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

Mark Lin, MD

Individual provider Clinical Neurophysiology Physician · NPI 1104876713

Mark Lin, MD practises Neurology in Washington, District of Columbia. Qualified in 1984, 42 years ago. Practices with Mgmc LLC, a 318-clinician group and accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
42
Licensed in
DC
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

110 Irving St NW #2A38
Washington, DC 20010-2976 Not confirmed with CMS for 16 years — call before visiting
Phone: (202) 877-0333
Fax: (202) 877-7318
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Neurophysiology Physician (primary) Taxonomy 2084N0600X · Licence MD33569 (DC)

Record details

NPI number1104876713
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 12, 2006
Last updated in NPPESJanuary 20, 2010

Medicare enrollment

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

Medicare specialtyNEUROLOGY
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Group practice Mgmc Llc — 318 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 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 patients500
Services billed 930 a service is one billed item, such as a visit, a test or a procedure
Average patient age72

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.

Also affiliated with 1 inpatient rehabilitation facility, which CMS identifies by certification number only.

Colleagues at Mgmc LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 318 clinicians in the practice; 12 are shown here.

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