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

Steven J Lake, MD

Individual provider Internal Medicine Physician · NPI 1669494001

Steven J Lake, MD is an Internal Medicine in Long Beach, California. Qualified in 1977, 49 years ago. Practices with Prohealth Partners, a Medical Group, a 234-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
49
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

911 E San Antonio Dr Ste 6
Long Beach, CA 90807-2204
Phone: (562) 423-6441
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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 A34049 (CA)

Record details

NPI number1669494001
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 24, 2006
Last updated in NPPESFebruary 19, 2014
Mailing address911 E San Antonio Dr, Suite 6, Long Beach, CA 90807-2204

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1977 (49 years in practice)
Group practice Prohealth Partners, A Medical Group — 234 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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