Dr. Eric Cornelius Marshall, MD
- Medicare services, 2024
- 2,783
- Medicare patients, 2024
- 355
- Part D claims, 2024
- 8,628
- Hospital affiliations
- 4
- Industry payments
- $8,593
- Practice address
- 6856 Eastern NW Ave, Washington, DC 20012
- Practice phone
- Call (202) 829-1719
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Specialty Home Care
Washington, District of Columbia
Find Dr. Marshall's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Eric Cornelius Marshall is a family medicine physician in Washington, District of Columbia
Dr. Marshall practices at Specialty Home Care in Washington, District of Columbia.
Dr. Marshall's NPI, 1841228947, was assigned on June 28, 2006. Dr. Marshall graduated from University of Cincinnati College of Medicine in 1998. Dr. Marshall holds District of Columbia license CS0112180.
- NPI
- 1841228947NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224174347
- NPI enumeration date
- June 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (202) 829-1719
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eric Cornelius Marshall practices at Specialty Home Care in Washington, District of Columbia
Dr. Marshall's primary practice is Specialty Home Care, at 6856 Eastern NW Ave, Washington, DC 20012 in District Of Columbia County. The practice phone is (202) 829-1719.
- Specialty Home Care6856 Eastern NW Ave, Washington, DC 20012 · District Of Columbia CountyPhone(202) 829-1719
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eric Cornelius Marshall is affiliated with 12 sites of care and 3 medical groups
Dr. Marshall's primary practice is Specialty Home Care in Washington, District of Columbia. Dr. Marshall is also affiliated with MedStar Washington Hospital Center. The medical group on file is Gerald Family Care. Dmand AI also links Dr. Marshall to 3 more hospitals, 4 home health agencies, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Eric Cornelius Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Specialty Home Care | Available with a free account |
| +11 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eric Cornelius Marshall is one of 241 family medicine physicians in District of Columbia
Family medicine is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Marshall's licenses on file in 10 states: District of Columbia, Alaska, Florida, Indiana, Massachusetts, Maryland, Michigan, Missouri, Virginia and West Virginia.
Specialties and state licenses
- Family medicine, District of ColumbiaPrimary
- Alaska license
- Florida license
- Indiana license
- Massachusetts license
- Maryland license
- Michigan license
- Missouri license
- Virginia license
- West Virginia license
Family medicine physicians near Dr. Marshall
Counts of family 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. Eric Cornelius Marshall billed Medicare for 2,783 services in 2024
CMS data shows 2,783 Medicare services from Dr. Marshall across 17 procedure codes in 2024, for 355 Medicare patients. Medicare paid $163,919 for them. Every service was in an office.
Dr. Marshall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2732024: 1,57824%
- Other services
- 2023: 7752024: 1,16350%
- Tests and treatments
- 2023: 1942024: 4278%
Dr. Marshall compared with the District of Columbia median for family medicine physicians, 2024
- Dr. Marshall
- District of Columbia median
- Medicare services
- 2,783vs 8532.7 times
- Medicare patients
- 355vs 438.3 times
- Part D claims
- 7,950vs 30026.5 times
Medians across 222 family medicine physicians in District of Columbia with Dmand AI profiles that report each measure.
Dr. Marshall'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. Marshall and other family medicine physicians in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eric Cornelius Marshall treated 355 Medicare patients in 2024, average age 70
CMS counts 355 Medicare patients who saw Dr. Marshall in 2024. The largest group is 65 to 74, with 174 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 45% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marshall's median patient age at 59, with 59% women.
Dr. Marshall's Medicare patients by age, 2024
Dr. Marshall's Medicare patients by sex, 2024
- Women20056%
- Men15544%
Chronic conditions among Dr. Marshall's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Diabetes46%
- Arthritis39%
- Chronic kidney disease37%
- Mood disorders23%
- Depression20%
- COPD18%
Share of Medicare patients with each condition. A patient can have several.
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 59
Patient panel by sex, all payers
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eric Cornelius Marshall wrote 8,628 Medicare Part D claims in 2024
In 2024, Dr. Marshall wrote 8,628 Medicare Part D claims for 696 patients. 86% of them were for generic drugs. CMS names the drug for 7,950 of them, across 149 drugs with 11 or more claims each, at $919,874 in total drug cost. In 2023, CMS named 7,257 claims across 140 drugs.
Dr. Marshall's Part D claims by kind of drug, 2024
- Generic7,452 claims86%
- Brand-name1,094 claims13%
- Other82 claims1%
Dr. Marshall's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Marshall's Part D claims, 2024
- Opioids2%149 of 8,628 claims
- Antibiotics2%174 of 8,628 claims
- Antipsychotics, patients 65 and over0%21 of 8,628 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7,2572024: 7,95010%
Drugs named by CMS: 149 in 2024, 140 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Eric Cornelius Marshall offers telehealth to Medicare patients
Dr. Marshall accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marshall as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Eric Cornelius Marshall received $8,593 in industry payments from 2016 to 2025
CMS Open Payments shows 511 general payments to Dr. Marshall from 38 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,417.
General payments to Dr. Marshall by program year, 2016 to 2025
General payments to Dr. Marshall by kind, 2016 to 2025
- Food and beverage$8,53799%
- Education$561%
Companies that paid Dr. Marshall the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Eric Cornelius Marshall graduated from University of Cincinnati College of Medicine
Dr. Marshall graduated from University of Cincinnati College of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Eric Cornelius 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 and Drug (CMS) (opens in a new tab)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) |
| 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. Eric Cornelius 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. Eric Cornelius Marshall's NPI number?
Dr. Eric Cornelius Marshall's NPI number is 1841228947. It was assigned on June 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Eric Cornelius Marshall?
Dr. Eric Cornelius Marshall is a family medicine physician in Washington, District of Columbia. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Eric Cornelius Marshall practice?
Dr. Marshall practices at 6856 Eastern NW Ave, Washington, DC 20012. Dr. Marshall's primary practice is Specialty Home Care in Washington, District of Columbia. Dmand AI also links Dr. Marshall to 3 hospitals, 4 home health agencies, 3 group practices and clinics and 2 medical groups.
What is Dr. Eric Cornelius Marshall's office phone number?
The practice phone on file for Dr. Marshall is (202) 829-1719.
What is Dr. Eric Cornelius Marshall's medical license number?
Dr. Marshall holds District of Columbia license CS0112180, one of the licenses on file in 10 states.
Which states has Dr. Eric Cornelius Marshall been licensed in?
Dmand AI has state licenses on file for Dr. Marshall in District of Columbia, Alaska, Florida, Indiana, Massachusetts, Maryland, Michigan, Missouri, Virginia and West Virginia.
Which hospitals is Dr. Eric Cornelius Marshall affiliated with?
Dr. Marshall is affiliated with MedStar Washington Hospital Center. Dmand AI links Dr. Marshall to 3 more hospitals.
What medical group is Dr. Eric Cornelius Marshall part of?
Dr. Marshall is linked to Gerald Family Care. Dmand AI links Dr. Marshall to 2 more medical groups.
Does Dr. Eric Cornelius Marshall accept Medicare?
Yes. CMS data shows Dr. Marshall billed Medicare for 2,783 services in 2024, and Dr. Marshall accepts Medicare assignment.
Does Dr. Eric Cornelius Marshall offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Marshall as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Eric Cornelius Marshall see?
CMS counts 355 Medicare patients who saw Dr. Marshall in 2024, with an average age of 70.
What services does Dr. Eric Cornelius Marshall bill to Medicare?
In 2024, Dr. Marshall's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G2211).
Where did Dr. Eric Cornelius Marshall go to medical school?
Dr. Marshall graduated from University of Cincinnati College of Medicine in 1998.
What drugs does Dr. Eric Cornelius Marshall prescribe most?
In 2024 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Losartan Potassium.
Has Dr. Eric Cornelius Marshall received payments from drug or device companies?
CMS Open Payments shows $8,593 in general payments to Dr. Marshall from 38 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Eric Cornelius Marshall been practicing?
Dr. Marshall graduated from medical school in 1998, 28 years ago.
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