Mary Elizabeth HartnettMD
Mary Elizabeth Hartnett, MD is an Ophthalmology provider in Stanford, CA affiliated with 2 ambulatory surgery centers across UT and CA, as of July 2026.
- NPI1871507020
- Registered2006
- Centers2
- StatesUT · CA
- Class of1983
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s: 1 in UT, 1 in CA. Affiliations change; verify independently.
Education
Education on record as of August 2026.
Mary Elizabeth Hartnett at a glance
- Provider
- Mary Elizabeth Hartnett
- Credential
- MD
- Specialty
- Ophthalmology
- Procedures
- Ophthalmology CPT codes
- Location
- Stanford, CA
- Medical school
- Albany Medical College of Union University
- Graduated
- 1983
- NPI registered
- 2006
- NPI
- 1871507020
- 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 Mary Elizabeth Hartnett practice?
Mary Elizabeth Hartnett, MD is based in Stanford, CA and is affiliated with 2 ambulatory surgery centers: Avenues Surgical Center in Salt Lake City, UT and Surgecenter Of Palo Alto in Palo Alto, CA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Mary Elizabeth Hartnett's NPI number?
Mary Elizabeth Hartnett's National Provider Identifier (NPI) is 1871507020, registered in 2006. Specialty on record: Ophthalmology; credential MD.
Where did Mary Elizabeth Hartnett go to medical school?
Mary Elizabeth Hartnett, MD attended Albany Medical College of Union University, graduating in 1983.
How many Ophthalmology providers in California work at ambulatory surgery centers?
869 Ophthalmology surgeons and proceduralists in California are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Mary Elizabeth Hartnett among them. The California Ophthalmology directory lists each one by city with credential, NPI, and center affiliations.
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