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ISABELA C. SABA OSTA MD
NPI 1891358214
Internal Medicine in East Providence, RI

Active since April 22, 2019PECOS EnrolledAccepts Medicare Assignment
900 WARREN AVE STE 400, EAST PROVIDENCE, RI 02914(401) 331-1221(401) 751-8003 Get Directions Write a Review

NPPES record last updated: July 25, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 14, 2025, Oct 11, 2024, Jul 25, 2022 and 1 more (4 updates tracked since 2019).

About Isabela C. Saba Osta Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ISABELA C. SABA OSTA MD (NPI 1891358214) is an individual internal medicine provider in East Providence, Rhode Island, licensed in Rhode Island (MD18649) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Newport Hospital, and maintains a secondary practice location in Providence.

NPPES Registry Identity

NPI1891358214
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameISABELA C. SABA OSTACredential: MD
Location Address900 WARREN AVE STE 400East Providence, RI 02914-1430
Mailing Address10 Davol Sq Ste 300Providence, RI 02903-4754 · (401) 444-6779 · Fax (401) 444-6912
Phone(401) 331-1221
Fax(401) 751-8003
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateApril 22, 2019
Last NPPES UpdateJuly 25, 20254 updates tracked since enumeration
NPPES CertifiedJuly 25, 2025
✔ NPI 1891358214 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in RI · MD18649
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
900 WARREN AVE STE 400, East Providence, RI 02914
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Secondary Practice Location 1

Location 11 Warren WayProvidence, RI 02905-5000 · Phone (401) 444-0530 · Fax (401) 444-0423

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Isabela C. Saba Osta Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305213729
PECOS Enrollment IDI20221027002088
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Isabela Saba Osta reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Coastal Medical Physicians, Inc.
1.0 mi
Internal Medicine
375 WAMPANOAG TRL
Riverside, RI 02915
  • Reassigned Medicare billing, Rhode Island enrollment
  • 268 clinicians in this Medicare group
NPI 1093678104 (401) 649-4000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Newport Hospital

Acute Care Hospitals · Newport, RI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410006
Location11 Friendship StreetNewport, RI 02840 · Newport County
Emergency services Birthing friendly

Rhode Island Hospital

Acute Care Hospitals · Providence, RI
3/5 CMS rating
OwnershipTribal
CMS Certification Number410007
Location593 Eddy StreetProvidence, RI 02903 · Providence County
Emergency services

The Miriam Hospital

Acute Care Hospitals · Providence, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410012
Location164 Summit AvenueProvidence, RI 02906 · Providence County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02914 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KAREN R. SMIGEL MD
Family Medicine
900 WARREN AVE STE 400
EAST PROVIDENCE, RI 02914
Providence County (401) 331-1221
VIVIAN NGOC-VY BUI NP
Nurse Practitioner
900 WARREN AVE STE 400
EAST PROVIDENCE, RI 02914
Providence County (401) 331-1221
LAURA ELIZABETH TAVARES ARNP
Nurse Practitioner (Primary Care)
900 WARREN AVE STE 400
EAST PROVIDENCE, RI 02914
Providence County (401) 331-1221
TONI E HARRIS RN
Registered Nurse
900 WARREN AVE STE 400
EAST PROVIDENCE, RI 02914
Providence County (401) 331-1221
MS. ANNE-MARIE GALVIN RN
Registered Nurse
900 WARREN AVE STE 400
EAST PROVIDENCE, RI 02914
Providence County (401) 330-2499
MARIANELA DELOSSANTOS NP
Nurse Practitioner
900 WARREN AVE STE 400
EAST PROVIDENCE, RI 02914
Providence County (401) 331-1221
CLARA BROWN LICSW
Social Worker (Clinical)
900 WARREN AVE STE 400
EAST PROVIDENCE, RI 02914
Providence County (401) 421-4000
DR. KIMBERLY ANN ZELLER M.D.
Family Medicine
900 WARREN AVE STE 400
EAST PROVIDENCE, RI 02914
Providence County (401) 331-1221

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Isabela Saba Osta's NPI number?

The NPI number for Isabela Saba Osta is 1891358214. It was assigned to this individual provider in the NPPES registry on April 22, 2019.

Where is Isabela Saba Osta located?

Isabela Saba Osta practices at 900 Warren Ave Ste 400, East Providence, RI 02914. The listed phone number is (401) 331-1221.

What is Isabela Saba Osta's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Isabela Saba Osta enrolled in Medicare?

Yes. Isabela Saba Osta is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Isabela Saba Osta's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isabela Saba Osta reassigns Medicare benefits to Coastal Medical Physicians, Inc. (Riverside, RI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Isabela Saba Osta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Isabela Saba Osta affiliated with any hospitals?

According to CMS data, Isabela Saba Osta is affiliated with Newport Hospital, Rhode Island Hospital and The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for Isabela Saba Osta was last updated on July 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.