Margaret HoltzM.D.
Margaret Holtz, M.D. is an Anesthesiology provider in Marietta, GA affiliated with 3 ambulatory surgery centers in GA, as of July 2026.
- NPI1477738300
- Registered2008
- Centers3
- StateGA
- Class of2005
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
- Marietta Outpatient Surgery LTDMarietta, GA · Gastroenterology, Ophthalmology, Pain management · 30 on panelView center →
- Northwest Atlanta Vascular Care LLCMarietta, GA · Vascular · 19 on panelView center →
- Northwest Georgia Orthopaedic Surgery Center LLCMarietta, GA · Orthopedics, Pain management · 28 on panelView center →
Education
Education on record as of August 2026.
Margaret Holtz at a glance
- Provider
- Margaret Holtz
- Credential
- M.D.
- Specialty
- Anesthesiology
- Procedures
- Anesthesiology CPT codes
- Location
- Marietta, GA
- Medical school
- University of Virginia School of Medicine
- Graduated
- 2005
- NPI registered
- 2008
- NPI
- 1477738300
- 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 Margaret Holtz practice?
Margaret Holtz, M.D. is based in Marietta, GA and is affiliated with 3 ambulatory surgery centers: Marietta Outpatient Surgery LTD in Marietta, GA, Northwest Atlanta Vascular Care LLC in Marietta, GA, and Northwest Georgia Orthopaedic Surgery Center LLC in Marietta, GA. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Margaret Holtz's NPI number?
Margaret Holtz's National Provider Identifier (NPI) is 1477738300, registered in 2008. Specialty on record: Anesthesiology; credential M.D.
Where did Margaret Holtz go to medical school?
Margaret Holtz, M.D. attended University of Virginia School of Medicine, graduating in 2005.
How many Anesthesiology providers in Georgia work at ambulatory surgery centers?
41 Anesthesiology surgeons and proceduralists in Georgia are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Margaret Holtz among them. The Georgia Anesthesiology directory lists each one by city with credential, NPI, and center affiliations.
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