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

Drs Langevin, Larsen, Hamm & Cohen PC

Organization Critical Care Medicine (Internal Medicine) Physician · NPI 1922153113

Drs Langevin, Larsen, Hamm & Cohen PC is a Critical Care Medicine (Internal Medicine) Physician in Chevy Chase, Maryland. Licensed in Maryland. Registered with an NPI since 2007.

Licensed in
MD
In the registry since
2007
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

5530 Wisconsin Ave Ste 930
Chevy Chase, MD 20815-4404
Phone: (301) 656-7374
Fax: (301) 656-1019
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X (MD)

Record details

NPI number1922153113
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ylene Larsen — President · (301) 656-7374
Other names Chevy Chase Pulmonary Associates
NPI enumeratedJanuary 25, 2007
Last updated in NPPESAugust 22, 2020
Mailing addressPo Box 71069, Bethesda, MD 20813-1069

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