J Grad Med Educ
Dr. Cara D. Marshall, MD
- Medicare services, 2023
- 29
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 1,789
- Publications
- 3
- Hospital affiliations
- 2
- Practice address
- 1 General St, Lawrence, MA 01841
- Practice phone
- Call (978) 683-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Merrimack Health Lawrence Hospital
Lawrence, Massachusetts
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. Cara D. Marshall is a family medicine physician in Lawrence, Massachusetts
Dr. Marshall practices at Merrimack Health Lawrence Hospital in Lawrence, Massachusetts.
Dr. Marshall's NPI, 1609877927, was assigned on August 9, 2005. Dr. Marshall graduated from University of Florida College of Medicine in 1996. Dr. Marshall holds Massachusetts license 208761.
- NPI
- 1609877927NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335108059
- NPI enumeration date
- August 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 683-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cara D. Marshall practices at Merrimack Health Lawrence Hospital in Lawrence, Massachusetts
Dr. Marshall's primary practice is Merrimack Health Lawrence Hospital, at 1 General St, Lawrence, MA 01841 in Essex County. The practice phone is (978) 683-4000.
- Merrimack Health Lawrence Hospital1 General St, Lawrence, MA 01841 · Essex CountyPhone(978) 683-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Cara D. Marshall is affiliated with 6 sites of care and 3 medical groups
Dr. Marshall's primary practice is Merrimack Health Lawrence Hospital in Lawrence, Massachusetts. Dr. Marshall is also affiliated with Lowell General Hospital. The medical group on file is Greater Lawrence Family Health Center. Dmand AI also links Dr. Marshall to 1 more hospital, 2 community health centers, 2 medical groups and 1 home health agency, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Cara D. Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marshall practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Merrimack Health Lawrence Hospital | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cara D. Marshall is one of 2,036 family medicine physicians in Massachusetts
Family medicine is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Marshall is licensed in Massachusetts.
Specialties and state licenses
- Family medicine, MassachusettsPrimary
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. Cara D. Marshall billed Medicare for 29 services in 2023
CMS data shows 29 Medicare services from Dr. Marshall across 1 procedure code in 2023, for 14 Medicare patients. Medicare paid $1,567 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Marshall's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 462023: 2937%
Dr. Marshall compared with the Massachusetts median for family medicine physicians, 2023
- Dr. Marshall
- Massachusetts median
- Medicare services
- 29vs 36192% below
- Medicare patients
- 14vs 15691% below
- Part D claims
- 1,285vs 80859% above
Medians across 2,093 family medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Marshall's most billed Medicare procedure codes, 2023
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Cara D. Marshall treated 14 Medicare patients in 2024, average age 60
CMS counts 14 Medicare patients who saw Dr. Marshall in 2024. 100% are also on Medicaid. Their average risk score is 1.64, 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. Marshall's median patient age at 49, with 65% 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 49
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cara D. Marshall wrote 1,789 Medicare Part D claims in 2024
In 2024, Dr. Marshall wrote 1,789 Medicare Part D claims for 142 patients. 78% of them were for generic drugs. CMS names the drug for 1,285 of them, across 43 drugs with 11 or more claims each, at $142,854 in total drug cost. In 2023, CMS named 2,362 claims across 71 drugs.
Dr. Marshall's Part D claims by kind of drug, 2024
- Generic1,395 claims78%
- Brand-name338 claims19%
- Other56 claims3%
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
- Antibiotics2%28 of 1,789 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: 2,3622024: 1,28546%
Drugs named by CMS: 43 in 2024, 71 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
How Dr. Cara D. Marshall takes part in Medicare
Dr. Marshall accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Cara D. Marshall has 3 publications on record
Dmand AI links 3 papers to Dr. Marshall, published from 2018 to 2022. Dr. Marshall's most frequent co-authors are Wendy Brooks Barr, MD, John Torro, MD and Anthony Fred Valdini, MD.
Dr. Marshall's most frequent co-authors
- Wendy Brooks Barr, MD2 shared papers
- John Torro, MD1 shared paper
- Anthony Fred Valdini, MD1 shared paper
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 family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Cara D. Marshall graduated from University of Florida College of Medicine
Dr. Marshall graduated from University of Florida College of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Cara D. 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 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 |
| 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. Cara D. 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. Cara D. Marshall's NPI number?
Dr. Cara D. Marshall's NPI number is 1609877927. It was assigned on August 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Cara D. Marshall?
Dr. Cara D. Marshall is a family medicine physician in Lawrence, Massachusetts. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Cara D. Marshall practice?
Dr. Marshall practices at 1 General St, Lawrence, MA 01841. Dr. Marshall's primary practice is Merrimack Health Lawrence Hospital in Lawrence, Massachusetts. Dmand AI also links Dr. Marshall to 1 hospital, 2 community health centers, 2 medical groups and 1 home health agency.
What is Dr. Cara D. Marshall's office phone number?
The practice phone on file for Dr. Marshall is (978) 683-4000.
What is Dr. Cara D. Marshall's medical license number?
Dr. Marshall holds Massachusetts license 208761.
Which hospitals is Dr. Cara D. Marshall affiliated with?
Dr. Marshall is affiliated with Lowell General Hospital. Dmand AI links Dr. Marshall to 1 more hospital.
What medical group is Dr. Cara D. Marshall part of?
Dr. Marshall is linked to Greater Lawrence Family Health Center. Dmand AI links Dr. Marshall to 2 more medical groups.
Does Dr. Cara D. Marshall accept Medicare?
Yes. CMS data shows Dr. Marshall billed Medicare for 29 services in 2023, and Dr. Marshall accepts Medicare assignment.
How many Medicare patients does Dr. Cara D. Marshall see?
CMS counts 14 Medicare patients who saw Dr. Marshall in 2024, with an average age of 60.
What services does Dr. Cara D. Marshall bill to Medicare?
In 2023, Dr. Marshall's most billed Medicare services were hospital inpatient care (99232).
Show 5 more questionsShow fewer questions
Where did Dr. Cara D. Marshall go to medical school?
Dr. Marshall graduated from University of Florida College of Medicine in 1996.
What drugs does Dr. Cara D. Marshall prescribe most?
In 2024 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Atorvastatin Calcium, Famotidine and Gabapentin.
How long has Dr. Cara D. Marshall been practicing?
Dr. Marshall graduated from medical school in 1996, 30 years ago.
Does Dr. Cara D. Marshall do research?
Dmand AI links 3 publications to Dr. Marshall, published from 2018 to 2022.
Who does Dr. Cara D. Marshall publish with?
Dr. Marshall's most frequent co-authors are Wendy Brooks Barr, MD (2 shared papers), John Torro, MD (1 shared paper) and Anthony Fred Valdini, MD (1 shared paper).
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