Dr. Sydney Samuel Cash, MD, PhD
- Medicare services, 2024
- 170
- Medicare patients, 2024
- 107
- Part D claims, 2024
- 999
- Hospital affiliations
- 1
- Industry payments
- $761
- Practice address
- 55 Fruit Street, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Cash'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. Sydney Samuel Cash is a neurologist in Boston, Massachusetts
Dr. Cash practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Cash's NPI, 1265415616, was assigned on November 21, 2005. Dr. Cash graduated from Columbia University College of Physicians and Surgeons in 2000. Dr. Cash holds Massachusetts license 220547.
- NPI
- 1265415616NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2365418431
- NPI enumeration date
- November 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 726-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sydney Samuel Cash practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Cash's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Sydney Samuel Cash is affiliated with 4 sites of care and 2 medical groups
Dr. Cash's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Cash to 2 more group practices and clinics, 1 community health center and 1 medical group, 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. Sydney Samuel Cash's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Cash practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sydney Samuel Cash is one of 806 neurologists in Massachusetts
Neurology is Dr. Cash's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Cash is licensed in Massachusetts.
Specialties and state licenses
- Neurology, MassachusettsPrimary
Neurologists near Dr. Cash
Counts of neurologists 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. Sydney Samuel Cash billed Medicare for 170 services in 2024
CMS data shows 170 Medicare services from Dr. Cash across 6 procedure codes in 2024, for 107 Medicare patients. Medicare paid $18,217 for them.
Dr. Cash's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 582024: 9157%
- Office and hospital visits
- 2023: 582024: 615%
- Other services
- 2023: 02024: 18
Where Dr. Cash's Medicare services took place, 2024
- In an office9556%
- In a facility7544%
Dr. Cash compared with the Massachusetts median for neurologists, 2024
- Dr. Cash
- Massachusetts median
- Medicare services
- 170vs 31446% below
- Medicare patients
- 107vs 17840% below
- Part D claims
- 845vs 2703.1 times
Medians across 741 neurologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Cash'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. Cash and other neurologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sydney Samuel Cash treated 107 Medicare patients in 2024, average age 62
CMS counts 107 Medicare patients who saw Dr. Cash in 2024. The largest group is under 65, with 47 patients. 60% of them have high cholesterol, and 56% have high blood pressure. 54% are also on Medicaid. Their average risk score is 1.97, 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. Cash's median patient age at 45, with 43% women.
Dr. Cash's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Cash's Medicare patients by sex, 2024
- Women5652%
- Men5148%
Chronic conditions among Dr. Cash's Medicare patients, 2024
- High cholesterol60%
- High blood pressure56%
- Anxiety53%
- Mood disorders50%
- Depression43%
- Arthritis33%
- Alzheimer's and dementia27%
- Stroke or TIA25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Cash's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sydney Samuel Cash wrote 999 Medicare Part D claims in 2024
In 2024, Dr. Cash wrote 999 Medicare Part D claims for 90 patients. 75% of them were for generic drugs. CMS names the drug for 845 of them, across 23 drugs with 11 or more claims each, at $465,702 in total drug cost. In 2023, CMS named 685 claims across 21 drugs.
Dr. Cash's Part D claims by kind of drug, 2024
- Generic751 claims75%
- Brand-name and other248 claims25%
Dr. Cash'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6852024: 84523%
Drugs named by CMS: 23 in 2024, 21 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. Sydney Samuel Cash offers telehealth to Medicare patients
Dr. Cash accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Cash as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sydney Samuel Cash received $761 in industry payments from 2016 to 2025
CMS Open Payments shows 6 general payments to Dr. Cash from 2 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Neuropace, Inc. paid the most, $631.
General payments to Dr. Cash by program year, 2016 to 2025
General payments to Dr. Cash by kind, 2016 to 2025
- Food and beverage$74898%
- Travel and lodging$132%
Companies that paid Dr. Cash 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. Sydney Samuel Cash graduated from Columbia University College of Physicians and Surgeons
Dr. Cash graduated from Columbia University College of Physicians and Surgeons in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sydney Samuel Cash'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) |
| 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. Sydney Samuel Cash
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. Sydney Samuel Cash's NPI number?
Dr. Sydney Samuel Cash's NPI number is 1265415616. It was assigned on November 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Sydney Samuel Cash?
Dr. Sydney Samuel Cash is a neurologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Sydney Samuel Cash practice?
Dr. Cash practices at 55 Fruit Street, Boston, MA 02114. Dr. Cash's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Cash to 2 group practices and clinics, 1 community health center and 1 medical group.
What is Dr. Sydney Samuel Cash's office phone number?
The practice phone on file for Dr. Cash is (617) 726-2000.
What is Dr. Sydney Samuel Cash's medical license number?
Dr. Cash holds Massachusetts license 220547.
Which hospitals is Dr. Sydney Samuel Cash affiliated with?
Dr. Cash practices at Massachusetts General Hospital in Boston, Massachusetts.
What medical group is Dr. Sydney Samuel Cash part of?
Dr. Cash is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Cash to 1 more medical group.
Does Dr. Sydney Samuel Cash accept Medicare?
Yes. CMS data shows Dr. Cash billed Medicare for 170 services in 2024, and Dr. Cash accepts Medicare assignment.
Does Dr. Sydney Samuel Cash offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Cash as offering telehealth services.
How many Medicare patients does Dr. Sydney Samuel Cash see?
CMS counts 107 Medicare patients who saw Dr. Cash in 2024, with an average age of 62.
Show 5 more questionsShow fewer questions
What services does Dr. Sydney Samuel Cash bill to Medicare?
In 2024, Dr. Cash's most billed Medicare services were nerve and brain test (95720), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Sydney Samuel Cash go to medical school?
Dr. Cash graduated from Columbia University College of Physicians and Surgeons in 2000.
What drugs does Dr. Sydney Samuel Cash prescribe most?
In 2024 Medicare Part D data, Dr. Cash's most prescribed drugs by claims were Lamotrigine, Xcopri and Levetiracetam.
Has Dr. Sydney Samuel Cash received payments from drug or device companies?
CMS Open Payments shows $761 in general payments to Dr. Cash from 2 companies from 2016 to 2025. The largest total came from Neuropace, Inc.
How long has Dr. Sydney Samuel Cash been practicing?
Dr. Cash graduated from medical school in 2000, 26 years ago.
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