NPPES file of Aug 9, 2026

Deepak Chander, M.D.

Hematology & Oncology Physician · South Weymouth, MA

Deepak Chander, M.D. is a hematology & oncology physician with a practice address in South Weymouth, Massachusetts, and NPI 1659666261, issued on Jun 10, 2011. Check the license (Massachusetts 269110, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659666261
Name
Deepak Chander
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
269110 MA
Self-reported in NPPES; status is on the state search
Practice location
101 Columbian St, South Weymouth, MA 02190
Phone
(781) 624-5000
Enumerated
Jun 10, 2011
Record last updated
Mar 31, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(617) 624-4840
Medicare enrollment
Enrolled (PECOS I20250227002281); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 2011
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 101 Columbian St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jennifer Calzarette, PAPhysician Assistant1063145696
  2. Kelly Casey, CNPFamily Nurse Practitioner1720695935
  3. Lyndsay Caulfield, DNP, FNP-BCFamily Nurse Practitioner1053043117
  4. Katherine Cushing, LICSWClinical Social Worker1912484080
  5. Katelyn Dorney, MDObstetrics & Gynecology Physician1972913267
  6. Katie Iadonisi, MSN, A-GNP-C, OCNAdult Health Nurse Practitioner1639808603

Verify Deepak Chander in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 269110
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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57% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

375 Medicare Part D claims for 97 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 55 claims were for opioids.

  1. Deepak Chander375
  2. Specialty average877

Most prescribed

  1. Oxycodone Hcl36 claims
  2. Dexamethasone25 claims
  3. Ondansetron Odt17 claims
  4. Prochlorperazine Maleate17 claims
  5. Creon16 claims
  6. Hydroxyurea16 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.

  1. Qualityout of 100 · 30% of the final score69.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Medstar Medical Group II LLCWashington, DC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Deepak Chander among 461 hematology & oncology physician records in Massachusetts

Deepak Chander, M.D. 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 2011, is newer than 72% of them.

  • NPI issued2011 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2011 · median 2004 among the 303 with a school on file
  • Record last updated2020 · 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.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Meredith Faggen, M.D.S Weymouth, MA 021901215093968
  2. Shail Maingi, MDSouth Weymouth, MA 021901114183795
  3. Anne RobergeWeymouth, MA 021901639115041
  4. Reve Shields, MDSouth Weymouth, MA 021901871719187
  5. Michael Anderson, M.D.Weymouth, MA 021891144201534
  6. James Everett, M.D.Weymouth, MA 021891215911789
  7. Sarah May, M.D.Weymouth, MA 021891801879002
  8. Paul Musto, M.D.Weymouth, MA 021891699758896

Common questions

What is Deepak Chander, M.D.'s NPI number?

Deepak Chander, M.D.'s National Provider Identifier (NPI) is 1659666261, issued on Jun 10, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Deepak Chander, M.D. located?

The NPPES record lists a practice address at 101 Columbian St, South Weymouth, MA, 02190. Phone: (781) 624-5000. Providers update this record themselves, so call before visiting.

How can I verify Deepak Chander, M.D.'s license?

NPPES lists Massachusetts license number 269110, 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 Deepak Chander, M.D. prescribe under Medicare Part D?

In 2024, Deepak Chander, M.D. had 375 Medicare Part D claims for 97 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Deepak Chander, M.D.'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.