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DR. ELSA LUISA MARSHALL M.D.
NPI 1932219342
Internal Medicine in El Monte, CA

Active since August 30, 2006PECOS Enrolled
3144 SANTA ANITA AVE, EL MONTE, CA 91733(626) 582-7956 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Elsa Luisa Marshall M.d. NPPES

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

DR. ELSA LUISA MARSHALL M.D. (NPI 1932219342) is an individual internal medicine provider in El Monte, California, licensed in California (G37762) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932219342
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. ELSA LUISA MARSHALLCredential: M.D.
Location Address3144 SANTA ANITA AVEEl Monte, CA 91733-1316
Mailing Address18120 Cowbell CtRowland Heights, CA 91748-4758
Phone(626) 582-7956
Sole ProprietorNo
Enumeration DateAugust 30, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1932219342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G37762
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3144 SANTA ANITA AVE, El Monte, CA 91733
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Elsa Luisa Marshall M.d. 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 Reassignments

2

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

Lawton Indian Hospital
1,123 mi
General Acute Care Hospital
1515 NE LAWRIE TATUM RD
Lawton, OK 73507
  • Reassigned Medicare billing, Texas enrollment
  • 347 clinicians in this Medicare group
NPI 1760489223 (580) 354-5150
Anadarko Indian Health Center
1,129 mi
Public Health, Federal
201 E PARKER MCKENZIE DRIVE
Anadarko, OK 73005
  • Reassigned Medicare billing, Texas enrollment
  • 177 clinicians in this Medicare group
NPI 1881637403 (405) 247-7900

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 91733 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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 8

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

SUSANA VARGAS FNP
Nurse Practitioner (Family)
3144 SANTA ANITA AVE
EL MONTE, CA 91733
Los Angeles County (626) 401-4147
GENOVEVA AGUILAR M.D.
Family Medicine
3144 SANTA ANITA AVE
EL MONTE, CA 91733
Los Angeles County (626) 444-0333
MRS. JOSEPHINE MEE DEVARAJ D.O.
Family Medicine
3144 SANTA ANITA AVE
EL MONTE, CA 91733
Los Angeles County (626) 444-0333
DR. MAYRA ROSADO M.D.
Pediatrics
3144 SANTA ANITA AVE
EL MONTE, CA 91733
Los Angeles County (626) 582-7905
NABIL K SOLIMAN MD
Internal Medicine
3144 SANTA ANITA AVE
EL MONTE, CA 91733
Los Angeles County (626) 401-4147
GARY FRANK RIVAS RD, PA-C
Physician Assistant
3144 SANTA ANITA AVE
EL MONTE, CA 91733
Los Angeles County (626) 444-0333
DR. MICHAEL FORSLING D.P.M.
Podiatrist
3144 SANTA ANITA AVE, SUITE 202
EL MONTE, CA 91733
Los Angeles County (626) 582-7908
DR. MICHAEL DELANE HADLEY M.D.
Surgery
3144 SANTA ANITA AVE
EL MONTE, CA 91733
Los Angeles County (626) 582-7989

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 Elsa Marshall's NPI number?

The NPI number for Elsa Marshall is 1932219342. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Elsa Marshall located?

Elsa Marshall practices at 3144 Santa Anita Ave, El Monte, CA 91733. The listed phone number is (626) 582-7956.

What is Elsa Marshall's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Elsa Marshall enrolled in Medicare?

Yes. Elsa Marshall is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Elsa Marshall's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elsa Marshall reassigns Medicare benefits to 2 organizations: Lawton Indian Hospital (Lawton, OK) and Anadarko Indian Health Center (Anadarko, OK). 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 Elsa Marshall's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elsa Marshall accept?

Health plans from Blue Cross and Blue Shield of Oklahoma list Elsa Marshall 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 Elsa Marshall was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.