Gregg HartmanM.D.
Sports Medicine·Simi Valley, CA
Gregg Hartman, M.D. is a Sports Medicine provider in Simi Valley, CA, as of July 2026.
- NPI1336105238
- Registered2006
- Class of1992
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Gregg Hartman at a glance
- Provider
- Gregg Hartman
- Credential
- M.D.
- Specialty
- Sports Medicine
- Procedures
- Sports Medicine CPT codes
- Location
- Simi Valley, CA
- Medical school
- Tulane University School of Medicine
- Graduated
- 1992
- NPI registered
- 2006
- NPI
- 1336105238
- 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 Gregg Hartman practice?
Gregg Hartman, M.D. is based in Simi Valley, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Gregg Hartman's NPI number?
Gregg Hartman's National Provider Identifier (NPI) is 1336105238, registered in 2006. Specialty on record: Sports Medicine; credential M.D.
Where did Gregg Hartman go to medical school?
Gregg Hartman, M.D. attended Tulane University School of Medicine, graduating in 1992.
How many Sports Medicine providers in California work at ambulatory surgery centers?
33 Sports Medicine surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Gregg Hartman among them. The California Sports Medicine directory lists each one by city with credential, NPI, and center affiliations.
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