Jeffrey Barnes, M.D., PH.D
NPI 1326238411 · Hematology & Oncology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Barnes, M.D., PH.D is a Hematology & Oncology Physician provider in Boston, MA (NPI 1326238411).
Provider details
- NPI number
- 1326238411
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D
- Sex
- Male
- Sole proprietor
- No
- License
- 233635 (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
18 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
1,459 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 467 | $151 |
| 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 | 321 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 313 | $102 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 119 | $194 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 94 | $124 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 69 | 26 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 68 | 21 |
| Ondansetron Hcl | 37 | 25 |
| Acyclovir | 35 | 18 |
| Zanubrutinibbrand: Brukinsa | 27 | — |
| Venetoclaxbrand: Venclexta | 23 | — |
| Prochlorperazine Maleate | 21 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33 across 1 record (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
- 2007-07-26
- Last updated
- 2007-10-04
Frequently asked questions
- What is Jeffrey Barnes's NPI number?
- Jeffrey Barnes's National Provider Identifier (NPI) is 1326238411, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Barnes's specialty?
- Jeffrey Barnes is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Barnes located?
- Jeffrey Barnes's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Jeffrey Barnes's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Barnes is (617) 724-4000.
- Does Jeffrey Barnes accept Medicare?
- Jeffrey Barnes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Barnes's NPI active?
- Yes — Jeffrey Barnes's NPI (1326238411) is active in the NPPES registry as of the last update on 2007-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.