Dr. Elsa Luisa Marshall, MD
- Medicare services, 2020
- 119
- Part D claims, 2021
- 41
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 1400 South Grand Ave, Suite 700, Los Angeles, CA 90015
- Practice phone
- Call (213) 866-1900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Grand Avenue Surgery Center
Surgery Center - Medicare-Certified · Los Angeles, California
Find Dr. Marshall's professional email, personal email and mobile number
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Dr. Elsa Luisa Marshall is an internist in Los Angeles, California
Dr. Marshall practices at Grand Avenue Surgery Center in Los Angeles, California.
Dr. Marshall's NPI, 1932219342, was assigned on August 30, 2006. Dr. Marshall holds California license G37762.
- NPI
- 1932219342NPI Registry (opens in a new tab)
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Practice phone
- (213) 866-1900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Elsa Luisa Marshall practices at Grand Avenue Surgery Center in Los Angeles, California
Dr. Marshall's primary practice is Grand Avenue Surgery Center, at 1400 South Grand Ave, Suite 700, Los Angeles, CA 90015. The practice phone is (213) 866-1900.
- Grand Avenue Surgery Center1400 South Grand Ave, Suite 700, Los Angeles, CA 90015Phone(213) 866-1900
Source: Dmand AI Affiliation Data
Dr. Elsa Luisa Marshall is affiliated with 2 sites of care and 2 medical groups
Dr. Marshall's primary practice is Grand Avenue Surgery Center in Los Angeles, California. The medical group on file is Lawton Indian Hospital. Dmand AI also links Dr. Marshall to 1 more dialysis center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Elsa Luisa Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grand Avenue Surgery Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Elsa Luisa Marshall is one of 16,751 internists in California
Internal medicine is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Marshall is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Marshall
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Elsa Luisa Marshall billed Medicare for 119 services in 2020
CMS data shows 119 Medicare services from Dr. Marshall across 3 procedure codes in 2020. Medicare paid $4,581 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Marshall's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 1212020: 1192%
Dr. Marshall compared with the California median for internists, 2020
- Dr. Marshall
- California median
- Medicare services
- 119vs 36167% below
- Part D claims
- 41vs 42190% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Marshall's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marshall and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Elsa Luisa Marshall's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Marshall's median patient age at 61, with 42% women.
Dr. Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women42%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Elsa Luisa Marshall wrote 41 Medicare Part D claims in 2021
In 2021, Dr. Marshall wrote 41 Medicare Part D claims. They cover 3 drugs, with $816 in total drug cost. In 2020, CMS named 667 claims across 29 drugs.
Dr. Marshall's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 6672021: 4194%
Drugs named by CMS: 3 in 2021, 29 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Sources for Dr. Elsa Luisa Marshall's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Elsa Luisa Marshall
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Elsa Luisa Marshall's NPI number?
Dr. Elsa Luisa Marshall's NPI number is 1932219342. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Elsa Luisa Marshall?
Dr. Elsa Luisa Marshall is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Elsa Luisa Marshall practice?
Dr. Marshall practices at 1400 South Grand Ave, Suite 700, Los Angeles, CA 90015. Dr. Marshall's primary practice is Grand Avenue Surgery Center in Los Angeles, California. Dmand AI also links Dr. Marshall to 1 dialysis center and 1 medical group.
What is Dr. Elsa Luisa Marshall's office phone number?
The practice phone on file for Dr. Marshall is (213) 866-1900.
What is Dr. Elsa Luisa Marshall's medical license number?
Dr. Marshall holds California license G37762.
What medical group is Dr. Elsa Luisa Marshall part of?
Dr. Marshall is linked to Lawton Indian Hospital. Dmand AI links Dr. Marshall to 1 more medical group.
Does Dr. Elsa Luisa Marshall accept Medicare?
Yes. CMS data shows Dr. Marshall billed Medicare for 119 services in 2020.
What services does Dr. Elsa Luisa Marshall bill to Medicare?
In 2020, Dr. Marshall's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and care management and other visits (99442).
What drugs does Dr. Elsa Luisa Marshall prescribe most?
In 2021 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Amlodipine Besylate, Proair Hfa and Synthroid.
How long has Dr. Elsa Luisa Marshall been practicing?
Dr. Marshall's NPI was assigned in 2006.
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