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KATIE EMMA REES LCSW
NPI 1548877012
Social Worker in Los Angeles, CA

Active since September 28, 2020PECOS EnrolledAccepts Medicare Assignment
2116 ARLINGTON AVE STE 100, LOS ANGELES, CA 90018(323) 334-9000(323) 334-4437 Get Directions Write a Review

NPPES record last updated: August 27, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 27, 2021, Sep 28, 2020 (2 updates tracked since 2020).

About Katie Emma Rees Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATIE EMMA REES LCSW (NPI 1548877012) is an individual social worker in Los Angeles, California, licensed in California (103341) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1548877012
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameKATIE EMMA REESCredential: LCSW
Location Address2116 ARLINGTON AVE STE 100Los Angeles, CA 90018-1353
Mailing Address2116 Arlington Ave Ste 100Los Angeles, CA 90018-1353 · (323) 334-9000 · Fax (323) 334-4437
Phone(323) 334-9000
Fax(323) 334-4437
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateSeptember 28, 2020
Last NPPES UpdateAugust 27, 20212 updates tracked since enumeration
NPPES CertifiedAugust 27, 2021
✔ NPI 1548877012 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in CA · 103341
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License ASW89295 (CA)
2116 ARLINGTON AVE STE 100, Los Angeles, CA 90018
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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

Katie Emma Rees Lcsw 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.

PECOS PAC ID1557721016
PECOS Enrollment IDI20230714002838
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Katie Rees reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Soultenders Psychological Services, Inc.
18 mi
Clinical
41 E FOOTHILL BLVD STE 102
Arcadia, CA 91006
  • Reassigned Medicare billing, California enrollment
  • 255 clinicians in this Medicare group
NPI 1235810722 (626) 701-4249
Soultenders, Inc.
18 mi
Clinical
41 E FOOTHILL BLVD, SUITE 102
Arcadia, CA 91006
  • Reassigned Medicare billing, California enrollment
  • 273 clinicians in this Medicare group
NPI 1164617007 (626) 737-6034

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

ANGELINE NICOLE LOCH LCSW
Social Worker (Clinical)
2116 ARLINGTON AVE STE 100
LOS ANGELES, CA 90018
Los Angeles County (323) 334-9000
IRINA KIRAKOSIAN MA
Rehabilitation Practitioner
2116 ARLINGTON AVE STE 100
LOS ANGELES, CA 90018
Los Angeles County (323) 334-9000
KERI STRATMAN
Rehabilitation Practitioner
2116 ARLINGTON AVE STE 100
LOS ANGELES, CA 90018
Los Angeles County (323) 334-9000
EMILIO NUNEZ JR. RADT #R1514390723
Social Worker (Clinical)
2116 ARLINGTON AVE STE 100
LOS ANGELES, CA 90018
Los Angeles County (323) 294-4932
LEONELA MENDOZA A.S.
Case Manager/Care Coordinator
2116 ARLINGTON AVE STE 100
LOS ANGELES, CA 90018
Los Angeles County (323) 334-9000
KIANA JANEL MATTHEWS ASW 93673
Social Worker (Clinical)
2116 ARLINGTON AVE STE 100
LOS ANGELES, CA 90018
Los Angeles County (323) 334-9000
BAHAR NAWABI
Student in an Organized Health Care Education/Training Program
2116 ARLINGTON AVE STE 100
LOS ANGELES, CA 90018
Los Angeles County (323) 334-9000
AMANDA MARY CHAPMAN
Marriage & Family Therapist
2116 ARLINGTON AVE STE 100
LOS ANGELES, CA 90018
Los Angeles County (323) 334-9000

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 Rees's NPI number?

The NPI number for Katie Rees is 1548877012. It was assigned to this individual provider in the NPPES registry on September 28, 2020.

Where is Katie Rees located?

Katie Rees practices at 2116 Arlington Ave Ste 100, Los Angeles, CA 90018. The listed phone number is (323) 334-9000.

What is Katie Rees's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Katie Rees enrolled in Medicare?

Yes. Katie Rees 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 Rees's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katie Rees reassigns Medicare benefits to 2 organizations: Soultenders Psychological Services, Inc. (Arcadia, CA) and Soultenders, Inc. (Arcadia, CA). 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 Rees's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katie Rees was last updated on August 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.