PSY.D.Clinical Psychologist1538210067
- Hillary Arnold, D.O.Family Medicine Physician1457340333
- Cristopher Ayala, LPNLicensed Vocational Nurse1760933824
Verify Jeffrey K. Klotz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical CommissionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,183 Medicare Part D claims for 176 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 115 claims were for opioids.
Most prescribed
- Ondansetron Hcl113 claims
- Letrozole95 claims
- Prochlorperazine Maleate77 claims
- Dexamethasone60 claims
- Tamoxifen Citrate47 claims
- Lidocaine-Prilocaine44 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: $1,449.92
67 payments; by number, the most common kind was food and beverage; the largest payer was Daiichi Sankyo 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 one group practice
- Firsthealth OF The Carolinas IncPinehurst, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey K. Klotz among 476 hematology & oncology physician records in Washington
Jeffrey K. Klotz, M.D. 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
- Graduated1997 · median 2006 among the 294 with a school on file
- Record last updated2013 · 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 Tacoma → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Anthony Fadell, M.D.Tacoma, WA 984311154394849
- Naresh Gupta, MDTacoma, WA 984311639113996
- Alex Holt, DOJoint Base Lewis McChord, WA 984311679810089
- Joseph Howells, D.OJoint Base Lewis McChord, WA 984311861837304
- David McCune, M.D.Tacoma, WA 984311457366320
- Luke Meininger, M.D.Tacoma, WA 984311568813897
- Ganapathy Krishnan, M.D.Fife, WA 984241063537645
- Mycal Casey, DOTacoma, WA 984051942824479
Common questions
What is Jeffrey K. Klotz, M.D.'s NPI number?
Jeffrey K. Klotz, M.D.'s National Provider Identifier (NPI) is 1659361855, issued on Oct 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey K. Klotz, M.D. located?
The NPPES record lists a practice address at Madigan Army Medical Ctr, Tacoma, WA, 98431. Phone: (253) 968-1110. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey K. Klotz, M.D.'s license?
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 Jeffrey K. Klotz, M.D. prescribe under Medicare Part D?
In 2024, Jeffrey K. Klotz, M.D. had 1,183 Medicare Part D claims for 176 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.