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

Leonard J Adelson, MD

Individual provider Pulmonary Disease Physician · NPI 1235152455

Leonard J Adelson, MD is a Pulmonary Disease in Sherman Oaks, California. Graduated from Jefferson Medical College of Thomas Jefferson University in 1977, 49 years ago. Practices with Mid-Valley Pulmonary Medical Group, Inc, a 10-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
49
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
CA
In the registry since
2006
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

4955 Van Nuys Blvd #502
Sherman Oaks, CA 91403
Phone: (818) 325-0200
Fax: (808) 325-0210
Show map & directions

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

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence G36798 (CA)

Record details

NPI number1235152455
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 26, 2006
Last updated in NPPESNovember 2, 2007
Mailing address4955 Van Nuys Blvd, 502, Sherman Oaks, CA 91403

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 1977 (49 years in practice)
Group practice Mid-Valley Pulmonary Medical Group, Inc. — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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