Dr. Robert Chanthavongsa, MD
- Part D claims, 2024
- 62
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 45 Reade Place, Poughkeepsie, NY 12601
- Practice phone
- Call (845) 454-8500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chanthavongsa'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 Chanthavongsa is a hospitalist in Poughkeepsie, New York
Dr. Chanthavongsa practices at Vassar Brothers Medical Center in Poughkeepsie, New York, part of Northwell Health.
Dr. Chanthavongsa's NPI, 1366186876, was assigned on April 21, 2022. Dr. Chanthavongsa holds New York license 340641.
- NPI
- 1366186876NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587145859
- NPI enumeration date
- April 21, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (845) 454-8500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Chanthavongsa practices at Vassar Brothers Medical Center in Poughkeepsie, New York
Dr. Chanthavongsa's primary practice is Vassar Brothers Medical Center, at 45 Reade Place, Poughkeepsie, NY 12601 in Dutchess County. The practice phone is (845) 454-8500.
- Vassar Brothers Medical Center45 Reade Place, Poughkeepsie, NY 12601 · Dutchess CountyPhone(845) 454-8500
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Chanthavongsa is affiliated with 1 site of care and 1 medical group
Dr. Chanthavongsa's primary practice is Vassar Brothers Medical Center in Poughkeepsie, New York, part of Northwell Health. The medical group on file is Danbury Medical Group.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Chanthavongsa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chanthavongsa practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vassar Brothers Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Chanthavongsa is one of 1,796 hospitalists in New York
Hospitalist is Dr. Chanthavongsa's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Chanthavongsa is licensed in New York.
Specialties and state licenses
- Hospitalist, New YorkPrimary
Hospitalists near Dr. Chanthavongsa
Counts of hospitalists 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 Chanthavongsa's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Chanthavongsa's median patient age at 69, with 0% women.
Dr. Chanthavongsa'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
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Robert Chanthavongsa wrote 62 Medicare Part D claims in 2024
In 2024, Dr. Chanthavongsa wrote 62 Medicare Part D claims for 22 patients. 85% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $125 in total drug cost.
Dr. Chanthavongsa's Part D claims by kind of drug, 2024
- Generic53 claims85%
- Brand-name and other9 claims15%
Dr. Chanthavongsa'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.
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
How Dr. Robert Chanthavongsa takes part in Medicare
Dr. Chanthavongsa accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Robert Chanthavongsa'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Chanthavongsa
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 Chanthavongsa's NPI number?
Dr. Robert Chanthavongsa's NPI number is 1366186876. It was assigned on April 21, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Chanthavongsa?
Dr. Robert Chanthavongsa is a hospitalist in Poughkeepsie, New York. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Robert Chanthavongsa practice?
Dr. Chanthavongsa practices at 45 Reade Place, Poughkeepsie, NY 12601. Dr. Chanthavongsa's primary practice is Vassar Brothers Medical Center in Poughkeepsie, New York, part of Northwell Health.
What is Dr. Robert Chanthavongsa's office phone number?
The practice phone on file for Dr. Chanthavongsa is (845) 454-8500.
What is Dr. Robert Chanthavongsa's medical license number?
Dr. Chanthavongsa holds New York license 340641.
Which hospitals is Dr. Robert Chanthavongsa affiliated with?
Dr. Chanthavongsa practices at Vassar Brothers Medical Center in Poughkeepsie, New York.
What medical group is Dr. Robert Chanthavongsa part of?
Dr. Chanthavongsa is linked to Danbury Medical Group.
Does Dr. Robert Chanthavongsa accept Medicare?
Yes. CMS lists Dr. Chanthavongsa as accepting Medicare assignment.
What drugs does Dr. Robert Chanthavongsa prescribe most?
In 2024 Medicare Part D data, Dr. Chanthavongsa's most prescribed drugs by claims were Oxybutynin Chloride ER.
How long has Dr. Robert Chanthavongsa been practicing?
Dr. Chanthavongsa graduated from medical school in 2021, 5 years ago.
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