Gregory J. Delzoppo, M.D.
Hematology (Internal Medicine) Physician · Seattle, WA
Gregory J. Delzoppo, M.D. is a hematology (internal medicine) physician with a practice address in Seattle, Washington, and NPI 1790889814, issued on Sep 11, 2006. Check the license (Washington MD00049254, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Gregory J. Delzoppo
- Credential
- M.D.
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- MD00049254 WA
Self-reported in NPPES; status is on the state search - Practice location
- 325 9TH Ave, Seattle, WA 98104
- Phone
- (206) 744-3241
- Enumerated
- Sep 11, 2006
- Record last updated
- Sep 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 1790889814 WA
- Medicare enrollment
- Enrolled (PECOS I20080916000618); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1977
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 325 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Noor Aaf, PA-CMedical Physician Assistant1558394171
- Sheida Aalami, M.D.Internal Medicine Physician1730573296
- Collette AbbottHospitalist Physician1306208293
- Akrm Abdalrahman, MD, MSCritical Care Medicine (Anesthesiology) Physician1801374905
- Martin Abdo, COUNSELORCounselor1821202904
- Nauzley Abedini, M.D.Hospice and Palliative Medicine (Internal Medicine) Physician1043637408
Verify Gregory J. Delzoppo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00049254Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
91 Medicare Part D claims for 12 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Hydroxyurea19 claims
- Eliquis17 claims
- Omeprazole12 claims
- Promacta12 claims
- Prednisone11 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).
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).
Hematology (Internal Medicine) Physician providers in Washington
There are 34 hematology (internal medicine) physician records in Washington.
Other hematology (internal medicine) physician records in Washington
- Gabriela Ballester, M.D.Spokane Valley, WA1598967374
- Pamela Becker, MD, PHDSeattle, WA1861578668
- Robert Bigler, M.DVancouver, WA1689777583
- Laura Connelly-Smith, MBBCH, DMSeattle, WA1346525979
- Michele Frank, MDKirkland, WA1285680405
- David Garcia, MDSeattle, WA1649286345
- Jordan Gauthier, M.D.Seattle, WA1174920953
- Terry Gernsheimer, MDSeattle, WA1639255441
- Gary Goodman, MDSeattle, WA1255402251
- Paul Hendrie, M.D. PH.D.Seattle, WA1144263948
Common questions
What is Gregory J. Delzoppo, M.D.'s NPI number?
Gregory J. Delzoppo, M.D.'s National Provider Identifier (NPI) is 1790889814, issued on Sep 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory J. Delzoppo, M.D. located?
The NPPES record lists a practice address at 325 9TH Ave, Seattle, WA, 98104. Phone: (206) 744-3241. Providers update this record themselves, so call before visiting.
How can I verify Gregory J. Delzoppo, M.D.'s license?
NPPES lists Washington license number MD00049254, 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 Gregory J. Delzoppo, M.D. prescribe under Medicare Part D?
In 2024, Gregory J. Delzoppo, M.D. had 91 Medicare Part D claims for 12 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
What is Gregory J. Delzoppo, M.D.'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.