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Dr. Hammam H. Shereef, MD

Internal Medicine (Internal Medicine Physician)

2900 W Oklahoma Ave
Milwaukee, WI 53215

Who else practices at this address →

Milwaukee County includes primary care (32% of residents) and mental health (34% of residents) shortage areas. About shortage areas

Call (414) 649-6000

  • Medicare participating

At a glance

Years since graduation
14
In the NPI registry since
2018
Medicare patients seen, 2024
27

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

  • Internal Medicine Physician primary
    WI license 75441 · MI license 4351027563

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
27
Services billed
36
Patients’ average age
75
Most frequent Medicare services, 2023
ServiceTimesPatients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes2016
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes1312

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, 5 companies reported 129 payments worth $23,959 in total to this clinician.

By type
Travel and Lodging$9,051
Grant$7,833
Food and Beverage$6,726
Education$349

What the payments were for

Largest payments other than meals
DateCompanyWhat it was forAmount
Aug 21, 2025Medtronic, Inc.
Aug 21, 2025
Grant$3,333
Jul 28, 2025Abbott Laboratories
Jul 28, 2025
Grant
ASSURITY · Structural Heart
$2,625
Jul 28, 2025Abbott Laboratories
Jul 28, 2025
Grant
TACTICATH · Structural Heart
$1,875
Nov 19, 2025Biotronik Inc.
Nov 19, 2025
Travel and Lodging
travel to Nashville, TN · in-kind
$734
Mar 26, 2025Biosense Webster, Inc.
Mar 26, 2025
Travel and Lodging
CARTO 3 · Cardiology · travel to Palm Beach Gardens, FL · in-kind
$662
Sep 22, 2025Biotronik Inc.
Sep 22, 2025
Travel and Lodging
travel to Nashville, TN · in-kind
Company’s descriptionACH DEBIT
$563
Oct 7, 2025Biosense Webster, Inc.
Oct 7, 2025
Travel and Lodging
CARTO 3 · Cardiology · travel to Phoenix, AZ · in-kind
$547
Dec 11, 2025Biosense Webster, Inc.
Dec 11, 2025
Travel and Lodging
CARTO 3 · Cardiology · travel to Tempe, AZ · in-kind
$523
Mar 21, 2025Boston Scientific Corporation
Mar 21, 2025
Travel and Lodging
General - EP · General - EP_EP · travel to Washington DC, DC · in-kind
$428
Mar 22, 2025Boston Scientific Corporation
Mar 22, 2025
Travel and Lodging
General - EP · General - EP_EP · travel to Washington DC, DC · in-kind
$428
All 36 payments other than meals, newest first
All payments other than meals
DateCompanyWhat it was forAmount
Dec 15, 2025Biosense Webster, Inc.
Dec 15, 2025
Travel and Lodging
CARTO 3 · Cardiology · travel to Tempe, AZ · in-kind
$161
Dec 11, 2025Biosense Webster, Inc.
Dec 11, 2025
Travel and Lodging
CARTO 3 · Cardiology · travel to Tempe, AZ · in-kind
$523
Dec 1, 2025Medtronic, Inc.
Dec 1, 2025
Education
in-kind
$161
Nov 19, 2025Biotronik Inc.
Nov 19, 2025
Travel and Lodging
travel to Nashville, TN · in-kind
$734
Nov 5, 2025Biotronik Inc.
Nov 5, 2025
Travel and Lodging
travel to Nashville, TN
Company’s description50009885
$93.44
Oct 7, 2025Biosense Webster, Inc.
Oct 7, 2025
Travel and Lodging
CARTO 3 · Cardiology · travel to Phoenix, AZ · in-kind
$547
Oct 5, 2025Boston Scientific Corporation
Oct 5, 2025
Travel and Lodging
FARAPULSE · FARAPULSE_RM · travel to Phoenix, AZ · in-kind
$333
Oct 4, 2025Boston Scientific Corporation
Oct 4, 2025
Travel and Lodging
FARAPULSE · FARAPULSE_RM · travel to Phoenix, AZ · in-kind
$377
Oct 3, 2025Boston Scientific Corporation
Oct 3, 2025
Travel and Lodging
FARAPULSE · FARAPULSE_RM · travel to Phoenix, AZ · in-kind
$377
Oct 2, 2025Boston Scientific Corporation
Oct 2, 2025
Travel and Lodging
FARAPULSE · FARAPULSE_RM · travel to Phoenix, AZ · in-kind
$377
Oct 2, 2025Boston Scientific Corporation
Oct 2, 2025
Travel and Lodging
FARAPULSE · FARAPULSE_RM · travel to Phoenix, AZ · in-kind
$307
Sep 26, 2025Biotronik Inc.
Sep 26, 2025
Travel and Lodging
travel to Milton, MA · in-kind
$14.69
Sep 22, 2025Biotronik Inc.
Sep 22, 2025
Travel and Lodging
travel to Nashville, TN · in-kind
Company’s descriptionACH DEBIT
$563
Sep 8, 2025Biotronik Inc.
Sep 8, 2025
Travel and Lodging
travel to Yonkers, NY · in-kind
$12.97
Sep 4, 2025Boston Scientific Corporation
Sep 4, 2025
Travel and Lodging
General - Therapies · General - Therapies_EP · travel to Washington DC, WA
$68.32
Aug 27, 2025Biotronik Inc.
Aug 27, 2025
Travel and Lodging
travel to Newark, NJ · in-kind
Company’s descriptionACH DEBIT
$249
Aug 27, 2025Biotronik Inc.
Aug 27, 2025
Travel and Lodging
travel to Milwaukee, WA · in-kind
Company’s descriptionACH DEBIT
$229
Aug 23, 2025Abbott Laboratories
Aug 23, 2025
Travel and Lodging
ENSITE · Structural Heart · travel to Chicago, IL · in-kind
$349
Aug 22, 2025Abbott Laboratories
Aug 22, 2025
Travel and Lodging
ENSITE · Structural Heart · travel to Chicago, IL · in-kind
$349
Aug 22, 2025Abbott Laboratories
Aug 22, 2025
Travel and Lodging
ENSITE · Structural Heart · travel to Chicago, IL · in-kind
$9.02
Aug 21, 2025Medtronic, Inc.
Aug 21, 2025
Grant$3,333
Aug 21, 2025Abbott Laboratories
Aug 21, 2025
Travel and Lodging
ENSITE · Structural Heart · travel to Chicago, IL · in-kind
$170
Aug 1, 2025Biotronik Inc.
Aug 1, 2025
Travel and Lodging
travel to New York, NY · in-kind
$266
Jul 28, 2025Abbott Laboratories
Jul 28, 2025
Grant
ASSURITY · Structural Heart
$2,625
Jul 28, 2025Abbott Laboratories
Jul 28, 2025
Grant
TACTICATH · Structural Heart
$1,875
Jun 17, 2025Biotronik Inc.
Jun 17, 2025
Travel and Lodging
travel to New York, NY · in-kind
$266
May 22, 2025Medtronic, Inc.
May 22, 2025
Travel and Lodging
EVERA MRI XT DR SURESCAN · Implantable Cardioverter Defibrillators (ICDs) · travel to Minneapolis, MN · in-kind
$1.93
Apr 23, 2025Medtronic, Inc.
Apr 23, 2025
Travel and Lodging
travel to San Diego, CA · in-kind
$348
Apr 7, 2025Biotronik Inc.
Apr 7, 2025
Education
in-kind
$188
Mar 26, 2025Biosense Webster, Inc.
Mar 26, 2025
Travel and Lodging
CARTO 3 · Cardiology · travel to Palm Beach Gardens, FL · in-kind
$662
Mar 23, 2025Boston Scientific Corporation
Mar 23, 2025
Travel and Lodging
General - EP · General - EP_EP · travel to Washington DC, DC · in-kind
$170
Mar 22, 2025Boston Scientific Corporation
Mar 22, 2025
Travel and Lodging
General - EP · General - EP_EP · travel to Washington DC, DC · in-kind
$428
Mar 21, 2025Boston Scientific Corporation
Mar 21, 2025
Travel and Lodging
General - EP · General - EP_EP · travel to Washington DC, DC · in-kind
$428
Mar 21, 2025Boston Scientific Corporation
Mar 21, 2025
Travel and Lodging
General - EP · General - EP_EP · travel to Washington DC, DC · in-kind
$267
Jan 17, 2025Biosense Webster, Inc.
Jan 17, 2025
Travel and Lodging
CARTO 3 · Cardiology · travel to Arlington, VA · in-kind
$199
Jan 17, 2025Biosense Webster, Inc.
Jan 17, 2025
Travel and Lodging
CARTO 3 · Cardiology · travel to Arlington, VA · in-kind
$170

Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.

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 Wisconsin →

Other Internal Medicine clinicians in Milwaukee

Sources

NPI registry (CMS NPPES, November 2026; record last updated April 19, 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 1982184156. Official NPI registry record (opens in a new tab). Clinicians can correct their information in NPPES; changes appear here after our next monthly update.