CHRISTOPHER J HANSEN D.O
NPI 1366887333
Anesthesiology in Boston, MA
About Christopher J Hansen D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER J HANSEN D.O (NPI 1366887333) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (275553) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains a secondary practice location in Boston.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 1
Other Identifiers 2
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
Christopher J Hansen D.o 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
4Medicare enrollment records show Christopher Hansen reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 246 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
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 128 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.
Massachusetts General Hospital
Acute Care Hospitals · Boston, 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.
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
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 Christopher Hansen's NPI number?
The NPI number for Christopher Hansen is 1366887333. It was assigned to this individual provider in the NPPES registry on May 5, 2013. The provider is also known as Christopher John Hansen Do.
Where is Christopher Hansen located?
Christopher Hansen practices at 1 Boston Medical Ctr Pl, Boston, MA 02118. The listed phone number is (617) 638-6950.
What is Christopher Hansen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Christopher Hansen enrolled in Medicare?
Yes. Christopher Hansen 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 Christopher Hansen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Hansen reassigns Medicare benefits to 4 organizations: Pratt Anesthesiology Associates, Inc (Boston, MA), The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA) and The Shriners' Hospital For Children (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 Christopher Hansen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Hansen accept?
Health plans from Taro Health list Christopher Hansen 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 Christopher Hansen affiliated with any hospitals?
According to CMS data, Christopher Hansen is affiliated with Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Christopher Hansen was last updated on April 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Christopher J Hansen, D.O · NPI 1366887333
Anesthesiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 5, 2013.
## Identity
- **NPI:** 1366887333 (Entity type: Individual)
- **Enumerated:** May 5, 2013
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 275553 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BOSTON MEDICAL CTR PL, Boston, MA 02118-2908
- **Phone:** (617) 638-6950 · **Fax:** (617) 638-6966
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Pratt Anesthesiology Associates, Inc (NPI 1326085390, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The Shriners' Hospital For Children (NPI 1366886525, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New England, College Of Osteo Medicine, class of 2013
## Record status
- **NPPES last updated:** April 3, 2024
- **Other identifiers:** Medicaid 3129770 (NH); Medicaid 110107746A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1366887333) · Data from the CMS NPPES public registry.