Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark Hilmy, MD

Individual provider Internal Medicine Physician · NPI 1427584572

Mark Hilmy, MD is an Internal Medicine in Yonkers, New York. Qualified in 2016, 10 years ago. Practices with South Sound Inpatient Physicians PLLC, a 427-clinician group and accepts Medicare assignment. Licensed in Washington.

Years since qualifying
10
Licensed in
WA
In the registry since
2017
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

967 N Broadway
Yonkers, NY 10701-1301
Phone: (914) 964-4444
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 61111834 (WA)

Record details

NPI number1427584572
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 11, 2017
Last updated in NPPESSeptember 28, 2022
Certification dateSeptember 28, 2022
Mailing address222 W 139th St Apt 2, New York, NY 10030-2109

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice South Sound Inpatient Physicians Pllc — 427 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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