DR. SIENNA LIBERTY MORAN MD
NPI 1225245111
Internal Medicine in Boston, MA
About Dr. Sienna Liberty Moran Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SIENNA LIBERTY MORAN MD (NPI 1225245111) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (229121) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Southside Hospital, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (2006).
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
Dr. Sienna Liberty Moran 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 Sienna Moran reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 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 6
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ns/Lij Hs Southside Hospital
Acute Care Hospitals · Bay Shore, NYNorth Shore University Hospital
Acute Care Hospitals · Manhasset, NYPlainview Hospital
Acute Care Hospitals · Plainview, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Sienna Moran's NPI number?
The NPI number for Sienna Moran is 1225245111. It was assigned to this individual provider in the NPPES registry on May 17, 2007.
Where is Sienna Moran located?
Sienna Moran practices at 750 Washington St, Tufts-Nemc Dept Of Internal Medicine, Boston, MA 02111. The listed phone number is (617) 636-5000.
What is Sienna Moran's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sienna Moran enrolled in Medicare?
Yes. Sienna Moran 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 Sienna Moran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sienna Moran reassigns Medicare benefits to North Shore-Lij Medical PC (Great Neck, NY). 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 Sienna Moran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sienna Moran affiliated with any hospitals?
According to CMS data, Sienna Moran is affiliated with Ns/Lij Hs Southside Hospital, North Shore University Hospital and Plainview Hospital.
When was this NPI record last updated?
The NPPES record for Sienna Moran was last updated on May 22, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Dr. Sienna Liberty Moran, MD · NPI 1225245111
Internal Medicine physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 17, 2007.
## Identity
- **NPI:** 1225245111 (Entity type: Individual)
- **Enumerated:** May 17, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 229121 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 750 WASHINGTON ST, TUFTS-NEMC, DEPT OF INTERNAL MEDICINE, Boston, MA 02111
- **Phone:** (617) 636-5000
## 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:** North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Stony Brook, School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** May 22, 2009
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Source: [NPI Profile](https://npiprofile.com/npi/1225245111) · Data from the CMS NPPES public registry.