Dr. Andrew Todd Marshall, MD
- Medicare services, 2024
- 3,416
- Medicare patients, 2024
- 311
- Part D claims, 2024
- 2,188
- MIPS score, 2024
- 82
- Affiliated sites
- 2
- Practice address
- 2 International Blvd, Brewster, NY 10509
- Practice phone
- Call (914) 241-1050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Caremount Medical
Brewster, New York
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. Andrew Todd Marshall is a gastroenterologist in Brewster, New York
Dr. Marshall practices at Caremount Medical in Brewster, New York.
Dr. Marshall's NPI, 1801846290, was assigned on May 10, 2006. Dr. Marshall graduated from Icahn School of Medicine at Mount Sinai in 1992. Dr. Marshall holds New York license 193405.
- NPI
- 1801846290NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113072513
- NPI enumeration date
- May 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (914) 241-1050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew Todd Marshall practices at Caremount Medical in Brewster, New York
Dr. Marshall's primary practice is Caremount Medical, at 2 International Blvd, Brewster, NY 10509 in Putnam County. The practice phone is (914) 241-1050.
- Caremount Medical2 International Blvd, Brewster, NY 10509 · Putnam CountyPhone(914) 241-1050
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Andrew Todd Marshall is affiliated with 3 sites of care and 3 medical groups
Dr. Marshall's primary practice is Caremount Medical in Brewster, New York. The medical group on file is CareMount Medical. Dmand AI also links Dr. Marshall to 2 more 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. Andrew Todd 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 |
|---|---|
| Caremount Medical | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Andrew Todd Marshall is one of 1,583 gastroenterologists in New York
Gastroenterology is Dr. Marshall's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Marshall is licensed in New York.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
Gastroenterologists near Dr. Marshall
Counts of gastroenterologists 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. Andrew Todd Marshall billed Medicare for 3,416 services in 2024
CMS data shows 3,416 Medicare services from Dr. Marshall across 36 procedure codes in 2024, for 311 Medicare patients. Medicare paid $153,477 for them. Every service was in an office.
Dr. Marshall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 2,2232024: 1,30441%
- Office and hospital visits
- 2023: 1,0522024: 89415%
- Other services
- 2023: 2582024: 547112%
- Surgery
- 2023: 5562024: 45917%
- Tests and treatments
- 2023: 2562024: 21217%
Dr. Marshall compared with the New York median for gastroenterologists, 2024
- Dr. Marshall
- New York median
- Medicare services
- 3,416vs 4218.1 times
- Medicare patients
- 311vs 23632% above
- Part D claims
- 1,892vs 3825.0 times
Medians across 1,551 gastroenterologists 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.
Need commercial claims for Dr. Marshall?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marshall and other gastroenterologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andrew Todd Marshall treated 311 Medicare patients in 2024, average age 75
CMS counts 311 Medicare patients who saw Dr. Marshall in 2024. The largest group is 65 to 74, with 153 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 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 55, with 42% 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
- Women14446%
- Men16754%
Chronic conditions among Dr. Marshall's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis47%
- Ischemic heart disease27%
- Anxiety23%
- Diabetes23%
- Osteoporosis22%
- Cancer17%
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 55
Patient panel by sex, all payers
- Women42%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrew Todd Marshall wrote 2,188 Medicare Part D claims in 2024
In 2024, Dr. Marshall wrote 2,188 Medicare Part D claims for 321 patients. 94% of them were for generic drugs. CMS names the drug for 1,892 of them, across 33 drugs with 11 or more claims each, at $35,275 in total drug cost. In 2023, CMS named 1,854 claims across 30 drugs.
Dr. Marshall's Part D claims by kind of drug, 2024
- Generic2,059 claims94%
- Brand-name and other129 claims6%
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%33 of 2,188 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: 1,8542024: 1,8922%
Drugs named by CMS: 33 in 2024, 30 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. Andrew Todd Marshall scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Marshall for performance year 2024, reported as part of a group. Dr. Marshall accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marshall as offering telehealth. CMS counts 37 procedures of colonoscopy by Dr. Marshall, more than 57% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Marshall's MIPS scores, performance year 2024
- 82of 100Final score
- 72.1of 100Quality
- 91of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Marshall ranks in Medicare procedure volume
- Colonoscopy
- 57th percentile37 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 48th percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Andrew Todd Marshall graduated from Icahn School of Medicine at Mount Sinai
Dr. Marshall graduated from Icahn School of Medicine at Mount Sinai in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Andrew Todd 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Andrew Todd 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. Andrew Todd Marshall's NPI number?
Dr. Andrew Todd Marshall's NPI number is 1801846290. It was assigned on May 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew Todd Marshall?
Dr. Andrew Todd Marshall is a gastroenterologist in Brewster, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Andrew Todd Marshall practice?
Dr. Marshall practices at 2 International Blvd, Brewster, NY 10509. Dr. Marshall's primary practice is Caremount Medical in Brewster, New York. Dmand AI also links Dr. Marshall to 2 group practices and clinics and 2 medical groups.
What is Dr. Andrew Todd Marshall's office phone number?
The practice phone on file for Dr. Marshall is (914) 241-1050.
What is Dr. Andrew Todd Marshall's medical license number?
Dr. Marshall holds New York license 193405.
What medical group is Dr. Andrew Todd Marshall part of?
Dr. Marshall is linked to CareMount Medical. Dmand AI links Dr. Marshall to 2 more medical groups.
Does Dr. Andrew Todd Marshall accept Medicare?
Yes. CMS data shows Dr. Marshall billed Medicare for 3,416 services in 2024, and Dr. Marshall accepts Medicare assignment.
Does Dr. Andrew Todd Marshall offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Marshall as offering telehealth services.
What is Dr. Andrew Todd Marshall's MIPS score?
Dr. Marshall's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
How many Medicare patients does Dr. Andrew Todd Marshall see?
CMS counts 311 Medicare patients who saw Dr. Marshall in 2024, with an average age of 75.
Show 4 more questionsShow fewer questions
What services does Dr. Andrew Todd Marshall bill to Medicare?
In 2024, Dr. Marshall's most billed Medicare services were surgery: heart and blood vessels (36415), medicare service (G2211) and office visit, established patient (99214).
Where did Dr. Andrew Todd Marshall go to medical school?
Dr. Marshall graduated from Icahn School of Medicine at Mount Sinai in 1992.
What drugs does Dr. Andrew Todd Marshall prescribe most?
In 2024 Medicare Part D data, Dr. Marshall's most prescribed drugs by claims were Atorvastatin Calcium, Omeprazole and Amlodipine Besylate.
How long has Dr. Andrew Todd Marshall been practicing?
Dr. Marshall graduated from medical school in 1992, 34 years ago.
Selling to gastroenterology practices?
See gastroenterologists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card