Kleber Yotsumoto Fertrin, MD, PHD
Hematology (Internal Medicine) Physician · Seattle, WA
Kleber Yotsumoto Fertrin, MD, PHD is a hematology (internal medicine) physician with a practice address in Seattle, Washington, and NPI 1730696774, issued on Dec 29, 2017. Check the license (Washington 60815806, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Kleber Yotsumoto Fertrin
- Credential
- MD, PHD
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- 60815806 WA
Self-reported in NPPES; status is on the state search - Practice location
- 825 Eastlake Ave E, Seattle, WA 98109
- Phone
- (855) 557-0555
- Enumerated
- Dec 29, 2017
- Record last updated
- Jan 2, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180212001391); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 34 in Washington → Look up another NPI →
Also registered at 825 Eastlake Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Farnoush Abar, M.D.Hematology & Oncology Physician1558560342
- Francis Achacoso, MBA, MSN, RN, NE-BCRegistered Nurse1215604061
- Bamidele Adebayo, MDNeurological Surgery Physician1255176194
- Oyebimpe Adesina, MDHematology & Oncology Physician1184934770
- Shirali AgarwalHematology & Oncology Physician1972093052
- Ali AlgiraigriSpecialist1467880260
Verify Kleber Yotsumoto Fertrin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license 60815806Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
77 Medicare Part D claims for 21 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.
Most prescribed
- Eliquis12 claims
- Hydroxyurea12 claims
- Promacta11 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 MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $7,408.50
19 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 721 providers of this specialty with any payment received $13,778.35 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
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kleber Yotsumoto Fertrin among 34 hematology (internal medicine) physician records in Washington
Kleber Yotsumoto Fertrin, MD, PHD is one of 34 hematology (internal medicine) physician records with a practice address in Washington. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 94% of them.
- NPI issued2017 · 94% of these records are older, 3% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2003 · median 1997 among the 21 with a school on file
- Record last updated2018 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Washington
There are 34 hematology (internal medicine) physician records in Washington.
All 34 in Washington → Every provider in Seattle → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Pamela Becker, MD, PHDSeattle, WA 981091861578668
- David Garcia, MDSeattle, WA 981091649286345
- Terry Gernsheimer, MDSeattle, WA 981091639255441
- Paul Hendrie, M.D. PH.D.Seattle, WA 981091144263948
- Sioban Keel, MDSeattle, WA 981091952401143
- Elizabeth Krakow, M.D.,C.M.Seattle, WA 981091447581517
- Dian-Kun Li, M.D.Seattle, WA 981091174762223
- Michael LinenbergerSeattle, WA 981091710063516
Common questions
What is Kleber Yotsumoto Fertrin, MD, PHD's NPI number?
Kleber Yotsumoto Fertrin, MD, PHD's National Provider Identifier (NPI) is 1730696774, issued on Dec 29, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Kleber Yotsumoto Fertrin, MD, PHD located?
The NPPES record lists a practice address at 825 Eastlake Ave E, Seattle, WA, 98109. Phone: (855) 557-0555. Providers update this record themselves, so call before visiting.
How can I verify Kleber Yotsumoto Fertrin, MD, PHD's license?
NPPES lists Washington license number 60815806, 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 Kleber Yotsumoto Fertrin, MD, PHD prescribe under Medicare Part D?
In 2024, Kleber Yotsumoto Fertrin, MD, PHD had 77 Medicare Part D claims for 21 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
What is Kleber Yotsumoto Fertrin, MD, PHD's MIPS final score?
The 2023 MIPS final score is 93.1 of 100. 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.