REBECCA MARLENE BARON MD
NPI 1861458515
Internal Medicine - Pulmonary Disease in Boston, MA
About Rebecca Marlene Baron Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REBECCA MARLENE BARON MD (NPI 1861458515) is an individual pulmonary disease provider in Boston, Massachusetts, licensed in Massachusetts (150708) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Brigham And Women's Hospital, and is a graduate of Harvard Medical School (1994).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Rebecca Marlene Baron 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Brigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician 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.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Rebecca Baron's NPI number?
The NPI number for Rebecca Baron is 1861458515. It was assigned to this individual provider in the NPPES registry on April 21, 2006.
Where is Rebecca Baron located?
Rebecca Baron practices at 75 Francis Street Pbb Clinics 3 Brigham And Women's Hospital Pulmonary Division, Boston, MA 02115. The listed phone number is (617) 732-7420.
What is Rebecca Baron's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Rebecca Baron enrolled in Medicare?
Yes. Rebecca Baron 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.
What insurance does Rebecca Baron accept?
Health plans from Anthem Blue Cross and Blue Shield list Rebecca Baron 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 Rebecca Baron affiliated with any hospitals?
According to CMS data, Rebecca Baron is affiliated with Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Rebecca Baron was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.
# Rebecca Marlene Baron, MD · NPI 1861458515
Pulmonary Disease physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 21, 2006.
## Identity
- **NPI:** 1861458515 (Entity type: Individual)
- **Enumerated:** April 21, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** 150708 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 FRANCIS STREET PBB CLINICS 3, BRIGHAM AND WOMEN'S HOSPITAL PULMONARY DIVISION, Boston, MA 02115
- **Phone:** (617) 732-7420
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Harvard Medical School, class of 1994
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1861458515) · Data from the CMS NPPES public registry.