Relapse Prevention Study of Pimavanserin in Dementia-related Psychosis (opens in a new tab)
Completed
$25,856 in research paymentsDelusionsHallucinationsPimavanserin 20 mgPimavanserin 34 mg
Dr. Robert Bonwetsch, MD
NPI1801856687PAC ID3779522495
- Medicare services, 2024
- 1,621
- Medicare patients, 2024
- 667
- Part D claims, 2024
- 9,200
- Clinical trials
- 5
- Hospital affiliations
- 2
- Practice address
- 100 Reserve Rd, Danbury, CT 06810
- Practice phone
- Call (203) 739-7742
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nuvance Health Medical Practice CT, Inc.
Danbury, Connecticut
Find Dr. Bonwetsch'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. Robert Bonwetsch is a neurologist in Danbury, Connecticut
Dr. Bonwetsch practices at Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut.
Dr. Bonwetsch's NPI, 1801856687, was assigned on March 24, 2006. Dr. Bonwetsch holds Connecticut license 042914.
NPI and contact details
- NPI
- 1801856687NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779522495
- NPI enumeration date
- March 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 739-7742
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Bonwetsch practices at Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut
Dr. Bonwetsch's primary practice is Nuvance Health Medical Practice CT, Inc., at 100 Reserve Rd, Danbury, CT 06810 in Western Ct County. The practice phone is (203) 739-7742.
- Nuvance Health Medical Practice CT, Inc.100 Reserve Rd, Danbury, CT 06810 · Western Ct CountyPhone(203) 739-7742
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert Bonwetsch is affiliated with 6 sites of care and 3 medical groups
Dr. Bonwetsch's primary practice is Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut. Dr. Bonwetsch is also affiliated with Northwell Danbury Hospital. The medical group on file is Danbury Medical Group. Dmand AI also links Dr. Bonwetsch to 1 more hospital, 3 group practices and clinics and 2 medical groups, each named with a free account.
Nuvance Health Medical Practice CT, Inc.Primary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Bonwetsch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bonwetsch practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nuvance Health Medical Practice CT, Inc. | 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. Robert Bonwetsch is one of 302 neurologists in Connecticut
Neurology is Dr. Bonwetsch's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Bonwetsch is licensed in Connecticut.
Specialties and state licenses
- Neurology, ConnecticutPrimary
Neurologists near Dr. Bonwetsch
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. Robert Bonwetsch billed Medicare for 1,621 services in 2024
CMS data shows 1,621 Medicare services from Dr. Bonwetsch across 13 procedure codes in 2024, for 667 Medicare patients. Medicare paid $123,939 for them.
Medicare services, 20241,621
Medicare patients667
Paid by Medicare$123,939
Procedure codes13
Dr. Bonwetsch's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9812024: 9365%
- Other services
- 2023: 02024: 502
- Tests and treatments
- 2023: 1592024: 18315%
Where Dr. Bonwetsch's Medicare services took place, 2024
- In an office1,26478%
- In a facility35722%
Dr. Bonwetsch compared with the Connecticut median for neurologists, 2024
- Dr. Bonwetsch
- Connecticut median
- Medicare services
- 1,621vs 2237.3 times
- Medicare patients
- 667vs 1574.2 times
- Part D claims
- 8,702vs 24136.1 times
Medians across 293 neurologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Bonwetsch'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Bonwetsch treated 667 Medicare patients in 2024, average age 75
CMS counts 667 Medicare patients who saw Dr. Bonwetsch in 2024. The largest group is 75 to 84, with 245 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 27% are also on Medicaid. Their average risk score is 1.59, 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. Bonwetsch's median patient age at 69, with 56% women.
Medicare patients, 2024667
Average age75
Average risk score1.59
Also on Medicaid27%
Dr. Bonwetsch's Medicare patients by age, 2024
Dr. Bonwetsch's Medicare patients by sex, 2024
- Women34452%
- Men32348%
Chronic conditions among Dr. Bonwetsch's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis48%
- Anxiety40%
- Mood disorders39%
- Depression34%
- Stroke or TIA34%
- Ischemic heart disease32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bonwetsch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Bonwetsch wrote 9,200 Medicare Part D claims in 2024
In 2024, Dr. Bonwetsch wrote 9,200 Medicare Part D claims for 668 patients. 89% of them were for generic drugs. CMS names the drug for 8,702 of them, across 165 drugs with 11 or more claims each, at $1,360,444 in total drug cost. In 2023, CMS named 4,447 claims across 98 drugs.
Part D claims, 20249,200
Drugs named by CMS165
Total drug cost$1.4M
Part D patients668
Dr. Bonwetsch's Part D claims by kind of drug, 2024
- Generic8,208 claims89%
- Brand-name879 claims10%
- Other113 claims1%
Dr. Bonwetsch'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. Bonwetsch's Part D claims, 2024
- Antibiotics0%22 of 9,200 claims
- Antipsychotics, patients 65 and over1%112 of 9,200 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: 4,4472024: 8,70296%
Drugs named by CMS: 165 in 2024, 98 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. Robert Bonwetsch offers telehealth to Medicare patients
Dr. Bonwetsch accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bonwetsch as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Robert Bonwetsch has worked on 5 clinical trials
Dmand AI links Dr. Bonwetsch to 5 clinical trials. Conditions studied include Psychomotor Agitation, Psychomotor Disorders and Delusions. ACADIA Pharmaceuticals Inc. sponsors the most, 5. Open Payments lists research payments to Dr. Bonwetsch that name 5 trials.
Conditions in Dr. Bonwetsch's trials
- Psychomotor Agitation
- Psychomotor Disorders
- Delusions
- Hallucinations
Investigators on the most trials with Dr. Bonwetsch
- Gustavo Alva, MD4 shared trials
- Stuart H. Isaacson, MD4 shared trials
- William Andrew Justiz, MD4 shared trials
Recent clinical trials with Dr. Bonwetsch
$9,500 in research paymentsPimavanserin
$13,643 in research paymentsPsychomotor AgitationPsychomotor DisordersPimavanserin 20 mgPimavanserin 34 mg
$2,000 in research paymentsPimavanserin tartrate (ACP-103)
$6,000 in research paymentsPsychomotor AgitationPsychomotor DisordersPimavanserin
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Bonwetsch received $7,363 in industry payments from 2016 to 2024
CMS Open Payments shows 399 general payments to Dr. Bonwetsch from 51 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 90% of the total. LivaNova PLC paid the most, $906. It also lists 21 research payments totaling $62,287 from 2016 to 2018, naming 5 clinical trials.
General payments to Dr. Bonwetsch by program year, 2016 to 2024
General payments to Dr. Bonwetsch by kind, 2016 to 2024
$7.4Kin total
- Food and beverage$6,64890%
- Travel and lodging$6008%
- Education$1001%
- Speaker and faculty fees$150%
Companies that paid Dr. Bonwetsch the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert Bonwetsch'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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Robert Bonwetsch
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. Robert Bonwetsch's NPI number?
Dr. Robert Bonwetsch's NPI number is 1801856687. It was assigned on March 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Bonwetsch?
Dr. Robert Bonwetsch is a neurologist in Danbury, Connecticut. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Robert Bonwetsch practice?
Dr. Bonwetsch practices at 100 Reserve Rd, Danbury, CT 06810. Dr. Bonwetsch's primary practice is Nuvance Health Medical Practice CT, Inc. in Danbury, Connecticut. Dmand AI also links Dr. Bonwetsch to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Dr. Robert Bonwetsch's office phone number?
The practice phone on file for Dr. Bonwetsch is (203) 739-7742.
What is Dr. Robert Bonwetsch's medical license number?
Dr. Bonwetsch holds Connecticut license 042914.
Which hospitals is Dr. Robert Bonwetsch affiliated with?
Dr. Bonwetsch is affiliated with Northwell Danbury Hospital. Dmand AI links Dr. Bonwetsch to 1 more hospital.
What medical group is Dr. Robert Bonwetsch part of?
Dr. Bonwetsch is linked to Danbury Medical Group. Dmand AI links Dr. Bonwetsch to 2 more medical groups.
Does Dr. Robert Bonwetsch accept Medicare?
Yes. CMS data shows Dr. Bonwetsch billed Medicare for 1,621 services in 2024, and Dr. Bonwetsch accepts Medicare assignment.
Does Dr. Robert Bonwetsch offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Bonwetsch as offering telehealth services.
How many Medicare patients does Dr. Robert Bonwetsch see?
CMS counts 667 Medicare patients who saw Dr. Bonwetsch in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Robert Bonwetsch bill to Medicare?
In 2024, Dr. Bonwetsch's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, new patient (99204).
What drugs does Dr. Robert Bonwetsch prescribe most?
In 2024 Medicare Part D data, Dr. Bonwetsch's most prescribed drugs by claims were Lamotrigine, Levetiracetam and Levothyroxine Sodium.
Has Dr. Robert Bonwetsch received payments from drug or device companies?
CMS Open Payments shows $7,363 in general payments to Dr. Bonwetsch from 51 companies from 2016 to 2024. The largest total came from LivaNova PLC.
How long has Dr. Robert Bonwetsch been practicing?
Dr. Bonwetsch graduated from medical school in 1998, 28 years ago.
Does Dr. Robert Bonwetsch do research?
Dr. Bonwetsch has worked on 5 clinical trials.
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