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

Michael Harris Arenstein, MD

Individual provider Otolaryngology Physician · NPI 1922091792

Michael Harris Arenstein, MD is an Otolaryngology Physician in Gaithersburg, Maryland. Licensed in Maryland. Registered with an NPI since 2005.

Licensed in
MD
In the registry since
2005
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

818 W Diamond Ave Ste 120
Gaithersburg, MD 20878-1417
Phone: (301) 963-6334
Fax: (301) 869-7204
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence D0044852 (MD)

Record details

NPI number1922091792
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 26, 2005
Last updated in NPPESMarch 24, 2017
Mailing address818 W Diamond Ave, Ste. 120, Gaithersburg, MD 20878-1417

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