Marc LongoM.D.
Ophthalmology·Houston, TX
Marc Longo, M.D. is an Ophthalmology provider in Houston, TX, as of July 2026.
- NPI1679559009
- Registered2005
- Class of1990
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Marc Longo at a glance
- Provider
- Marc Longo
- Credential
- M.D.
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Houston, TX
- Medical school
- University of Texas Medical School at Houston
- Graduated
- 1990
- NPI registered
- 2005
- NPI
- 1679559009
- 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 Marc Longo practice?
Marc Longo, M.D. is based in Houston, TX. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Marc Longo's NPI number?
Marc Longo's National Provider Identifier (NPI) is 1679559009, registered in 2005. Specialty on record: Ophthalmology; credential M.D.
Where did Marc Longo go to medical school?
Marc Longo, M.D. attended University of Texas Medical School at Houston, graduating in 1990.
How many Ophthalmology providers in Texas work at ambulatory surgery centers?
519 Ophthalmology surgeons and proceduralists in Texas are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Marc Longo among them. The Texas Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
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