Katharine Ciesielski
NPI 1093211633 · Obstetrics & Gynecology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katharine Ciesielski is a Obstetrics & Gynecology Physician provider in Los Angeles, CA (NPI 1093211633).
Provider details
- NPI number
- 1093211633
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 4301506812 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$798 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 8700 Beverly BlvdWest Hollywood, CA 90048-1804Phone: (310) 423-9268Fax: (310) 423-9777
- 1500 E Medical Center DrAnn Arbor, MI 48109-5000Phone: (734) 936-4000
Registry dates
- Enumerated
- 2018-04-03
- Last updated
- 2024-09-10
- Certified
- 2024-09-10
Frequently asked questions
- What is Katharine Ciesielski's NPI number?
- Katharine Ciesielski's National Provider Identifier (NPI) is 1093211633, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Ciesielski's specialty?
- Katharine Ciesielski is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Katharine Ciesielski located?
- Katharine Ciesielski's practice location on file with NPPES is 444 S San Vicente Blvd Ste 1003, Los Angeles, CA 90048-4166.
- What is Katharine Ciesielski's phone number?
- The practice phone number listed in the NPPES registry for Katharine Ciesielski is (310) 423-9268.
- Does Katharine Ciesielski accept Medicare?
- Katharine Ciesielski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katharine Ciesielski's NPI active?
- Yes — Katharine Ciesielski's NPI (1093211633) is active in the NPPES registry as of the last update on 2024-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.