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Dr. Raphael H. Karkowsky, MD

Internal Medicine (Internal Medicine Physician)

  • Medicare participating

At a glance

Years since graduation
14
In the NPI registry since
2012
Medicare patients seen, 2024
289

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

  • 2012Medical school: George Washington University School of Medicine
  • 2012Registered 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

  • Internal Medicine Physician primary
    PA license MD454446

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

Map: Internal Medicine 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
289
Services billed
1,654
Patients’ average age
74
Most frequent Medicare services, 2023
ServiceTimesPatients
Established patient office or other outpatient visit, 30-39 minutes487258
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit188188
Established patient office or other outpatient visit, 40-54 minutes12989
Hemoglobin a1c level8151
Administration of influenza virus vaccine8179
Influenza vaccine split virus, preservative free7069
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report4343
Established patient office or other outpatient visit, 20-29 minutes4340
Administration of pneumococcal vaccine2424
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use2222

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, 1 companies reported 1 payments worth $24.98 in total to this clinician.

By type
Food and Beverage$24.98

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 Pennsylvania →

Other Internal Medicine clinicians in Philadelphia

Sources

NPI registry (CMS NPPES, November 2026; record last updated May 26, 2015), 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 1194082164. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.