Kellen Mulhern, DO

Addiction Medicine · Internal Medicine · Pulmonology · Sleep Medicine

10+ years in practiceNPI: 1043668437Licensed in MDLicensed in DC

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Credentials & Recognition

Specialties

Addiction MedicineInternal MedicinePulmonologySleep Medicine

NPI sub-specialties

Internal Medicine207R00000X

Internal Medicine, Pulmonary Disease207RP1001X

Internal Medicine, Sleep Medicine207RS0012X

Internal Medicine, Critical Care Medicine207RC0200X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

10+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#24

Top Sleep Medicine Doctors in Washington, DC, 2026

Sleep Medicine · District of Columbia · 2026

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Frequently Asked Questions about Dr. Kellen Mulhern, DO

Where does Dr. Kellen Mulhern, DO practice?+
Dr. Kellen Mulhern, DO practices in Maryland, MD. 5255 LOUGHBORO RD NW WASHINGTON, DC 200162633.
What is Dr. Kellen Mulhern, DO's phone number?+
Dr. Kellen Mulhern, DO's practice phone is 202-537-4342. Office contact information is verified on the PBCMMG profile.
What does Dr. Kellen Mulhern, DO specialize in?+
Dr. Kellen Mulhern, DO's primary specialty is Addiction Medicine, with additional focus on Internal Medicine, Pulmonology, Sleep Medicine.
Is Dr. Kellen Mulhern, DO board certified?+
Board certification status for Dr. Kellen Mulhern, DO has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Kellen Mulhern, DO been practicing?+
Dr. Kellen Mulhern, DO has been in active practice for 10+ years, based on NPI enumeration and state licensing records.
What is Dr. Kellen Mulhern, DO's NPI number?+
Dr. Kellen Mulhern, DO's National Provider Identifier (NPI) is 1043668437, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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