Eric C. Santos, M.D.
Hematology & Oncology Physician · Grand Rapids, MI
Eric C. Santos, M.D. is a hematology & oncology physician with a practice address in Grand Rapids, Michigan, and NPI 1174700256, issued on Jan 30, 2008. Check the license (Michigan 4301100032, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Eric C. Santos
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 4301100032 MI
Self-reported in NPPES; status is on the state search - Practice location
- 145 Michigan St NE, Grand Rapids, MI 49503
- Phone
- (616) 954-9800
- Enumerated
- Jan 30, 2008
- Record last updated
- Mar 17, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (616) 954-2116
- Medicare enrollment
- Enrolled (PECOS I20120327000845); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 340 in Michigan → Look up another NPI →
Also registered at 145 Michigan St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Syed Muneer Abidi, MDHematology (Internal Medicine) Physician1922045525
- Amy Amash, M.S., C.G.C.Genetic Counselor (M.S.)1629001268
- Murwarid Assifi, MDSurgical Oncology Physician1548416563
- Lisa Berger, P.A.Physician Assistant1497729172
- Jamie Bray, PA-CMedical Physician Assistant1609964691
- Kristin Brown, CNSOncology Registered Nurse1033923149
Verify Eric C. Santos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301100032Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average hematology & oncology physician in 2024
875 Medicare Part D claims for 198 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims. 20 claims were for opioids.
Most prescribed
- Prochlorperazine Maleate112 claims
- Tagrisso79 claims
- Folic Acid59 claims
- Olanzapine55 claims
- Xarelto46 claims
- Dexamethasone38 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): 97.8 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: $230.39
11 payments; by number, the most common kind was food and beverage; the largest payer was Array Biopharma 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
- Cancer And Hematology Centers OF Western MI, P.C.Grand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric C. Santos among 340 hematology & oncology physician records in Michigan
Eric C. Santos, M.D. 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 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1993 · median 2004 among the 206 with a school on file
- Record last updated2020 · 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 Grand Rapids → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mohammad Alhyari, MDGrand Rapids, MI 495031346554912
- Brett Brinker, MDGrand Rapids, MI 495031750347290
- Sreenivasa Chandana, MDGrand Rapids, MI 495031972705838
- Stephanie Dublis, D.O.Grand Rapids, MI 495031346443769
- Thomas Gribbin, M.D.Grand Rapids, MI 495031639179286
- Colin Hardin, M.D.Grand Rapids, MI 495031639459860
- Daniel Isaac, D.O.Grand Rapids, MI 495031326486416
- Timothy O'Rourke, M.D.Grand Rapids, MI 495031215938303
Common questions
What is Eric C. Santos, M.D.'s NPI number?
Eric C. Santos, M.D.'s National Provider Identifier (NPI) is 1174700256, issued on Jan 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Eric C. Santos, M.D. located?
The NPPES record lists a practice address at 145 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 954-9800. Providers update this record themselves, so call before visiting.
How can I verify Eric C. Santos, M.D.'s license?
NPPES lists Michigan license number 4301100032, 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 Eric C. Santos, M.D. prescribe under Medicare Part D?
In 2024, Eric C. Santos, M.D. had 875 Medicare Part D claims for 198 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Eric C. Santos, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.8 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.