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Dr. Christopher Canfield, DO

Nephrology (Kidney) (Nephrology Physician)

  • Medicare participating

At a glance

Years since graduation
8
In the NPI registry since
2018
Medicare patients seen, 2024
237

The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. What an NPI is

Education and training

  • 2018Medical school: Philadelphia College of Osteopathic Medicine
  • 2018Registered with an NPI (national billing number; not a license date)

Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).

Specialties and state licenses

  • Nephrology Physician primary
    PA license OS022674

As reported to the NPI registry. To confirm a license is current, check the state medical board.

Map: Nephrology (Kidney) per capita by county →

Where they work

Hospitals

Medical groups

Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.

Medicare patients and services

Medicare patients, 2024
237
Services billed
731
Patients’ average age
69
Most frequent Medicare services, 2023
ServiceTimesPatients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes8744
Dialysis services, 4 or more physician visits per month (20 years or older)5531
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes1411

Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.

Medicare prescriptions

Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.

Payments from drug and device companies

In 2025, 20 companies reported 50 payments worth $1,380 in total to this clinician.

By company
Novo Nordisk Inc$226
Novartis Pharmaceuticals Corporation$209
Ardelyx, Inc.$185
Akebia Therapeutics Inc$87.15
Bayer HealthCare Pharmaceuticals Inc.$81.67
Amgen Inc.$80.53
Calliditas Therapeutics US Inc.$68.57
Otsuka America Pharmaceutical, Inc.$62.62
By type
Food and Beverage$1,380

From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.

Who received the most in Delaware →

Other Nephrology (Kidney) clinicians in Newark

Sources

NPI registry (CMS NPPES, November 2026; record last updated November 14, 2023), Medicare Care Compare, Medicare Physician & Other Practitioners (2024), Medicare Part D Prescribers (2024) and Open Payments (2025). Information is self-reported or billed data and may be out of date; call before visiting.

NPI 1457855652. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.