Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Leonard Muller, MD

Individual provider Internal Medicine Physician · NPI 1659349553

Dr. Leonard Muller, MD practises Internal Medicine in Broolkyn, New York. Qualified in 1973, 53 years ago. Practices with US Mobile Medical Care PLLC, a 3-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
53
Licensed in
NY
In the registry since
2006
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

8801 Ft Hamilton Pkwy
Broolkyn, NY 11209 Not confirmed with CMS for 13 years — call before visiting
Phone: (718) 680-2959
Fax: (718) 748-4419
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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 152108 (NY)

Record details

NPI number1659349553
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 8, 2006
Last updated in NPPESNovember 21, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1973 (53 years in practice)
Group practice Us Mobile Medical Care Pllc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients251
Services billed 2,477 a service is one billed item, such as a visit, a test or a procedure
Average patient age83

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at US Mobile Medical Care PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.