Oscar Signori, MD
Hematology & Oncology Physician · Dearborn, MI
Oscar Signori, MD is a hematology & oncology physician with a practice address in Dearborn, Michigan, and NPI 1285601435, issued on Mar 7, 2006. Check the license (Michigan 4301038655, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Oscar Signori
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 4301038655 MI
Self-reported in NPPES; status is on the state search - Practice location
- 18800 Hubbard Dr, Dearborn, MI 48126
- Phone
- (313) 576-9182
- Enumerated
- Mar 7, 2006
- Record last updated
- Jan 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20100806000281); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 340 in Michigan → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Oscar Signori in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301038655Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average hematology & oncology physician in 2024
2,214 Medicare Part D claims for 401 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 42 claims were for opioids.
Most prescribed
- Anastrozole215 claims
- Letrozole175 claims
- Allopurinol120 claims
- Acyclovir107 claims
- Prednisone83 claims
- Hydroxyurea77 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: $1,127.44
43 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US 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
- Barbara Ann Karmanos Cancer InstituteSouthfield, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Oscar Signori among 340 hematology & oncology physician records in Michigan
Oscar Signori, MD is one of 340 hematology & oncology physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1974 · median 2004 among the 206 with a school on file
- Record last updated2025 · 52% 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 Michigan 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 Michigan
There are 340 hematology & oncology physician records in Michigan.
All 340 in Michigan → Every provider in Dearborn → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Hussein Gharib, MDDearborn, MI 481261790305399
- Ruby GuptaDearborn, MI 481261669707402
- Faisal Musa, MDDearborn, MI 481261811138787
- Renu Pandit, M.D.Dearborn, MI 481261558324129
- Mirna Farhat, MDDearborn, MI 481241669703781
- Feroze Momin, MDDearborn, MI 481241396728507
- Stephen Goldfarb, D.O.Garden City, MI 481351497755177
- Jason Brown, MDAnn Arbor, MI 481091669855573
Common questions
What is Oscar Signori, MD's NPI number?
Oscar Signori, MD's National Provider Identifier (NPI) is 1285601435, issued on Mar 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Oscar Signori, MD located?
The NPPES record lists a practice address at 18800 Hubbard Dr, Dearborn, MI, 48126. Phone: (313) 576-9182. Providers update this record themselves, so call before visiting.
How can I verify Oscar Signori, MD's license?
NPPES lists Michigan license number 4301038655, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Oscar Signori, MD prescribe under Medicare Part D?
In 2024, Oscar Signori, MD had 2,214 Medicare Part D claims for 401 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.