Sadhis Rivas, MD
Endocrinology, Diabetes & Metabolism Physician · Brewster, NY
Sadhis Rivas, MD is an endocrinology, diabetes & metabolism physician with a practice address in Brewster, New York, and NPI 1659445427, issued on Nov 20, 2006. Check the license (New York 161375, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Sadhis Rivas
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 161375 NY
Self-reported in NPPES; status is on the state search - Practice location
- 111 Clock Tower Cmns, Brewster, NY 10509
- Phone
- (845) 279-5187
- Enumerated
- Nov 20, 2006
- Record last updated
- Jan 28, 2026
- Fax
- (855) 703-7570
- Medicaid ID
- 01013432 NY
- Medicare enrollment
- Enrolled (PECOS I20040522000008); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →
Also registered at 111 Clock Tower Cmns
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Castiglia, M.D.Family Medicine Physician1457326845
- Maddipoti Choudry, M.D.Cardiovascular Disease Physician1053398495
- Justin Chua, MDFamily Medicine Physician1154856755
- Nicole Cruci, NPFamily Nurse Practitioner1710348263
- Bernadette Dwyer, NPFamily Nurse Practitioner1336523851
- Jamie FontanaPhysician Assistant1396507711
Verify Sadhis Rivas 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 161375Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
3,408 Medicare Part D claims for 340 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Levothyroxine Sodium512 claims
- Metformin Hcl241 claims
- Repaglinide213 claims
- Ozempic179 claims
- Glimepiride160 claims
- Novolog Flexpen138 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.
Industry payments in 2024: $357.12
16 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Northern Medical Group, PLLCBrewster, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sadhis Rivas among 970 endocrinology, diabetes & metabolism physician records in New York
Sadhis Rivas, MD is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 57% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1981 · median 2004 among the 694 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in New York
There are 970 endocrinology, diabetes & metabolism physician records in New York.
All 970 in New York → Every provider in Brewster → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Keerti Murari, M.D.Brewster, NY 105091700271970
- Monica Gupta, MDBriarcliff Manor, NY 105101821351867
- Alfredo Dascanio, MDChappaqua, NY 105141629094511
- Kay Lovig, M.D.Armonk, NY 105041962616284
- Lyudmila Shvets, MDArmonk, NY 105041922379890
- Sunita Ravikumar, MDDobbs Ferry, NY 105221376602797
- Samrah Siddiqui, MDElmsford, NY 105231760077960
- Anna Camellia Schiwek, M.D.Harrison, NY 105281891990255
Common questions
What is Sadhis Rivas, MD's NPI number?
Sadhis Rivas, MD's National Provider Identifier (NPI) is 1659445427, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sadhis Rivas, MD located?
The NPPES record lists a practice address at 111 Clock Tower Cmns, Brewster, NY, 10509. Phone: (845) 279-5187. Providers update this record themselves, so call before visiting.
How can I verify Sadhis Rivas, MD's license?
NPPES lists New York license number 161375, 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 Sadhis Rivas, MD prescribe under Medicare Part D?
In 2024, Sadhis Rivas, MD had 3,408 Medicare Part D claims for 340 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.