Dr. Daniel Toby Marwil , MD
Pediatrics - Developmental - Behavioral Pediatrics • Providence, RI
293 Governor St
Providence, RI 02906
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Dr. Daniel Marwil is listed in NPPES under Pediatrics - Developmental - Behavioral Pediatrics.
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NPI assigned on September 7, 2006; this date does not establish years in practice.
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Published CMS data list 135 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) — 75 prescription fills, including refills.
- Dextroamphetamine-Amphet Er (Dextroamphetamine/Amphetamine) — 32 prescription fills, including refills.
- Vyvanse (Lisdexamfetamine Dimesylate) — 15 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 4 records in the table · Guide: How to read Medicare Part D prescriber data
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Medicare Part D prescriptions went from 70 in 2020 to 135 in 2024.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2020–2024.
Practice Location & Contact Primary Location
293 Governor St
Providence, RI 02906
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Pediatrics - Developmental - Behavioral Pediatrics: NPPES taxonomy is a reported classification, not proof of board certification.
30-day fills
135 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$11,688 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers – by Provider and Drug, 2024.
Open Payments general payments, program year 2025
All general payments: $95.24 across 5 records.
By nature of payment
- Food and Beverage: $95.24 across 5 records.
Reporting-company totals (3 largest of 4)
- Collegium Pharmaceutical, Inc.: $47.40 across 2 records.
- Tris Pharma Inc: $18.52 across 1 record.
- Vertical Pharmaceuticals, LLC: $15.36 across 1 record.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
NPI first issued
2006
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Compared with the same specialty in Providence and Rhode Island
Billing and prescribing volume is not a quality rating.
Medicare Part D prescriptions
Not enough clinicians listed under Pediatrics - Developmental - Behavioral Pediatrics in Rhode Island have Medicare Part D data for 2024 to make a comparison.
Part D drug cost
Not enough clinicians listed under Pediatrics - Developmental - Behavioral Pediatrics in Rhode Island have Medicare Part D data for 2024 to make a comparison.
8 active clinicians are listed under Pediatrics - Developmental - Behavioral Pediatrics with a practice address in Providence, RI (13 in Rhode Island).
Addresses are self-reported to NPPES and may be out of date.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 93% from 70 in 2020 to 135 in 2024.
- 2020: 70
- 2021: 63
- 2022: 99
- 2023: 91
- 2024: 135
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30-day fills
30-day fills increased 93% from 70 in 2020 to 135 in 2024.
- 2020: 70
- 2021: 63
- 2022: 109
- 2023: 91
- 2024: 135
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Part D drug cost
Part D drug cost increased 211% from $3,764 in 2020 to $11,688 in 2024.
- 2020: $3,764
- 2021: $3,822
- 2022: $5,786
- 2023: $8,689
- 2024: $11,688
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $15.73 in 2021 to $95.24 in 2025.
- 2021: $15.73
- 2022: $58.98
- 2023: $254.50
- 2024: $173.45
- 2025: $95.24
Sources: CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 – December 31, 2025): fewer than 11 records totaling $95.24.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Collegium Pharmaceutical, Inc. |
Food and Beverage
Cash or cash equivalent
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Jornay PM | General | $24.47 |
| Collegium Pharmaceutical, Inc. |
Food and Beverage
Cash or cash equivalent
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Jornay PM | General | $22.93 |
| Tris Pharma Inc |
Food and Beverage
In-kind items and services
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Dyanavel XR | General | $18.52 |
| Vertical Pharmaceuticals, LLC |
Food and Beverage
In-kind items and services
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Relexxii | General | $15.36 |
| Corium, LLC |
Food and Beverage
In-kind items and services
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Azstarys | General | $13.96 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Dextroamphetamine-Amphetamine | Dextroamphetamine/Amphetamine | 75 | 2,250 | $1,621.81 | — |
| Dextroamphetamine-Amphet Er | Dextroamphetamine/Amphetamine | 32 | 960 | $2,256.33 | — |
| Vyvanse | Lisdexamfetamine Dimesylate | 15 | 450 | $5,579.08 | — |
| Dextroamphetamine Sulfate Er | Dextroamphetamine Sulfate | 13 | 390 | $2,230.80 | — |
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 2080P0006X
A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.
Additional State Medicaid & Healthcare Payer Identifiers
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Psychologist - Clinical
Doctor of Philosophy (Ph.D.)
Career & Practice History
NPI enumerated September 07, 2006.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.
NPI Administrative Meta
Mailing Address
293 Governor St
Providence, RI 02906
Phone: 4013515730