Robert Chanthavongsa, MD
Hospitalist Physician · Poughkeepsie, NY
Robert Chanthavongsa, MD is a hospitalist physician with a practice address in Poughkeepsie, New York, and NPI 1366186876, issued on Apr 21, 2022. Check the license (New York 340641, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Robert Chanthavongsa
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 340641 NY
Self-reported in NPPES; status is on the state search - Practice location
- 45 Reade PL, Poughkeepsie, NY 12601
- Phone
- (845) 483-6299
- Enumerated
- Apr 21, 2022
- Record last updated
- Jan 7, 2026
- Medicare enrollment
- Enrolled (PECOS I20260225000706); accepts Medicare assignment
- Entity
- Type 1 · individual
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Verify Robert Chanthavongsa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 340641Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average hospitalist physician in 2024
62 Medicare Part D claims for 22 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Oxybutynin Chloride Er12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Nuvance Health Medical Practice PCPoughkeepsie, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Chanthavongsa among 2,067 hospitalist physician records in New York
Robert Chanthavongsa, MD is one of 2,067 hospitalist physician records with a practice address in New York. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 89% of them.
- NPI issued2022 · 89% of these records are older, 3% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2021 · median 2013 among the 1,716 with a school on file
- Record last updated2026 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 hospitalist physician records list a practice address in Poughkeepsie
They are 32 of the 3,701 NPPES records with a practice address in Poughkeepsie, and 2,067 hospitalist physician records in New York.
All 2,067 in New York → Every provider in Poughkeepsie → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Brenda Ayers, MDPoughkeepsie, NY 126011477570992
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- Anil Bhat, MDPoughkeepsie, NY 126011558393223
- Saharat Bhitiyakul, M.D.Poughkeepsie, NY 126011104921295
- Afua Forson, M.D. M.H.SPoughkeepsie, NY 126011740219658
- Hossam Hafez, MDPoughkeepsie, NY 126011255544458
- John Horiszny, MDPoughkeepsie, NY 126011811927312
- Diane Kantaros, MDPoughkeepsie, NY 126011528099736
Common questions
What is Robert Chanthavongsa, MD's NPI number?
Robert Chanthavongsa, MD's National Provider Identifier (NPI) is 1366186876, issued on Apr 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Robert Chanthavongsa, MD located?
The NPPES record lists a practice address at 45 Reade PL, Poughkeepsie, NY, 12601. Phone: (845) 483-6299. Providers update this record themselves, so call before visiting.
How can I verify Robert Chanthavongsa, MD's license?
NPPES lists New York license number 340641, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Chanthavongsa, MD prescribe under Medicare Part D?
In 2024, Robert Chanthavongsa, MD had 62 Medicare Part D claims for 22 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.