Adam Z. Cheng, MD, PHD
Hematology & Oncology Physician · Seattle, WA
Adam Z. Cheng, MD, PHD is a hematology & oncology physician with a practice address in Seattle, Washington, and NPI 1093394306, issued on Apr 5, 2021. Check the license (Washington MD61440960, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Adam Z. Cheng
- Credential
- MD, PHD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD61440960 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1959 NE Pacific St, Seattle, WA 98195
- Phone
- (206) 543-3605
- Enumerated
- Apr 5, 2021
- Record last updated
- Jun 24, 2026
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 476 in Washington → Look up another NPI →
Also registered at 1959 NE Pacific St
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Verify Adam Z. Cheng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61440960Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
116 Medicare Part D claims for 35 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of 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.
Adam Z. Cheng among 476 hematology & oncology physician records in Washington
Adam Z. Cheng, MD, PHD 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 2021, is newer than 99% of them.
- NPI issued2021 · 99% of these records are older, 1% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 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 Seattle → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Carl Blau, MDSeattle, WA 981951881779619
- John Byon, MDSeattle, WA 981951295848018
- Cheryl Carlson, MDSeattle, WA 981951669586921
- Aude Chapuis, MDSeattle, WA 981951639366529
- Romeo De Claro, MDSeattle, WA 981951194831404
- Mary FlowersSeattle, WA 981951386729184
- Leona HolmbergSeattle, WA 981951720163538
- Hans-Peter KiemSeattle, WA 981951740370600
Common questions
What is Adam Z. Cheng, MD, PHD's NPI number?
Adam Z. Cheng, MD, PHD's National Provider Identifier (NPI) is 1093394306, issued on Apr 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Adam Z. Cheng, MD, PHD located?
The NPPES record lists a practice address at 1959 NE Pacific St, Seattle, WA, 98195. Phone: (206) 543-3605. Providers update this record themselves, so call before visiting.
How can I verify Adam Z. Cheng, MD, PHD's license?
NPPES lists Washington license number MD61440960, 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 Adam Z. Cheng, MD, PHD prescribe under Medicare Part D?
In 2024, Adam Z. Cheng, MD, PHD had 116 Medicare Part D claims for 35 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.