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

Dr. Dale H Isaacson, MD

Individual provider Dermatology Physician · NPI 1245206564

Dr. Dale H Isaacson, MD is a Dermatology in Washington, District of Columbia. Graduated from George Washington University School of Medicine in 1977, 49 years ago. Practices with Drs Isaacson and Berzin LLC, a 3-clinician group and accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
49
Trained at
George Washington University School of Medicine
Licensed in
DC
In the registry since
2006
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

1828 L St NW
Washington, DC 20036-5104
Phone: (202) 822-9591
Fax: (202) 775-1857
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence MD11222 (DC)

Record details

NPI number1245206564
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 27, 2006
Last updated in NPPESFebruary 19, 2025
Certification dateFebruary 19, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDERMATOLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Group practice Drs Isaacson And Berzin Llc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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