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

Dr. William G. Lang, MD

Individual provider Internal Medicine Physician · NPI 1366455842

Dr. William G. Lang, MD is an Internal Medicine in Marina del Rey, California. Qualified in 1982, 44 years ago. Practices with Cedars-Sinai Medical Care Foundation, a 1,696-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
44
Licensed in
CA
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

4644 Lincoln Blvd Ste 111
Marina del Rey, CA 90292-6374
Phone: (310) 536-8200
Fax: (310) 536-8240
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A41887 (CA)

Record details

NPI number1366455842
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 14, 2006
Last updated in NPPESOctober 3, 2013

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Cedars-Sinai Medical Care Foundation — 1696 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Other providers in Marina del Rey