Alexander Ciesielski, MD
NPI 1598343808 · Anesthesiology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexander Ciesielski, MD is a Anesthesiology Physician provider in San Diego, CA (NPI 1598343808).
Provider details
- NPI number
- 1598343808
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A203082 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-30
- Last updated
- 2025-10-09
- Certified
- 2025-10-09
Frequently asked questions
- What is Alexander Ciesielski's NPI number?
- Alexander Ciesielski's National Provider Identifier (NPI) is 1598343808, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexander Ciesielski's specialty?
- Alexander Ciesielski is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Ciesielski located?
- Alexander Ciesielski's practice location on file with NPPES is 3626 Ruffin Rd, San Diego, CA 92123-1810.
- What is Alexander Ciesielski's phone number?
- The practice phone number listed in the NPPES registry for Alexander Ciesielski is (858) 565-9666.
- Does Alexander Ciesielski accept Medicare?
- Alexander Ciesielski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexander Ciesielski's NPI active?
- Yes — Alexander Ciesielski's NPI (1598343808) is active in the NPPES registry as of the last update on 2025-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.