Dr. Ronald B. Dennett, MD
- Medicare services, 2024
- 3,594
- Medicare patients, 2024
- 445
- Part D claims, 2024
- 6,111
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 800 Westchester Ave, Rye Brook, NY 10573
- Practice phone
- Call (914) 681-5200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Westchester Urgent Care PLLC
Rye Brook, New York
Find Dr. Dennett'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. Ronald B. Dennett is an internist in Rye Brook, New York
Dr. Dennett practices at Westchester Urgent Care PLLC in Rye Brook, New York.
Dr. Dennett's NPI, 1003989757, was assigned on November 17, 2006. Dr. Dennett graduated from University of Vermont College of Medicine in 1977. Dr. Dennett holds New York license 141854.
- NPI
- 1003989757NPI Registry (opens in a new tab)
- NPI enumeration date
- November 17, 2006
- NPI status
- Active
- Practice phone
- (914) 681-5200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Ronald B. Dennett practices at Westchester Urgent Care PLLC in Rye Brook, New York
Dr. Dennett's primary practice is Westchester Urgent Care PLLC, at 800 Westchester Ave, Rye Brook, NY 10573 in Westchester County. The practice phone is (914) 681-5200.
- Westchester Urgent Care PLLC800 Westchester Ave, Rye Brook, NY 10573 · Westchester CountyPhone(914) 681-5200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ronald B. Dennett is affiliated with 2 sites of care and 1 medical group
Dr. Dennett's primary practice is Westchester Urgent Care PLLC in Rye Brook, New York. The medical group on file is Westmed Medical Group. Dmand AI also links Dr. Dennett to 1 more group practice or clinic, 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. Ronald B. Dennett's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dennett practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westchester Urgent Care PLLC | Available with a free account |
| +1 more affiliated site | 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. Ronald B. Dennett is one of 9,643 internists in New York
Internal medicine is Dr. Dennett's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Dennett is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Dennett
Counts of internists 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. Ronald B. Dennett billed Medicare for 3,594 services in 2024
CMS data shows 3,594 Medicare services from Dr. Dennett across 27 procedure codes in 2024, for 445 Medicare patients. Medicare paid $170,560 for them. Every service was in an office.
Dr. Dennett's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3232024: 1,2932%
- Lab and pathology
- 2023: 2,6882024: 1,12358%
- Other services
- 2023: 4892024: 58620%
- Tests and treatments
- 2023: 4572024: 36121%
- Surgery
- 2023: 5042024: 23154%
Dr. Dennett compared with the New York median for internists, 2024
- Dr. Dennett
- New York median
- Medicare services
- 3,594vs 4268.4 times
- Medicare patients
- 445vs 1582.8 times
- Part D claims
- 5,460vs 6228.8 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Dennett'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. Dennett?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dennett and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ronald B. Dennett treated 445 Medicare patients in 2024, average age 76
CMS counts 445 Medicare patients who saw Dr. Dennett in 2024. The largest group is 65 to 74, with 190 patients. 62% of them have high cholesterol, and 60% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.91, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Dennett's median patient age at 68, with 39% women.
Dr. Dennett's Medicare patients by age, 2024
Dr. Dennett's Medicare patients by sex, 2024
- Women23252%
- Men21348%
Chronic conditions among Dr. Dennett's Medicare patients, 2024
- High cholesterol62%
- High blood pressure60%
- Arthritis33%
- Cancer18%
- Ischemic heart disease18%
- Anxiety16%
- Diabetes16%
- Chronic kidney disease15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dennett's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women39%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ronald B. Dennett wrote 6,111 Medicare Part D claims in 2024
In 2024, Dr. Dennett wrote 6,111 Medicare Part D claims for 597 patients. 90% of them were for generic drugs. CMS names the drug for 5,460 of them, across 95 drugs with 11 or more claims each, at $289,526 in total drug cost. In 2023, CMS named 5,651 claims across 96 drugs.
Dr. Dennett's Part D claims by kind of drug, 2024
- Generic5,501 claims90%
- Brand-name571 claims9%
- Other39 claims1%
Dr. Dennett'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. Dennett's Part D claims, 2024
- Opioids0%18 of 6,111 claims
- Antibiotics2%122 of 6,111 claims
- Antipsychotics, patients 65 and over1%37 of 6,111 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: 5,6512024: 5,4603%
Drugs named by CMS: 95 in 2024, 96 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
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. Ronald B. Dennett graduated from University of Vermont College of Medicine
Dr. Dennett graduated from University of Vermont College of Medicine in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ronald B. Dennett'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) |
| 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. Ronald B. Dennett
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. Ronald B. Dennett's NPI number?
Dr. Ronald B. Dennett's NPI number is 1003989757. It was assigned on November 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ronald B. Dennett?
Dr. Ronald B. Dennett is an internist in Rye Brook, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ronald B. Dennett practice?
Dr. Dennett practices at 800 Westchester Ave, Rye Brook, NY 10573. Dr. Dennett's primary practice is Westchester Urgent Care PLLC in Rye Brook, New York. Dmand AI also links Dr. Dennett to 1 group practice or clinic.
What is Dr. Ronald B. Dennett's office phone number?
The practice phone on file for Dr. Dennett is (914) 681-5200.
What is Dr. Ronald B. Dennett's medical license number?
Dr. Dennett holds New York license 141854.
What medical group is Dr. Ronald B. Dennett part of?
Dr. Dennett is linked to Westmed Medical Group.
Does Dr. Ronald B. Dennett accept Medicare?
Yes. CMS data shows Dr. Dennett billed Medicare for 3,594 services in 2024.
How many Medicare patients does Dr. Ronald B. Dennett see?
CMS counts 445 Medicare patients who saw Dr. Dennett in 2024, with an average age of 76.
What services does Dr. Ronald B. Dennett bill to Medicare?
In 2024, Dr. Dennett's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Ronald B. Dennett go to medical school?
Dr. Dennett graduated from University of Vermont College of Medicine in 1977.
What drugs does Dr. Ronald B. Dennett prescribe most?
In 2024 Medicare Part D data, Dr. Dennett's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
How long has Dr. Ronald B. Dennett been practicing?
Dr. Dennett graduated from medical school in 1977, 49 years ago.
Selling to internal medicine practices?
See internists 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