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LEAH MICHELE MASSEY-LONGO
NPI 1366929242
Counselor - Mental Health in Orange, CA

Active since July 24, 2018PECOS EnrolledAccepts Medicare Assignment
301 THE CITY DR S, MANCHESTER OFFICE BUILDING, ORANGE, CA 92848(714) 935-6363 Get Directions Write a Review

NPPES record last updated: July 24, 2018. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Leah Michele Massey-longo NPPES

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

LEAH MICHELE MASSEY-LONGO (NPI 1366929242) is an individual mental health provider in Orange, California and active in the NPI registry since July 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1366929242
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameLEAH MICHELE MASSEY-LONGO
Location Address301 THE CITY DR S, MANCHESTER OFFICE BUILDINGOrange, CA 92848
Mailing Address1040 W Macarthur Blvd Apt 20Santa Ana, CA 92707-4604 · (727) 432-0386
Phone(714) 935-6363
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 24, 2018
✔ NPI 1366929242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
301 THE CITY DR S, Orange, CA 92848
Open in Google Maps ↗

Other Names 1

Professional Name (2)Leah M Longo

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Sunflower Health Plan, Ambetter Health, Ambetter of Oklahoma and more.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

Leah Michele Massey-longo 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 ID6204220569
PECOS Enrollment IDI20221214001048
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 Leah Massey-longo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cognitive Care Solutions Group Inc
5.5 mi
Cognitive & Behavioral
1526 BROOKHOLLOW DR STE 73
Santa Ana, CA 92705
  • Reassigned Medicare billing, California enrollment
  • 87 clinicians in this Medicare group
NPI 1548614183 (714) 545-3390
Clinical Associates PA
1,337 mi
Specialist
8629 BLUEJACKET ST, STE 100
Lenexa, KS 66214
  • Reassigned Medicare billing, Kansas enrollment
  • 48 clinicians in this Medicare group
NPI 1477588085 (913) 677-3553

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

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 Leah Massey-longo's NPI number?

The NPI number for Leah Massey-longo is 1366929242. It was assigned to this individual provider in the NPPES registry on July 24, 2018. The provider is also known as Leah M Longo.

Where is Leah Massey-longo located?

Leah Massey-longo practices at 301 The City Dr S Manchester Office Building, Orange, CA 92848. The listed phone number is (714) 935-6363.

What is Leah Massey-longo's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Leah Massey-longo enrolled in Medicare?

Yes. Leah Massey-longo 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 Leah Massey-longo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leah Massey-longo reassigns Medicare benefits to 2 organizations: Cognitive Care Solutions Group Inc (Santa Ana, CA) and Clinical Associates PA (Lenexa, KS). 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 Leah Massey-longo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Leah Massey-longo accept?

Health plans from Ambetter Health, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma, Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of Kansas City and 3 other insurers list Leah Massey-longo 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.

When was this NPI record last updated?

The NPPES record for Leah Massey-longo was last updated on July 24, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.