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

Drs Mulhauser and Duke, LLP

Organization Internal Medicine Physician · NPI 1902092257

Drs Mulhauser and Duke, LLP is an Internal Medicine Physician in Bethesda, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
What do these letters mean?
LLP — Limited liability partnership
A form of business registration, not a clinical qualification.

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Practice location Address checks out

4550 Montgomery Ave Ste 733 North
Bethesda, MD 20814-3304
Phone: (301) 656-6452
Fax: (301) 907-0238
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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 D42105 (MD)

Record details

NPI number1902092257
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Christopher Duke — Partner · (301) 656-6452
NPI enumeratedSeptember 20, 2007
Last updated in NPPESSeptember 20, 2007
Mailing address4550 Montgomery Ave Ste 733, Bethesda, MD 20814-3304

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