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OSCAR EDUARDO REYES GAIDO MD, PHD
NPI 1336656032
Internal Medicine in Boston, MA

Active since January 03, 2018PECOS Enrolled
75 FRANCIS ST, BOSTON, MA 02115(617) 732-5775 Get Directions Write a Review

NPPES record last updated: April 29, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Oscar Eduardo Reyes Gaido Md, Phd NPPES

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

OSCAR EDUARDO REYES GAIDO MD, PHD (NPI 1336656032) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (3017203) and active in the NPI registry since January 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1336656032
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameOSCAR EDUARDO REYES GAIDOCredential: MD, PHD
Location Address75 FRANCIS STBoston, MA 02115-6110
Mailing Address75 Francis StBoston, MA 02115-6110 · (617) 732-5775
Phone(617) 732-5775
Sole ProprietorNo
Enumeration DateJanuary 3, 2018
Last NPPES UpdateApril 29, 2025
NPPES CertifiedApril 29, 2025
✔ NPI 1336656032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 3017203
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
75 FRANCIS ST, Boston, MA 02115
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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)

Oscar Eduardo Reyes Gaido Md, Phd 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 02115 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

RUMA RAJBHANDARI
Internal Medicine (Gastroenterology)
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 525-6841
WENYA LINDA BI
Neurological Surgery
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (203) 645-9485
CHI YUEN CHAN M.D.
Student in an Organized Health Care Education/Training Program
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 732-5500
JENNIFER MICHELLE THOMAS MD
Radiology (Diagnostic Radiology)
75 FRANCIS ST, DEPARTMENT OF RADIOLOGY
BOSTON, MA 02115
Suffolk County (617) 732-6248
GAURAV SHARMA M.D.
Surgery (Vascular Surgery)
75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL
BOSTON, MA 02115
Suffolk County (951) 259-0890
DR. EUGENE RICHARDSON MD
Internal Medicine (Infectious Disease)
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 732-8881
YEU-SHIN CINDY CHANG M.D., M.P.H.
Emergency Medicine
75 FRANCIS ST, BWH DEPT. OF EMERGENCY MEDICINE
BOSTON, MA 02115
Suffolk County (617) 732-8070
CARA L RICHARDS
Physician Assistant
75 FRANCIS ST
BOSTON, MA 02115
Suffolk County (617) 732-5500

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 Oscar Reyes Gaido's NPI number?

The NPI number for Oscar Reyes Gaido is 1336656032. It was assigned to this individual provider in the NPPES registry on January 3, 2018.

Where is Oscar Reyes Gaido located?

Oscar Reyes Gaido practices at 75 Francis St, Boston, MA 02115. The listed phone number is (617) 732-5775.

What is Oscar Reyes Gaido's specialty?

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

Is Oscar Reyes Gaido enrolled in Medicare?

Yes. Oscar Reyes Gaido is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Oscar Reyes Gaido was last updated on April 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.