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

Leon Kao, MD

Individual provider Allergy Physician · NPI 1265639728

Leon Kao, MD is an Allergy/Immunology in Germantown, Maryland. Qualified in 2001, 25 years ago. Practices with Privia Medical Group, LLC, a 1,518-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
25
Licensed in
MD
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

19851 Observation Dr Ste 375
Germantown, MD 20876-4151
Phone: (301) 972-3709
Fax: (301) 515-3612
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Allergy Physician (primary) Taxonomy 207KA0200X · Licence D0074337 (MD)

Record details

NPI number1265639728
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 28, 2007
Last updated in NPPESSeptember 5, 2022
Certification dateSeptember 5, 2022
Mailing address19851 Observation Dr Ste 375, Germantown, MD 20876-4151

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Privia Medical Group, Llc — 1518 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare