Shamanthy Ratnasingam, M.D
Hospitalist Physician · Middletown, NY
Shamanthy Ratnasingam, M.D is a hospitalist physician with a practice address in Middletown, New York, and NPI 1184076507, issued on Jul 9, 2016. Check the license (New York 299495, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Shamanthy Ratnasingam
- Credential
- M.D
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 299495 NY
Self-reported in NPPES; status is on the state search - Practice location
- 155 Crystal Run RD, Middletown, NY 10941
- Phone
- (845) 703-6999
- Enumerated
- Jul 9, 2016
- Record last updated
- Jun 21, 2026
- Fax
- (845) 703-6297
- Medicare enrollment
- Enrolled (PECOS I20190926002012); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 2,067 in New York → Look up another NPI →
Also registered at 155 Crystal Run RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leena Abdelrahman, MDInternal Medicine Physician1467912576
- Vindya Achuthan, MDInternal Medicine Physician1114104619
- Goustina Adly, DOHospitalist Physician1689051054
- Mohamed Hesham Esmat Ahmed Khorshid, MDInternal Medicine Physician1992443709
- Rubina Akhter, MDHospitalist Physician1265694020
- Josephine Amarosa, ANP, BCAdult Health Nurse Practitioner1699768937
Verify Shamanthy Ratnasingam 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 299495Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% more Medicare Part D claims than the average hospitalist physician in 2024
751 Medicare Part D claims for 358 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate35 claims
- Amoxicillin-Clavulanate Potass33 claims
- Pantoprazole Sodium31 claims
- Eliquis29 claims
- Metoprolol Succinate28 claims
- Atorvastatin Calcium27 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
5 hospitals and group practices
- Nicholas H Noyes Memorial HospitalDansville, NY · Acute Care Hospitals3 of 5 stars
- St James HospitalHornell, NY · Acute Care Hospitals3 of 5 stars
- Central Suffolk HospitalRiverhead, NY
- Crystal Run Healthcare Physicians LLPMiddletown, NY
- Southwest Suffolk Medical PCWest Islip, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Shamanthy Ratnasingam among 2,067 hospitalist physician records in New York
Shamanthy Ratnasingam, M.D 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 2016, is newer than 53% of them.
- NPI issued2016 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated2016 · 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).
65 hospitalist physician records list a practice address in Middletown
They are 65 of the 2,682 NPPES records with a practice address in Middletown, and 2,067 hospitalist physician records in New York.
All 2,067 in New York → Every provider in Middletown → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Rubina Akhter, MDMiddletown, NY 109411265694020
- Funsho Busari-Alabi, MDMiddletown, NY 109411023062106
- Hui Deng, MDMiddletown, NY 109411194703165
- Suleman Khawaja, M.D.Middletown, NY 109411457333635
- Sajid Mir, MDMiddletown, NY 109411275655565
- Irem Nasir, M.D.Middletown, NY 109411205018124
- Sami Osman, MDMiddletown, NY 109411225235385
- Niranjan Patel, MDMiddletown, NY 109411043487978
Common questions
What is Shamanthy Ratnasingam, M.D's NPI number?
Shamanthy Ratnasingam, M.D's National Provider Identifier (NPI) is 1184076507, issued on Jul 9, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Shamanthy Ratnasingam, M.D located?
The NPPES record lists a practice address at 155 Crystal Run RD, Middletown, NY, 10941. Phone: (845) 703-6999. Providers update this record themselves, so call before visiting.
How can I verify Shamanthy Ratnasingam, M.D's license?
NPPES lists New York license number 299495, 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 Shamanthy Ratnasingam, M.D prescribe under Medicare Part D?
In 2024, Shamanthy Ratnasingam, M.D had 751 Medicare Part D claims for 358 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Shamanthy Ratnasingam, M.D's MIPS final score?
The 2023 MIPS final score is 82.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.