Lenna MartyakM.D.
Gastroenterology·Santa Monica, CA
Lenna Martyak, M.D. is a Gastroenterology provider in Santa Monica, CA, as of July 2026.
- NPI1164638177
- Registered2007
- Class of2002
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Lenna Martyak at a glance
- Provider
- Lenna Martyak
- Credential
- M.D.
- Specialty
- Gastroenterology
- Procedures
- Gastroenterology CPT codes
- Location
- Santa Monica, CA
- Medical school
- Georgetown University School of Medicine
- Graduated
- 2002
- NPI registered
- 2007
- NPI
- 1164638177
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Lenna Martyak practice?
Lenna Martyak, M.D. is based in Santa Monica, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Lenna Martyak's NPI number?
Lenna Martyak's National Provider Identifier (NPI) is 1164638177, registered in 2007. Specialty on record: Gastroenterology; credential M.D.
Where did Lenna Martyak go to medical school?
Lenna Martyak, M.D. attended Georgetown University School of Medicine, graduating in 2002.
How many Gastroenterology providers in California work at ambulatory surgery centers?
547 Gastroenterology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Lenna Martyak among them. The California Gastroenterology directory lists each one by city with credential, NPI, and center affiliations.
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