ALANNA KRISTINA SIEGAL
NPI 1952164139
Nurse Practitioner in Boston, MA
About Alanna Kristina Siegal NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALANNA KRISTINA SIEGAL (NPI 1952164139) is an individual nurse practitioner in Boston, Massachusetts, licensed in Massachusetts (2023168257) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (2023).
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
Alanna Kristina Siegal 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
2Medicare enrollment records show Alanna Siegal reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 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.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Alanna Siegal's NPI number?
The NPI number for Alanna Siegal is 1952164139. It was assigned to this individual provider in the NPPES registry on January 31, 2024.
Where is Alanna Siegal located?
Alanna Siegal practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-2000.
What is Alanna Siegal's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Alanna Siegal enrolled in Medicare?
Yes. Alanna Siegal 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 Alanna Siegal's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alanna Siegal reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (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 Alanna Siegal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alanna Siegal accept?
Health plans from Taro Health list Alanna Siegal 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 Alanna Siegal affiliated with any hospitals?
According to CMS data, Alanna Siegal is affiliated with Massachusetts General Hospital and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Alanna Siegal was last updated on January 31, 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.
# Alanna Kristina Siegal · NPI 1952164139
Nurse Practitioner physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since January 31, 2024.
## Identity
- **NPI:** 1952164139 (Entity type: Individual)
- **Enumerated:** January 31, 2024
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 2023168257 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2621
- **Phone:** (617) 726-2000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** January 31, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1952164139) · Data from the CMS NPPES public registry.