OSCAR BENAVIDEZ MD
NPI 1386622603
Pediatrics - Pediatric Cardiology in Boston, MA
About Oscar Benavidez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OSCAR BENAVIDEZ MD (NPI 1386622603) is an individual pediatric cardiology provider in Boston, Massachusetts, licensed in Massachusetts (218780) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Boston Children's Hospital, and is a graduate of Harvard Medical School (1998).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 11
Accepted Insurance
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
Oscar Benavidez 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.
Medicare Billing Reassignments
3Medicare enrollment records show Oscar Benavidez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 220 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Boston Children's Hospital
Childrens · Boston, MAFrequently 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 Benavidez's NPI number?
The NPI number for Oscar Benavidez is 1386622603. It was assigned to this individual provider in the NPPES registry on January 6, 2006.
Where is Oscar Benavidez located?
Oscar Benavidez practices at 175 Cambridge St Ste 510 Massachusetts General Hospital, Boston, MA 02114. The listed phone number is (617) 726-3824.
What is Oscar Benavidez's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.
Is Oscar Benavidez enrolled in Medicare?
Yes. Oscar Benavidez 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 organizations bill Medicare for Oscar Benavidez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oscar Benavidez reassigns Medicare benefits to 3 organizations: Boston Childrens Heart Foundation Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, MA). Each 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 Oscar Benavidez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Oscar Benavidez accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Oscar Benavidez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Oscar Benavidez affiliated with any hospitals?
According to CMS data, Oscar Benavidez is affiliated with Boston Children's Hospital.
When was this NPI record last updated?
The NPPES record for Oscar Benavidez was last updated on January 23, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.
# Oscar Benavidez, MD · NPI 1386622603
Pediatric Cardiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since January 6, 2006.
## Identity
- **NPI:** 1386622603 (Entity type: Individual)
- **Enumerated:** January 6, 2006
- **Primary specialty:** Pediatrics - Pediatric Cardiology · taxonomy 2080P0202X
- **State license:** 218780 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 175 CAMBRIDGE ST STE 510, MASSACHUSETTS GENERAL HOSPITAL, Boston, MA 02114-2794
- **Phone:** (617) 726-3824 · **Fax:** (617) 643-9643
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Boston Childrens Heart Foundation Inc (NPI 1982680922, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 1998
## Record status
- **NPPES last updated:** January 23, 2013
- **Other identifiers:** Other 494159 (MA); Other 96618601 (MA); Medicare ID-Type Unspecified A39351 (MA); and 8 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1386622603) · Data from the CMS NPPES public registry.