Jeffrey HelfensteinM.D.
Internal Medicine·Beverly Hills, CA
Jeffrey Helfenstein, M.D. is an Internal Medicine provider in Beverly Hills, CA, as of July 2026.
- NPI1578572327
- Registered2006
- Class of1973
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Jeffrey Helfenstein at a glance
- Provider
- Jeffrey Helfenstein
- Credential
- M.D.
- Specialty
- Internal Medicine
- Procedures
- Internal Medicine CPT codes
- Location
- Beverly Hills, CA
- Medical school graduation
- 1973
- NPI registered
- 2006
- NPI
- 1578572327
- 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 Jeffrey Helfenstein practice?
Jeffrey Helfenstein, M.D. is based in Beverly Hills, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Jeffrey Helfenstein's NPI number?
Jeffrey Helfenstein's National Provider Identifier (NPI) is 1578572327, registered in 2006. Specialty on record: Internal Medicine; credential M.D.
How many Internal Medicine providers in California work at ambulatory surgery centers?
209 Internal Medicine surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Jeffrey Helfenstein among them. The California Internal Medicine directory lists each one by city with credential, NPI, and center affiliations.
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