Catherine Iasiello, MD
Hematology & Oncology Physician · Newburyport, MA
Catherine Iasiello, MD is a hematology & oncology physician with a practice address in Newburyport, Massachusetts, and NPI 1659464121, issued on Oct 2, 2006. Check the license (Massachusetts 245439, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Catherine Iasiello
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 245439 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Wallace Bashaw Way, Newburyport, MA 01950
- Phone
- (978) 465-0298
- Enumerated
- Oct 2, 2006
- Record last updated
- Jan 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (978) 462-2748
- Medicare enrollment
- Enrolled (PECOS I20101014000906); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 461 in Massachusetts → Look up another NPI →
Also registered at 1 Wallace Bashaw Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kay Ficht, M.D.Internal Medicine Physician1407964893
- Paul Freedberg, MDUrology Physician1801825351
- Lydia Jeffcoat, MDInternal Medicine Physician1699874495
- Paul Larson, NPFamily Nurse Practitioner1376656421
- Melissa Maloney, N.P.Adult Health Nurse Practitioner1700035656
- Emily Troutman, AU.D.Audiologist1255707816
Verify Catherine Iasiello in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 245439Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
272 Medicare Part D claims for 99 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Anastrozole65 claims
- Prochlorperazine Maleate21 claims
- Ondansetron Odt18 claims
- Letrozole15 claims
- Lidocaine-Prilocaine11 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 practice group's MIPS final score for 2023 (Medicare payment program): 86.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Dana-Farber Cancer Institute, Inc.Boston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Iasiello among 461 hematology & oncology physician records in Massachusetts
Catherine Iasiello, MD is one of 461 hematology & oncology physician records with a practice address in Massachusetts. 75% 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, 50% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2004 · median 2004 among the 303 with a school on file
- Record last updated2014 · 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 Massachusetts 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 Massachusetts
There are 461 hematology & oncology physician records in Massachusetts.
All 461 in Massachusetts → Every provider in Newburyport → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Karl D'Silva, M.D.Peabody, MA 019601598711160
- Stephen Alpert, MDSalem, MA 019701922054675
- Michelle Lee, M.D.Danvers, MA 019231134652126
- Peter Yang, M.D.Danvers, MA 019231881846483
- Angus McIntyre, M.D.Beverly, MA 019151891880134
- Stefan Balan, M.D.Winchester, MA 018901962504936
- Stephanie Bernstein, MDWinchester, MA 018901396814265
- Barbara Bjornson, MDWinchester, MA 018901982715850
Common questions
What is Catherine Iasiello, MD's NPI number?
Catherine Iasiello, MD's National Provider Identifier (NPI) is 1659464121, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Iasiello, MD located?
The NPPES record lists a practice address at 1 Wallace Bashaw Way, Newburyport, MA, 01950. Phone: (978) 465-0298. Providers update this record themselves, so call before visiting.
How can I verify Catherine Iasiello, MD's license?
NPPES lists Massachusetts license number 245439, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Catherine Iasiello, MD prescribe under Medicare Part D?
In 2024, Catherine Iasiello, MD had 272 Medicare Part D claims for 99 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Catherine Iasiello, MD's MIPS final score?
The 2023 MIPS final score is 86.3 of 100, reported for the practice group. 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.