AMY R O'BRIEN CHARLES MD
NPI 1720440696
Anesthesiology in Boston, MA
About Amy R O'brien Charles Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMY R O'BRIEN CHARLES MD (NPI 1720440696) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (287945) and active in the NPI registry since March 2016. She is enrolled in Medicare PECOS, is affiliated with Wakemed, Raleigh Campus, and is a graduate of Harvard Medical School (2016).
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
Group Practice 1
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
Amy R O'brien Charles 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 Reassignment
Medicare enrollment records show Amy O'brien Charles reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Greenville, NC 27834
- Reassigned Medicare billing, North Carolina enrollment
- 1,097 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wakemed, Raleigh Campus
Acute Care Hospitals · Raleigh, NCWakemed, Cary Hospital
Acute Care Hospitals · Cary, NCOther Providers at the Same Location NPPES 20
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
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 Amy O'brien Charles's NPI number?
The NPI number for Amy O'brien Charles is 1720440696. It was assigned to this individual provider in the NPPES registry on March 22, 2016. The provider is also known as Amy R O'brien.
Where is Amy O'brien Charles located?
Amy O'brien Charles practices at 300 Longwood Ave Boston Children's Hospital, Hunnewell Bldg Pavilion 129, Boston, MA 02115. The listed phone number is (401) 595-0370.
What is Amy O'brien Charles's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Amy O'brien Charles enrolled in Medicare?
Yes. Amy O'brien Charles 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 Amy O'brien Charles's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Amy O'brien Charles reassigns Medicare benefits to East Carolina Anesthesia Associates, PLLC (Greenville, NC). 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 Amy O'brien Charles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Amy O'brien Charles accept?
Health plans from Cigna Healthcare list Amy O'brien Charles 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 Amy O'brien Charles affiliated with any hospitals?
According to CMS data, Amy O'brien Charles is affiliated with Wakemed, Raleigh Campus and Wakemed, Cary Hospital.
When was this NPI record last updated?
The NPPES record for Amy O'brien Charles was last updated on November 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Amy R O'brien Charles, MD · NPI 1720440696
Anesthesiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 22, 2016.
## Identity
- **NPI:** 1720440696 (Entity type: Individual)
- **Enumerated:** March 22, 2016
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 287945 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 300 LONGWOOD AVE, BOSTON CHILDREN'S HOSPITAL, HUNNEWELL BLDG PAVILION 129, Boston, MA 02115-5724
- **Phone:** (401) 595-0370
## 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:** East Carolina Anesthesia Associates, PLLC (NPI 1205996519, Greenville, NC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2016
## Record status
- **NPPES last updated:** November 23, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1720440696) · Data from the CMS NPPES public registry.