MARIANA OLIVEIRA DE CASTRO ALVES MD
NPI 1073493789
Internal Medicine in Providence, RI

Q: What is Mariana Oliveira De Castro Alves's NPI number?

The NPI number for Mariana Oliveira De Castro Alves is 1073493789. It was assigned to this individual provider in the NPPES registry on September 3, 2025.

Q: What is Mariana Oliveira De Castro Alves's specialty?

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

Active since September 03, 2025PECOS Enrolled

825 CHALKSTONE AVE, PROVIDENCE, RI 02908(401) 456-2000 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Mariana Oliveira De Castro Alves Md NPPES

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

MARIANA OLIVEIRA DE CASTRO ALVES MD (NPI 1073493789) is an individual internal medicine provider in Providence, Rhode Island, licensed in Rhode Island (LP06753) and active in the NPI registry since September 2025. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1073493789

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMARIANA OLIVEIRA DE CASTRO ALVESCredential: MD

Location Address825 CHALKSTONE AVEProvidence, RI 02908-4728

Mailing Address19 Arbor CtEast Walpole, MA 02032-1039 · (781) 379-7886

Phone(401) 456-2000

Sole ProprietorNo

Enumeration DateSeptember 3, 2025

Last NPPES UpdateSeptember 4, 2025

NPPES CertifiedSeptember 4, 2025

✔ NPI 1073493789 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 · LP06753

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.

825 CHALKSTONE AVE, Providence, RI 02908

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mariana Oliveira De Castro Alves Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02908 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 20

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

DR. TODD F ROBERTS MD

Internal Medicine (Medical Oncology)

825 CHALKSTONE AVE
PROVIDENCE, RI 02908

Providence County (401) 456-6565

DR. WILLIAM ARTHUR YELLE MD

Anesthesiology

825 CHALKSTONE AVE
PROVIDENCE, RI 02908

Providence County (401) 456-2000

IAN M JACOBSON MD

Emergency Medicine

825 CHALKSTONE AVE
PROVIDENCE, RI 02908

Providence County (330) 493-4443

PROSPECT CHARTERCARE RWMC, LLC

General Acute Care Hospital

825 CHALKSTONE AVE
PROVIDENCE, RI 02908

Providence County (401) 456-2000

N PETER LIBBEY M.D.

Pathology (Anatomic Pathology)

825 CHALKSTONE AVE, ROGER WILLIAMS MEDICAL CENTER/PATHOLOGY DEPT.
PROVIDENCE, RI 02908

Providence County (401) 456-2162

GARRICK MARK WHITLOCK CRNA

Nurse Anesthetist, Certified Registered

825 CHALKSTONE AVE
PROVIDENCE, RI 02908

Providence County (401) 456-2000

DR. JOHN WESLEY PATRESAN MD

Internal Medicine (Hematology & Oncology)

825 CHALKSTONE AVE
PROVIDENCE, RI 02908

Providence County (401) 456-2000

VALERIE JEAN ZUERCHER

Social Worker (Clinical)

825 CHALKSTONE AVE
PROVIDENCE, RI 02908

Providence County (401) 456-4807

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 Mariana Oliveira De Castro Alves's NPI number?

The NPI number for Mariana Oliveira De Castro Alves is 1073493789. It was assigned to this individual provider in the NPPES registry on September 3, 2025.

Where is Mariana Oliveira De Castro Alves located?

Mariana Oliveira De Castro Alves practices at 825 Chalkstone Ave, Providence, RI 02908. The listed phone number is (401) 456-2000.

What is Mariana Oliveira De Castro Alves's specialty?

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

Is Mariana Oliveira De Castro Alves enrolled in Medicare?

Yes. Mariana Oliveira De Castro Alves is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mariana Oliveira De Castro Alves was last updated on September 4, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.