ANNA CHRISTINE CASSELL MD, MBA, MPHIL
NPI 1639756430
Hospitalist in Boston, MA
About Anna Christine Cassell Md, Mba, Mphil NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNA CHRISTINE CASSELL MD, MBA, MPHIL (NPI 1639756430) is an individual hospitalist provider in Boston, Massachusetts, licensed in Utah (14207192-1205) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, is affiliated with University Of Utah Hospitals And Clinics, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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
Anna Christine Cassell Md, Mba, Mphil 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 Anna Cassell reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Washakie, WY 82514
- Reassigned Medicare billing, Texas enrollment
- 31 clinicians in this Medicare group
Sandy, UT 84092
- Reassigned Medicare billing, Utah enrollment
- 2,620 clinicians in this Medicare group
Sandy, UT 84092
- Reassigned Medicare billing, Utah enrollment
- 751 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.
University Of Utah Hospitals And Clinics
Acute Care Hospitals · Salt Lake City, UTHoly Cross Hospital-Jordan Valley
Acute Care Hospitals · West Jordan, UTPhysician 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 14
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 Anna Cassell's NPI number?
The NPI number for Anna Cassell is 1639756430. It was assigned to this individual provider in the NPPES registry on March 26, 2021.
Where is Anna Cassell located?
Anna Cassell practices at 75 Francis St Dept Of, Boston, MA 02115. The listed phone number is (617) 732-5775.
What is Anna Cassell's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Anna Cassell enrolled in Medicare?
Yes. Anna Cassell 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 Anna Cassell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anna Cassell reassigns Medicare benefits to 3 organizations: Eastern Shoshone Tribe (Fort Washakie, WY), University Of Utah Adult Services (Sandy, UT) and University Of Utah Pediatric Services (Sandy, UT). 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 Anna Cassell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anna Cassell accept?
Health plans from Blue Cross Blue Shield of Wyoming list Anna Cassell 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 Anna Cassell affiliated with any hospitals?
According to CMS data, Anna Cassell is affiliated with University Of Utah Hospitals And Clinics and Holy Cross Hospital-Jordan Valley.
When was this NPI record last updated?
The NPPES record for Anna Cassell was last updated on March 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.
# Anna Christine Cassell, MD, MBA, MPHIL · NPI 1639756430
Hospitalist physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since March 26, 2021.
## Identity
- **NPI:** 1639756430 (Entity type: Individual)
- **Enumerated:** March 26, 2021
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 14207192-1205 (Utah)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 FRANCIS ST DEPT OF, Boston, MA 02115-6110
- **Phone:** (617) 732-5775
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Eastern Shoshone Tribe (NPI 1770328718, Fort Washakie, WY); University Of Utah Adult Services (NPI 1851904247, Sandy, UT); University Of Utah Pediatric Services (NPI 1386257152, Sandy, UT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** March 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1639756430) · Data from the CMS NPPES public registry.