Joseph L. Pennacchio, MD
Hematology & Oncology Physician · Stoneham, MA
Joseph L. Pennacchio, MD is a hematology & oncology physician with a practice address in Stoneham, Massachusetts, and NPI 1053387795, issued on Feb 23, 2006. Check the license (Massachusetts 42715, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Joseph L. Pennacchio
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 42715 MA
Self-reported in NPPES; status is on the state search - Practice location
- 41 Montvale Ave, Stoneham, MA 02180
- Phone
- (781) 224-5810
- Enumerated
- Feb 23, 2006
- Record last updated
- Jan 30, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (781) 224-5813
- Medicaid ID
- 0194662 MA
- Medicare enrollment
- Enrolled (PECOS I20040901000112); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1976
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 41 Montvale Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gauri Bhide, MDHematology & Oncology Physician1154420719
- Sudha Bolla, M.D.Internal Medicine Physician1861507915
- Carolyn Fallica, NPAdult Health Nurse Practitioner1447241757
- Meghan JewettGerontology Nurse Practitioner1386051795
- Sandra Kelly, NPAdult Health Nurse Practitioner1669410494
- Xuan Luu, MDSurgical Oncology Physician1902053788
Verify Joseph L. Pennacchio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 42715Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
291 Medicare Part D claims for 96 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 14 claims were for opioids.
Most prescribed
- Anastrozole41 claims
- Eliquis21 claims
- Tamoxifen Citrate17 claims
- Amlodipine Besylate13 claims
- Combivent Respimat11 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: $219.31
7 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, 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
- Pratt Medical Group IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hematology & Oncology Physician providers in Massachusetts
There are 461 hematology & oncology physician records in Massachusetts.
Other hematology & oncology physician records in Massachusetts
- Gregory Abel, MDBoston, MA1285611954
- Rachel Abelman, MDBoston, MA1255821617
- Karim Abou-Nassar, MDBoston, MA1366770745
- Inas Abuali, M.D.Boston, MA1952659971
- Jose Acevedo Mejia, M.D.Boston, MA1801277173
- Maureen Achebe, MD, MPHBoston, MA1407955172
- Archana Agarwal, MDSpringfield, MA1548592165
- Rasmia Ahmed, MDFramingham, MA1568409936
- Hanny Al-Samkari, MDBoston, MA1669765988
- Tasneem Ali, M.D.Worcester, MA1629036553
Common questions
What is Joseph L. Pennacchio, MD's NPI number?
Joseph L. Pennacchio, MD's National Provider Identifier (NPI) is 1053387795, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph L. Pennacchio, MD located?
The NPPES record lists a practice address at 41 Montvale Ave, Stoneham, MA, 02180. Phone: (781) 224-5810. Providers update this record themselves, so call before visiting.
How can I verify Joseph L. Pennacchio, MD's license?
NPPES lists Massachusetts license number 42715, 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 Joseph L. Pennacchio, MD prescribe under Medicare Part D?
In 2024, Joseph L. Pennacchio, MD had 291 Medicare Part D claims for 96 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.