CASEY HAMILTON MD
NPI 1881124022
Anesthesiology in Newton, MA
About Casey Hamilton Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASEY HAMILTON MD (NPI 1881124022) is an individual anesthesiology provider in Newton, Massachusetts, licensed in Massachusetts (271197) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, is affiliated with Newton-wellesley Hospital, and is a graduate of University Of Massachusetts Medical School (2017).
NPPES Registry Identity
Specialties & Licenses
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
Casey Hamilton 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 Casey Hamilton reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 116 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.
Areas of Expertise CMS Part B claims 9
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.
Newton-Wellesley Hospital
Acute Care Hospitals · Newton, MAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEWTON, MA 02462
NEWTON, MA 02462
NEWTON, MA 02462
NEWTON, MA 02462
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 Casey Hamilton's NPI number?
The NPI number for Casey Hamilton is 1881124022. It was assigned to this individual provider in the NPPES registry on June 19, 2017.
Where is Casey Hamilton located?
Casey Hamilton practices at 2014 Washington St, Newton, MA 02462. The listed phone number is (617) 243-6298.
What is Casey Hamilton's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Casey Hamilton enrolled in Medicare?
Yes. Casey Hamilton 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 Casey Hamilton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Casey Hamilton reassigns Medicare benefits to 3 organizations: Commonwealth Anesthesia Associates, Inc (Newton, 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 Casey Hamilton's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Casey Hamilton affiliated with any hospitals?
According to CMS data, Casey Hamilton is affiliated with Newton-Wellesley Hospital.
When was this NPI record last updated?
The NPPES record for Casey Hamilton was last updated on July 10, 2023. 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.
# Casey Hamilton, MD · NPI 1881124022
Anesthesiology physician in Newton, Massachusetts. Individual provider, active in the CMS NPPES registry since June 19, 2017.
## Identity
- **NPI:** 1881124022 (Entity type: Individual)
- **Enumerated:** June 19, 2017
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 271197 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 2014 WASHINGTON ST, Newton, MA 02462-1607
- **Phone:** (617) 243-6298
## 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): Commonwealth Anesthesia Associates, Inc (NPI 1184645194, Newton, 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:** University Of Massachusetts Medical School, class of 2017
## Record status
- **NPPES last updated:** July 10, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1881124022) · Data from the CMS NPPES public registry.