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Dr. Muhamed Y. Abubacker, MBBS, MD

Rheumatology (Rheumatology Physician)

At a glance

Years since graduation
13
In the NPI registry since
2018

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

  • 2018Registered with an NPI (national billing number; not a license date)

Medicare’s Care Compare data doesn’t list this clinician’s medical school. 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

  • Rheumatology Physician primary
    WV license 30247
  • Internal Medicine Physician
    WV license 30247

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

Map: Rheumatology 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

Most frequent Medicare services, 2023
ServiceTimesPatients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes5024
Hospital discharge day management, more than 30 minutes3737
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes3518
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes1616

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

Most prescribed drugs, Medicare Part D 2024
DrugPrescriptions
Hydroxychloroquine Sulfate
Other prescribers in Bronx, NY
49
Prednisone
Other prescribers in Bronx, NY
44
Methotrexate (methotrexate sodium)
Other prescribers in Bronx, NY
29
Actemra Actpen (tocilizumab)22
Humira Pen (adalimumab)
Other prescribers in Bronx, NY
13
Cevimeline Hcl13
Taltz Autoinjector (ixekizumab)12
Humira (adalimumab)
Other prescribers in Bronx, NY
11
Benlysta (belimumab)11

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, 10 companies reported 82 payments worth $1,428 in total to this clinician.

By company
AbbVie Inc.$516
Amgen Inc.$410
UCB, Inc.$189
Pfizer Inc.$104
Mallinckrodt Hospital Products Inc.$71.58
AstraZeneca Pharmaceuticals LP$43.96
Celltrion USA Inc.$26.82
Gotham Surgical Solutions & Devices, Inc.$26.00
By type
Food and Beverage$1,428

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 New York →

Other Rheumatology clinicians in Bronx

Sources

NPI registry (CMS NPPES, November 2026; record last updated February 14, 2025), 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 1639675424. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.