Isabela C. Saba Osta, MD
Internal Medicine Physician · East Providence, RI
Isabela C. Saba Osta, MD is an internal medicine physician with a practice address in East Providence, Rhode Island, and NPI 1891358214, issued on Apr 22, 2019. Check the license (Rhode Island MD18649, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Isabela C. Saba Osta
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD18649 RI
Self-reported in NPPES; status is on the state search - Practice location
- 900 Warren Ave Ste 400, East Providence, RI 02914
- Phone
- (401) 331-1221
- Enumerated
- Apr 22, 2019
- Record last updated
- Jul 25, 2025
- Fax
- (401) 751-8003
- Medicare enrollment
- Enrolled (PECOS I20221027002088); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,033 in Rhode Island → Look up another NPI →
Also registered at 900 Warren Ave Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Clara Brown, LICSWClinical Social Worker1467144493
- Vivian Bui, NPNurse Practitioner1124739057
- Myra Chaudary, D.O.Family Medicine Physician1821478124
- Jeffrey Cumplido, MDInternal Medicine Physician1881008480
- Marianela Delossantos, NPNurse Practitioner1427994888
- Anne-Marie Galvin, RNRegistered Nurse1396254413
Verify Isabela C. Saba Osta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD18649Check 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% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,774 Medicare Part D claims for 148 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Atorvastatin Calcium208 claims
- Losartan Potassium142 claims
- Amlodipine Besylate107 claims
- Metformin Hcl107 claims
- Trulicity102 claims
- Jardiance101 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 2 group practices
- Coastal Medical Physicians IncEast Providence, RI
- The Providence Community Health Centers Inc.Providence, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Isabela C. Saba Osta among 1,033 internal medicine physician records in Rhode Island
Isabela C. Saba Osta, MD is one of 1,033 internal medicine physician records with a practice address in Rhode Island. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 71% of them.
- NPI issued2019 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2013 · median 2006 among the 590 with a school on file
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
35 internal medicine physician records list a practice address in East Providence
They are 35 of the 779 NPPES records with a practice address in East Providence, and 1,033 internal medicine physician records in Rhode Island.
All 1,033 in Rhode Island → Every provider in East Providence → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Herman Ayvazyan, MDEast Providence, RI 029141417910555
- Rajnish Bansal, MDEast Providence, RI 029141417944190
- Charles Brex, MDEast Providence, RI 029141407840903
- Suzanne Burns, MDEast Providence, RI 029141144217829
- Diane Gerzevitz, NPPEast Providence, RI 029141407810096
- Steven Kempner, MDEast Providence, RI 029141780671149
- Audrey Kupchan, MDEast Providence, RI 029141609863125
- Alex Mandel, M.D.East Providence, RI 029141497736581
Common questions
What is Isabela C. Saba Osta, MD's NPI number?
Isabela C. Saba Osta, MD's National Provider Identifier (NPI) is 1891358214, issued on Apr 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Isabela C. Saba Osta, MD located?
The NPPES record lists a practice address at 900 Warren Ave Ste 400, East Providence, RI, 02914. Phone: (401) 331-1221. Providers update this record themselves, so call before visiting.
How can I verify Isabela C. Saba Osta, MD's license?
NPPES lists Rhode Island license number MD18649, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Isabela C. Saba Osta, MD prescribe under Medicare Part D?
In 2024, Isabela C. Saba Osta, MD had 1,774 Medicare Part D claims for 148 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.