NPPES file of Aug 9, 2026

Nirmal Pathak, M.D.

Hematology & Oncology Physician · Fairhaven, MA

Nirmal Pathak, M.D. is a hematology & oncology physician with a practice address in Fairhaven, Massachusetts, and NPI 1639602311, issued on Apr 10, 2017. Check the license (Massachusetts 1013054, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639602311
Name
Nirmal Pathak
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
1013054 MA
Self-reported in NPPES; status is on the state search
Practice location
206 Mill RD, Fairhaven, MA 02719
Phone
(508) 973-3000
Enumerated
Apr 10, 2017
Record last updated
Jun 14, 2024
Fax
(508) 973-3025
Medicare enrollment
Enrolled (PECOS I20230331001749); accepts Medicare assignment
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 206 Mill RD

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

  1. Elizabeth Blanchard, MDHematology & Oncology Physician1134198989
  2. Katherine CarpenterNurse Practitioner1356297121
  3. Jennifer Ducie, M.D.Gynecologic Oncology Physician1437326105
  4. Dianne Feeney, NPNurse Practitioner1013943323
  5. Rachel FinneyNurse Practitioner1477205011
  6. Patrick Gagnon, MDRadiation Oncology Physician1588869366

Verify Nirmal Pathak 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 1013054
    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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4% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

844 Medicare Part D claims for 161 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims. 91 claims were for opioids.

  1. Nirmal Pathak844
  2. Specialty average877

Most prescribed

  1. Oxycodone Hcl76 claims
  2. Ondansetron Hcl54 claims
  3. Dexamethasone53 claims
  4. Prochlorperazine Maleate51 claims
  5. Eliquis45 claims
  6. Mirtazapine33 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: $1,873.91

8 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.

  1. Nirmal Pathak$1,873.91
  2. Specialty average$7,481.41

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

  1. Southcoast Physicians Group IncNew Bedford, MA

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

Nirmal Pathak among 461 hematology & oncology physician records in Massachusetts

Nirmal Pathak, 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 2017, is newer than 91% of them.

  • NPI issued2017 · 91% of these records are older, 8% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2023 · median 2004 among the 303 with a school on file
  • Record last updated2024 · 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).

6 hematology & oncology physician records list a practice address in Fairhaven

They are 6 of the 261 NPPES records with a practice address in Fairhaven, and 461 hematology & oncology physician records in Massachusetts.

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

  1. Elizabeth Blanchard, MDFairhaven, MA 027191134198989
  2. Susan Kim, MDFairhaven, MA 027191891985990
  3. Harry Matelski, MDFairhaven, MA 027191699737874
  4. Edress Othman, MDFairhaven, MA 027191508916792
  5. Sophia Rizk, M.D.Fairhaven, MA 027191609004969
  6. Therese Mulvey, M.D.Fall River, MA 027201982687182
  7. Ruwan Parakrama, MDFall River, MA 027201578190120
  8. Sonia Seng, MDFall River, MA 027201366629719

Common questions

What is Nirmal Pathak, M.D.'s NPI number?

Nirmal Pathak, M.D.'s National Provider Identifier (NPI) is 1639602311, issued on Apr 10, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Nirmal Pathak, M.D. located?

The NPPES record lists a practice address at 206 Mill RD, Fairhaven, MA, 02719. Phone: (508) 973-3000. Providers update this record themselves, so call before visiting.

How can I verify Nirmal Pathak, M.D.'s license?

NPPES lists Massachusetts license number 1013054, 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 Nirmal Pathak, M.D. prescribe under Medicare Part D?

In 2024, Nirmal Pathak, M.D. had 844 Medicare Part D claims for 161 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.