Joseph Parker, MD

Addiction Medicine · Internal Medicine · Gastroenterology · Pulmonology · Nephrology · Sleep Medicine

20+ years in practiceNPI: 1700947694Licensed in MD

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Credentials & Recognition

Specialties

Addiction MedicineInternal MedicineGastroenterologyPulmonologyNephrologySleep Medicine

NPI sub-specialties

Internal Medicine, Critical Care Medicine207RC0200X

Internal Medicine, Pulmonary Disease207RP1001X

Internal Medicine, Sleep Medicine207RS0012X

Practice Signals

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

Mid-Level (PA/NP) Use

Doctor-led visits

Google Reviews

3.7 / 5.0

20 reviews

Years in Practice

20+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#22

Top Sleep Medicine Doctors in Washington, DC, 2026

Sleep Medicine · District of Columbia · 2026

Frequently Asked Questions about Dr. Joseph Parker, MD

Where does Dr. Joseph Parker, MD practice?+
Dr. Joseph Parker, MD practices in North Carolina, NC. 2 WRAMC DEPARTMENT 6900 GEORGIA AVE NW WASHINGTON, DC 203070001.
What is Dr. Joseph Parker, MD's phone number?+
Dr. Joseph Parker, MD's practice phone is 202-782-6205. Office contact information is verified on the PBCMMG profile.
What does Dr. Joseph Parker, MD specialize in?+
Dr. Joseph Parker, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine, Gastroenterology, Pulmonology.
Is Dr. Joseph Parker, MD board certified?+
Board certification status for Dr. Joseph Parker, MD 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. Joseph Parker, MD been practicing?+
Dr. Joseph Parker, MD has been in active practice for 20+ years, based on NPI enumeration and state licensing records.
What is Dr. Joseph Parker, MD's NPI number?+
Dr. Joseph Parker, MD's National Provider Identifier (NPI) is 1700947694, 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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