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

Steven Shmuel Lock, MD

Individual provider Hospitalist Physician · NPI 1629409644

Steven Shmuel Lock, MD is an Internal Medicine in Brooklyn, New York. Qualified in 2010, 16 years ago. Practices with Quantum Healthcare Medical Associates Inc, a 109-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois, Nevada, New York and Wyoming.

Years since qualifying
16
Licensed in
IL, NV, NY, WY
In the registry since
2013
Specialties on file
5
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

1801 Avenue J
Brooklyn, NY 11230
Phone: (786) 348-8107
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4500 Memorial Dr, Belleville, IL 62226-5360 — (618) 257-6220

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 16350 (NV)
Hospitalist Physician Taxonomy 208M00000X · Licence 031635011 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 276231 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 17999C (WY)
Hospitalist Physician Taxonomy 208M00000X · Licence 276231 (NY)

Record details

NPI number1629409644
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 1, 2013
Last updated in NPPESSeptember 19, 2025
Certification dateSeptember 19, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Quantum Healthcare Medical Associates Inc — 109 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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