Dr. Lewis West Marshall Jr., MD
- Medicare services, 2024
- 328
- Medicare patients, 2024
- 55
- Part D claims, 2024
- 1,431
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 234 East 149th Street, Bronx, NY 10451
- Practice phone
- Call (718) 579-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Lewis West Marshall Jr. is an internist in Bronx, New York
Dr. Marshall practices at NYC Health + Hospitals/Lincoln in Bronx, New York, part of NYC.
Dr. Marshall's NPI, 1841297223, was assigned on June 30, 2005. Dr. Marshall graduated from Howard University College Of Medicine in 1983. Dr. Marshall holds New York license 162486.
- NPI
- 1841297223NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042289050
- NPI enumeration date
- June 30, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (718) 579-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lewis West Marshall Jr. practices at NYC Health + Hospitals/Lincoln in Bronx, New York
Dr. Marshall's primary practice is NYC Health + Hospitals/Lincoln, at 234 East 149th Street, Bronx, NY 10451 in Bronx County. The practice phone is (718) 579-5000.
- NYC Health + Hospitals/Lincoln234 East 149th Street, Bronx, NY 10451 · Bronx CountyPhone(718) 579-5000
Source: Dmand AI Affiliation Data
Dr. Lewis West Marshall Jr. is affiliated with 3 sites of care and 4 medical groups
Dr. Marshall's primary practice is NYC Health + Hospitals/Lincoln in Bronx, New York, part of NYC. Dr. Marshall is also affiliated with NewYork-Presbyterian Queens. The medical group on file is Physician Affiliate Group of New York (PAGNY). Dmand AI also links Dr. Marshall to 3 more medical groups and 1 physician office, 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. Lewis West Marshall Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYC Health + Hospitals/Lincoln | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lewis West Marshall Jr. is one of 9,643 internists in New York
Internal medicine is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Marshall's licenses on file in 2 states: New York and New Jersey.
Specialties and state licenses
- Internal medicine, New YorkPrimary
- New Jersey license
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. Lewis West Marshall Jr. billed Medicare for 328 services in 2024
CMS data shows 328 Medicare services from Dr. Marshall across 8 procedure codes in 2024, for 55 Medicare patients. Medicare paid $20,574 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: 2112024: 1967%
- Other services
- 2023: 572024: 9465%
- Surgery
- 2023: 312024: 3823%
Dr. Marshall compared with the New York median for internists, 2024
- Dr. Marshall
- New York median
- Medicare services
- 328vs 42623% below
- Medicare patients
- 55vs 15865% below
- Part D claims
- 981vs 62258% above
Medians across 9,428 internists in New York 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 internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lewis West Marshall Jr. treated 55 Medicare patients in 2024, average age 71
CMS counts 55 Medicare patients who saw Dr. Marshall in 2024. The largest group is 65 to 74, with 29 patients. 71% of them have high blood pressure, and 64% have high cholesterol. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Marshall's median patient age at 62, with 59% women.
Dr. Marshall's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Marshall's Medicare patients by sex, 2024
- Women3767%
- Men1833%
Chronic conditions among Dr. Marshall's Medicare patients, 2024
- High blood pressure71%
- High cholesterol64%
- Arthritis35%
- Diabetes27%
- Cancer22%
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 62
Patient panel by sex, all payers
- Women59%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lewis West Marshall Jr. wrote 1,431 Medicare Part D claims in 2024
In 2024, Dr. Marshall wrote 1,431 Medicare Part D claims for 130 patients. 88% of them were for generic drugs. CMS names the drug for 981 of them, across 37 drugs with 11 or more claims each, at $54,391 in total drug cost. In 2023, CMS named 689 claims across 28 drugs.
Dr. Marshall's Part D claims by kind of drug, 2024
- Generic1,260 claims88%
- Brand-name160 claims11%
- Other11 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
- Opioids3%50 of 1,431 claims
- Antibiotics2%26 of 1,431 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: 6892024: 98142%
Drugs named by CMS: 37 in 2024, 28 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. Lewis West Marshall Jr. 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. Lewis West Marshall Jr. has 1 publication on record
Dmand AI links 1 paper to Dr. Marshall.
Recent publications by Dr. Marshall
See who Dr. Marshall researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marshall works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lewis West Marshall Jr. received $62 in industry payments in 2016
CMS Open Payments shows 3 general payments to Dr. Marshall from 3 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $32.
Companies that paid Dr. Marshall the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lewis West Marshall Jr. graduated from Howard University College Of Medicine
Dr. Marshall graduated from Howard University College Of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lewis West Marshall Jr.'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 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) |
| 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. Lewis West Marshall Jr.
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. Lewis West Marshall Jr.'s NPI number?
Dr. Lewis West Marshall Jr.'s NPI number is 1841297223. It was assigned on June 30, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Lewis West Marshall Jr.?
Dr. Lewis West Marshall Jr. is an internist in Bronx, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lewis West Marshall Jr. practice?
Dr. Marshall practices at 234 East 149th Street, Bronx, NY 10451. Dr. Marshall's primary practice is NYC Health + Hospitals/Lincoln in Bronx, New York, part of NYC. Dmand AI also links Dr. Marshall to 3 medical groups and 1 physician office.
What is Dr. Lewis West Marshall Jr.'s office phone number?
The practice phone on file for Dr. Marshall is (718) 579-5000.
What is Dr. Lewis West Marshall Jr.'s medical license number?
Dr. Marshall holds New York license 162486, one of the licenses on file in 2 states.
Which states has Dr. Lewis West Marshall Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Marshall in New York and New Jersey.
Which hospitals is Dr. Lewis West Marshall Jr. affiliated with?
Dr. Marshall practices at NYC Health + Hospitals/Lincoln in Bronx, New York. Dr. Marshall is also affiliated with NewYork-Presbyterian Queens.
What medical group is Dr. Lewis West Marshall Jr. part of?
Dr. Marshall is linked to Physician Affiliate Group of New York (PAGNY). Dmand AI links Dr. Marshall to 3 more medical groups.
Does Dr. Lewis West Marshall Jr. accept Medicare?
Yes. CMS data shows Dr. Marshall billed Medicare for 328 services in 2024, and Dr. Marshall accepts Medicare assignment.
Does Dr. Lewis West Marshall Jr. offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Marshall as offering telehealth services.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Lewis West Marshall Jr. see?
CMS counts 55 Medicare patients who saw Dr. Marshall in 2024, with an average age of 71.
What services does Dr. Lewis West Marshall Jr. bill to Medicare?
In 2024, Dr. Marshall's most billed Medicare services were office visit, established patient (99213), care management and other visits (99443) and surgery: heart and blood vessels (36415).
Where did Dr. Lewis West Marshall Jr. go to medical school?
Dr. Marshall graduated from Howard University College Of Medicine in 1983.
What drugs does Dr. Lewis West Marshall Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Amlodipine Besylate, Hydrochlorothiazide and Losartan Potassium.
Has Dr. Lewis West Marshall Jr. received payments from drug or device companies?
CMS Open Payments shows $62 in general payments to Dr. Marshall from 3 companies from 2016 to 2016. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Lewis West Marshall Jr. been practicing?
Dr. Marshall graduated from medical school in 1983, 43 years ago.
Does Dr. Lewis West Marshall Jr. do research?
Dmand AI links 1 publication to Dr. Marshall.
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