DR. KATIE ELIZABETH HAWK MD
NPI 1053874784
Emergency Medicine in Los Angeles, CA
About Dr. Katie Elizabeth Hawk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATIE ELIZABETH HAWK MD (NPI 1053874784) is an individual emergency medicine provider in Los Angeles, California, licensed in California (A178958) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Ada, and maintains a secondary practice location in Los Angeles.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Katie Elizabeth Hawk 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
14Medicare enrollment records show Katie Hawk reassigns Medicare billing to 14 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pasadena, CA 91101
- Reassigned Medicare billing, California enrollment
- 22 clinicians in this Medicare group
Pasadena, CA 91101
- Reassigned Medicare billing, Texas enrollment
- 21 clinicians in this Medicare group
Encino, CA 91436
- Reassigned Medicare billing, California enrollment
- 58 clinicians in this Medicare group
Santa Clarita, CA 91387
- Reassigned Medicare billing, California enrollment
- 684 clinicians in this Medicare group
Yuma, AZ 85364
- Reassigned Medicare billing, Arizona enrollment
- 141 clinicians in this Medicare group
Phoenix, AZ 85037
- Reassigned Medicare billing, Arizona enrollment
- 199 clinicians in this Medicare group
Phoenix, AZ 85027
- Reassigned Medicare billing, Arizona enrollment
- 122 clinicians in this Medicare group
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 153 clinicians in this Medicare group
Phoenix, AZ 85020
- Reassigned Medicare billing, Arizona enrollment
- 267 clinicians in this Medicare group
San Isidro, AZ 85634
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Ton Sells Hospital
- 349 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Ada
Acute Care Hospitals · Ada, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90033 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Katie Hawk's NPI number?
The NPI number for Katie Hawk is 1053874784. It was assigned to this individual provider in the NPPES registry on April 10, 2019.
Where is Katie Hawk located?
Katie Hawk practices at 2051 Marengo St, Los Angeles, CA 90033. The listed phone number is (323) 409-7053.
What is Katie Hawk's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Katie Hawk enrolled in Medicare?
Yes. Katie Hawk 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 Katie Hawk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katie Hawk reassigns Medicare benefits to 14 organizations: Tele911 California Emergency Medical Group Inc (Pasadena, CA), Tele911 Texas Emergency Medical Group PLLC (Pasadena, CA), Pacifica Emergency Medical Associates (Encino, CA), Providence Facey Medical Foundation (Santa Clarita, CA), 303 Emergency Physicians PLLC (Yuma, AZ) and 9 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 Katie Hawk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katie Hawk accept?
Health plans from Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Oklahoma, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. list Katie Hawk 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 Katie Hawk affiliated with any hospitals?
According to CMS data, Katie Hawk is affiliated with Mercy Hospital Ada.
When was this NPI record last updated?
The NPPES record for Katie Hawk was last updated on June 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Dr. Katie Elizabeth Hawk, MD · NPI 1053874784
Emergency Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since April 10, 2019.
## Identity
- **NPI:** 1053874784 (Entity type: Individual)
- **Enumerated:** April 10, 2019
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A178958 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2051 MARENGO ST, Los Angeles, CA 90033-1352
- **Phone:** (323) 409-7053
## 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:** 14 organizations under Medicare reassignment (form CMS-855R): Tele911 California Emergency Medical Group Inc (NPI 1720670268, Pasadena, CA); Tele911 Texas Emergency Medical Group PLLC (NPI 1396401006, Pasadena, CA); Pacifica Emergency Medical Associates (NPI 1053350975, Encino, CA); Providence Facey Medical Foundation (NPI 1922651561, Santa Clarita, CA); 303 Emergency Physicians PLLC (NPI 1518398585, Yuma, AZ); and 9 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arizona College Of Medicine - Phoenix, class of 2019
## Record status
- **NPPES last updated:** June 9, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1053874784) · Data from the CMS NPPES public registry.