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TAMMI LORRAINE HARRIS N.P
NPI 1215256011
Nurse Practitioner - Gerontology in Los Angeles, CA

Active since May 19, 2010PECOS Enrolled
9233 W PICO BLVD, SUITE 220, LOS ANGELES, CA 90035(310) 356-8146(818) 356-8142 Get Directions Write a Review

NPPES record last updated: March 12, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Tammi Lorraine Harris N.p NPPES

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

TAMMI LORRAINE HARRIS N.P (NPI 1215256011) is an individual gerontology provider in Los Angeles, California, licensed in California (14292) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1215256011
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameTAMMI LORRAINE HARRISCredential: N.P
Location Address9233 W PICO BLVD, SUITE 220Los Angeles, CA 90035-1386
Mailing Address4911 Van Nuys Blvd, Suite 307Sherman Oaks, CA 91403-1716 · (818) 981-7111
Phone(310) 356-8146
Fax(818) 356-8142
Sole ProprietorNo
Enumeration DateMay 19, 2010
Last NPPES UpdateMarch 12, 2016
✔ NPI 1215256011 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in CA · 14292
9233 W PICO BLVD, Los Angeles, CA 90035
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Tammi Lorraine Harris N.p is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Tammi Harris reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Jha Geriatric Services, Inc
5.4 mi
Physical Therapy
12490 FIELDING CIRCLE, SUITE 174
Playa Vista, CA 90094
  • Reassigned Medicare billing, California enrollment
  • 25 clinicians in this Medicare group
NPI 1902403041 (424) 216-7239

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90035 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GAYLE ELEVADO
Nurse Practitioner (Adult Health)
9233 W PICO BLVD
LOS ANGELES, CA 90035
Los Angeles County (310) 356-8146

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 Tammi Harris's NPI number?

The NPI number for Tammi Harris is 1215256011. It was assigned to this individual provider in the NPPES registry on May 19, 2010.

Where is Tammi Harris located?

Tammi Harris practices at 9233 W Pico Blvd Suite 220, Los Angeles, CA 90035. The listed phone number is (310) 356-8146.

What is Tammi Harris's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Tammi Harris enrolled in Medicare?

Yes. Tammi Harris is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Tammi Harris's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tammi Harris reassigns Medicare benefits to Jha Geriatric Services, Inc (Playa Vista, CA). The 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 Tammi Harris'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 Tammi Harris was last updated on March 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.