Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Alexander Gregory Ciesielski, MD

Individual provider Anesthesiology Physician · NPI 1598343808

Alexander Gregory Ciesielski, MD is an Anesthesiology in San Diego, California. Graduated from Indiana University School of Medicine in 2021, 5 years ago. Practices with Anesthesia Service Medical Group, a 237-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
5
Trained at
Indiana University School of Medicine
Licensed in
CA
In the registry since
2021
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3626 Ruffin Rd
San Diego, CA 92123-1810
Phone: (858) 565-9666
Fax: (858) 565-9441
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence A203082 (CA)

Record details

NPI number1598343808
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2021
Last updated in NPPESOctober 9, 2025
Certification dateOctober 9, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Anesthesia Service Medical Group — 237 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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