ANNA KOTLARZ MD
NPI 1386140499
Anesthesiology in West Hollywood, CA
About Anna Kotlarz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNA KOTLARZ MD (NPI 1386140499) is an individual anesthesiology provider in West Hollywood, California, licensed in California (A178506) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Legacy Meridian Park Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Anna Kotlarz Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
9Medicare enrollment records show Anna Kotlarz reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Wildomar, CA 92595
- Reassigned Medicare billing, California enrollment
- 49 clinicians in this Medicare group
Murrieta, CA 92562
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
Murrieta, CA 92562
- Reassigned Medicare billing, California enrollment
- 34 clinicians in this Medicare group
Temecula, CA 92592
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
Salem, OR 97301
- Reassigned Medicare billing, Oregon enrollment
- 625 clinicians in this Medicare group
Portland, OR 97205
- Reassigned Medicare billing, Oregon enrollment
- 271 clinicians in this Medicare group
West Yellowstone, MT 59758
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: Billings Clinic
- 1,264 clinicians in this Medicare group
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 86 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Legacy Meridian Park Medical Center
Acute Care Hospitals · Tualatin, OROther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST HOLLYWOOD, CA 90048
WEST HOLLYWOOD, CA 90048
WEST HOLLYWOOD, CA 90048
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Anna Kotlarz's NPI number?
The NPI number for Anna Kotlarz is 1386140499. It was assigned to this individual provider in the NPPES registry on April 5, 2018.
Where is Anna Kotlarz located?
Anna Kotlarz practices at 8700 Beverly Blvd, West Hollywood, CA 90048. The listed phone number is (310) 423-1447.
What is Anna Kotlarz's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Anna Kotlarz enrolled in Medicare?
Yes. Anna Kotlarz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Anna Kotlarz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anna Kotlarz reassigns Medicare benefits to 9 organizations: Cedars-Sinai Medical Care Foundation (Los Angeles, CA), Inland Valley Anesthesia Partners, Inc (Wildomar, CA), Rancho Springs Anesthesia Partners, Inc (Murrieta, CA), Temecula Surgery Anesthesia Partners, Inc (Murrieta, CA), Temecula Valley Anesthesia Partners, Inc (Temecula, CA) and 4 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Anna Kotlarz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anna Kotlarz accept?
Health plans from Blue Cross and Blue Shield of Montana, Moda Health Plan, Inc. and Mountain Health CO-OP list Anna Kotlarz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Anna Kotlarz affiliated with any hospitals?
According to CMS data, Anna Kotlarz is affiliated with Legacy Meridian Park Medical Center.
When was this NPI record last updated?
The NPPES record for Anna Kotlarz was last updated on January 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Anna Kotlarz, MD · NPI 1386140499
Anesthesiology physician in West Hollywood, California. Individual provider, active in the CMS NPPES registry since April 5, 2018.
## Identity
- **NPI:** 1386140499 (Entity type: Individual)
- **Enumerated:** April 5, 2018
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A178506 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8700 BEVERLY BLVD, West Hollywood, CA 90048-1804
- **Phone:** (310) 423-1447
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 9 organizations under Medicare reassignment (form CMS-855R): Cedars-Sinai Medical Care Foundation (NPI 1043826720, Los Angeles, CA); Inland Valley Anesthesia Partners, Inc (NPI 1053173955, Wildomar, CA); Rancho Springs Anesthesia Partners, Inc (NPI 1730941634, Murrieta, CA); Temecula Surgery Anesthesia Partners, Inc (NPI 1962264853, Murrieta, CA); Temecula Valley Anesthesia Partners, Inc (NPI 1114789013, Temecula, CA); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** January 27, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1386140499) · Data from the CMS NPPES public registry.