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MRS. MARSHA ANN TROCHIM RN NP
NPI 1508962127
Registered Nurse - Women's Health Care, Ambulatory in Lancaster, CA

Active since September 15, 2006PECOS Enrolled
44469 10TH ST WEST, LANCASTER, CA 93534(661) 945-9411(661) 945-7115 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Marsha Ann Trochim Rn Np NPPES

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

MRS. MARSHA ANN TROCHIM RN NP (NPI 1508962127) is an individual women's health care, ambulatory provider in Lancaster, California, licensed in California (RN295196) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508962127
Entity TypeIndividualFemale
Primary Taxonomy163WW0101X
Provider Legal NameMRS. MARSHA ANN TROCHIMCredential: RN NP
Location Address44469 10TH ST WESTLancaster, CA 93534
Mailing Address44469 10th St WestLancaster, CA 93534 · (661) 945-9411 · Fax (661) 945-7115
Phone(661) 945-9411
Fax(661) 945-7115
Sole ProprietorNo
Enumeration DateSeptember 15, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1508962127 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRegistered Nurse · Women's Health Care, AmbulatoryNursing Service Providers
Taxonomy Code163WW0101X
License✔ Licensed in CA · RN295196
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License NP13220 (CA)
44469 10TH ST WEST, Lancaster, CA 93534
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Other Names 1

Former Name (1)Marsha Ann Tracy

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Marsha Ann Trochim Rn Np 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 Marsha Trochim reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sierra Medical Group Holding Company, Inc.
Same address
Multi-Specialty
44469 10TH ST W
Lancaster, CA 93534
  • Reassigned Medicare billing, California enrollment
  • 13 clinicians in this Medicare group
NPI 1780832972 (818) 654-3463

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

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

MR. KEVIN FRANCIS ERIC EASTHAM PA C
Physician Assistant (Medical)
44469 10TH ST WEST
LANCASTER, CA 93534
Los Angeles County (661) 945-9411

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 Marsha Trochim's NPI number?

The NPI number for Marsha Trochim is 1508962127. It was assigned to this individual provider in the NPPES registry on September 15, 2006. The provider is also known as Marsha Ann Tracy.

Where is Marsha Trochim located?

Marsha Trochim practices at 44469 10th St West, Lancaster, CA 93534. The listed phone number is (661) 945-9411.

What is Marsha Trochim's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Women's Health Care, Ambulatory, with taxonomy code 163WW0101X.

Is Marsha Trochim enrolled in Medicare?

Yes. Marsha Trochim is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marsha Trochim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marsha Trochim reassigns Medicare benefits to Sierra Medical Group Holding Company, Inc. (Lancaster, 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 Marsha Trochim'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 Marsha Trochim was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.