Nirmal Pathak, M.D.
NPI 1639602311 · Hematology & Oncology Physician · Fairhaven, MA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nirmal Pathak, M.D. is a Hematology & Oncology Physician provider in Fairhaven, MA (NPI 1639602311).
Provider details
- NPI number
- 1639602311
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1013054 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,590 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 324 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 268 | $143 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 247 | $96 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 176 | $16 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 76 | 31 |
| Ondansetron Hcl | 54 | 45 |
| Dexamethasone | 53 | 34 |
| Prochlorperazine Maleate | 51 | 40 |
| Apixabanbrand: Eliquis | 45 | — |
| Mirtazapine | 33 | 16 |
| Acyclovir | 30 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,874 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-10
- Last updated
- 2024-06-14
- Certified
- 2024-06-14
Frequently asked questions
- What is Nirmal Pathak's NPI number?
- Nirmal Pathak's National Provider Identifier (NPI) is 1639602311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nirmal Pathak's specialty?
- Nirmal Pathak is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Nirmal Pathak located?
- Nirmal Pathak's practice location on file with NPPES is 206 Mill Rd, Fairhaven, MA 02719-5208.
- What is Nirmal Pathak's phone number?
- The practice phone number listed in the NPPES registry for Nirmal Pathak is (508) 973-3000.
- Does Nirmal Pathak accept Medicare?
- Nirmal Pathak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nirmal Pathak's NPI active?
- Yes — Nirmal Pathak's NPI (1639602311) is active in the NPPES registry as of the last update on 2024-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.