AggressionBehaviorBlack or African American
Dr. Lillian Elena Marsh, MD
NPI1972737211PAC ID5496996225
- Medicare services, 2024
- 139
- Medicare patients, 2024
- 155
- Part D claims, 2024
- 24
- Publications
- 1
- MIPS score, 2024
- 85
- Practice address
- 3400 Spruce Street, White Bldg 1st Flr, Philadelphia, PA 19104
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr)
Long Term Care Hospital · Philadelphia, Pennsylvania
Find Dr. Marsh's professional email, personal email and mobile number
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Dr. Lillian Elena Marsh is an emergency medicine physician in Philadelphia, Pennsylvania
Dr. Marsh practices at Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr) in Philadelphia, Pennsylvania.
Dr. Marsh's NPI, 1972737211, was assigned on May 14, 2009. Dr. Marsh graduated from State University of New York at Buffalo School of Medicine in 2009. Dr. Marsh holds Pennsylvania license MD448913.
NPI and contact details
- NPI
- 1972737211NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496996225
- NPI enumeration date
- May 14, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lillian Elena Marsh practices at Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr) in Philadelphia, Pennsylvania
Dr. Marsh's primary practice is Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr), at 3400 Spruce Street, White Bldg 1st Flr, Philadelphia, PA 19104.
- Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr)3400 Spruce Street, White Bldg 1st Flr, Philadelphia, PA 19104
Source: Dmand AI Affiliation Data
Dr. Lillian Elena Marsh is affiliated with 3 sites of care and 1 medical group
Dr. Marsh's primary practice is Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr) in Philadelphia, Pennsylvania. Dr. Marsh is also affiliated with Hospital of the University of Pennsylvania. The medical group on file is Penn Medicine Lancaster General Health. Dmand AI also links Dr. Marsh to 1 more hospital, named with a free account. Dr. Marsh's employer is on file too: a hospital.
Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr)Primary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lillian Elena Marsh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marsh practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr) | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lillian Elena Marsh is one of 2,549 emergency medicine physicians in Pennsylvania
Emergency medicine is Dr. Marsh's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Marsh is licensed in Pennsylvania.
Specialties and state licenses
- Emergency medicine, PennsylvaniaPrimary
Emergency medicine physicians near Dr. Marsh
Counts of emergency medicine physicians 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. Lillian Elena Marsh billed Medicare for 139 services in 2024
CMS data shows 139 Medicare services from Dr. Marsh across 3 procedure codes in 2024, for 155 Medicare patients. Medicare paid $18,029 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024139
Medicare patients155
Paid by Medicare$18,029
Procedure codes3
Dr. Marsh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1922024: 13928%
Dr. Marsh compared with the Pennsylvania median for emergency medicine physicians, 2024
- Dr. Marsh
- Pennsylvania median
- Medicare services
- 139vs 24343% below
- Medicare patients
- 155vs 23333% below
Medians across 2,501 emergency medicine physicians in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Marsh's most billed Medicare procedure codes, 2024
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. Marsh and other emergency medicine physicians in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lillian Elena Marsh treated 155 Medicare patients in 2024, average age 72
CMS counts 155 Medicare patients who saw Dr. Marsh in 2024. The largest group is 65 to 74, with 52 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.96, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Marsh's median patient age at 51, with 57% women.
Medicare patients, 2024155
Average age72
Average risk score2.96
Also on Medicaid46%
Dr. Marsh's Medicare patients by age, 2024
Dr. Marsh's Medicare patients by sex, 2024
- Women8655%
- Men6945%
Chronic conditions among Dr. Marsh's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes48%
- Mood disorders47%
- Ischemic heart disease46%
- Heart failure45%
- Chronic kidney disease44%
- Arthritis43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marsh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lillian Elena Marsh wrote 24 Medicare Part D claims in 2024
In 2024, Dr. Marsh wrote 24 Medicare Part D claims for 23 patients. 96% of them were for generic drugs.
Part D claims, 202424
Part D patients23
Dr. Marsh's Part D claims by kind of drug, 2024
- Generic23 claims96%
- Brand-name and other1 claims4%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Lillian Elena Marsh scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Marsh for performance year 2024, reported as part of a group. Dr. Marsh accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Marsh's MIPS scores, performance year 2024
- 85of 100Final score
- 73.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Lillian Elena Marsh has 1 publication on record
Dmand AI links 1 paper to Dr. Marsh in 2023. Dr. Marsh's most frequent co-authors are Ari B. Friedman, MD, PhD, Chidinma C. Nwakanma, MD and Gerald M. O'Neill, MD.
Papers1
Dr. Marsh's most frequent co-authors
- Ari B. Friedman, MD, PhD1 shared paper
- Chidinma C. Nwakanma, MD1 shared paper
- Gerald M. O'Neill, MD1 shared paper
Recent publications by Dr. Marsh
See who Dr. Marsh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marsh works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lillian Elena Marsh received $351 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Dr. Marsh from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $182.
General payments to Dr. Marsh by program year, 2024 to 2025
Companies that paid Dr. Marsh the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lillian Elena Marsh graduated from State University of New York at Buffalo School of Medicine
Dr. Marsh graduated from State University of New York at Buffalo School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lillian Elena Marsh'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Lillian Elena Marsh
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. Lillian Elena Marsh's NPI number?
Dr. Lillian Elena Marsh's NPI number is 1972737211. It was assigned on May 14, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Lillian Elena Marsh?
Dr. Lillian Elena Marsh is an emergency medicine physician in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Lillian Elena Marsh practice?
Dr. Marsh practices at 3400 Spruce Street, White Bldg 1st Flr, Philadelphia, PA 19104. Dr. Marsh's primary practice is Good Shepherd Penn Partners - HOPD (3400 Spruce Street, White Bldg 1st Flr) in Philadelphia, Pennsylvania. Dmand AI also links Dr. Marsh to 1 hospital.
What is Dr. Lillian Elena Marsh's medical license number?
Dr. Marsh holds Pennsylvania license MD448913.
Which hospitals is Dr. Lillian Elena Marsh affiliated with?
Dr. Marsh is affiliated with Hospital of the University of Pennsylvania. Dmand AI links Dr. Marsh to 2 more hospitals.
What medical group is Dr. Lillian Elena Marsh part of?
Dr. Marsh is linked to Penn Medicine Lancaster General Health.
Does Dr. Lillian Elena Marsh accept Medicare?
Yes. CMS data shows Dr. Marsh billed Medicare for 139 services in 2024, and Dr. Marsh accepts Medicare assignment.
What is Dr. Lillian Elena Marsh's MIPS score?
Dr. Marsh's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. Lillian Elena Marsh see?
CMS counts 155 Medicare patients who saw Dr. Marsh in 2024, with an average age of 72.
What services does Dr. Lillian Elena Marsh bill to Medicare?
In 2024, Dr. Marsh's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
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Where did Dr. Lillian Elena Marsh go to medical school?
Dr. Marsh graduated from State University of New York at Buffalo School of Medicine in 2009.
Has Dr. Lillian Elena Marsh received payments from drug or device companies?
CMS Open Payments shows $351 in general payments to Dr. Marsh from 2 companies from 2024 to 2025. The largest total came from Inari Medical, Inc.
How long has Dr. Lillian Elena Marsh been practicing?
Dr. Marsh graduated from medical school in 2009, 17 years ago.
Does Dr. Lillian Elena Marsh do research?
Dmand AI links 1 publication to Dr. Marsh.
Who does Dr. Lillian Elena Marsh publish with?
Dr. Marsh's most frequent co-authors are Ari B. Friedman, MD, PhD (1 shared paper), Chidinma C. Nwakanma, MD (1 shared paper) and Gerald M. O'Neill, MD (1 shared paper).
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