MARYBETH U. ALLIAN-SAUER MD
NPI 1477609055
Hospitalist in New Bedford, MA
About Marybeth U. Allian-sauer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARYBETH U. ALLIAN-SAUER MD (NPI 1477609055) is an individual hospitalist provider in New Bedford, Massachusetts, licensed in Massachusetts (277841) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Signature Healthcare Brockton Hospital, and maintains a secondary practice location in Brockton.
NPPES Registry Identity
Specialties & Licenses 3
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
Marybeth U. Allian-sauer 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
16Medicare enrollment records show Marybeth Allian-sauer reassigns Medicare billing to 16 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairhaven, MA 02719
- Reassigned Medicare billing, Massachusetts enrollment
- 1,144 clinicians in this Medicare group
Brockton, MA 02302
- Reassigned Medicare billing, Massachusetts enrollment
- 337 clinicians in this Medicare group
Brockton, MA 02301
- Reassigned Medicare billing, Massachusetts enrollment
- 173 clinicians in this Medicare group
Framingham, MA 01702
- Reassigned Medicare billing, Massachusetts enrollment
- 156 clinicians in this Medicare group
Cambridge, MA 02139
- Reassigned Medicare billing, Massachusetts enrollment
- 719 clinicians in this Medicare group
Melrose, MA 02176
- Reassigned Medicare billing, Massachusetts enrollment
- 176 clinicians in this Medicare group
Lawrence, MA 01841
- Reassigned Medicare billing, Massachusetts enrollment
- 258 clinicians in this Medicare group
Nashua, NH 03060
- Reassigned Medicare billing, New Hampshire enrollment
- 39 clinicians in this Medicare group
Derry, NH 03038
- Reassigned Medicare billing, New Hampshire enrollment
- 150 clinicians in this Medicare group
York, ME 03909
- Reassigned Medicare billing, Maine enrollment
- 347 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Signature Healthcare Brockton Hospital
Acute Care Hospitals · Brockton, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02740 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Marybeth Allian-sauer's NPI number?
The NPI number for Marybeth Allian-sauer is 1477609055. It was assigned to this individual provider in the NPPES registry on January 26, 2007.
Where is Marybeth Allian-sauer located?
Marybeth Allian-sauer practices at 101 Page St, New Bedford, MA 02740. The listed phone number is (508) 973-5919.
What is Marybeth Allian-sauer's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Marybeth Allian-sauer enrolled in Medicare?
Yes. Marybeth Allian-sauer 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 Marybeth Allian-sauer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marybeth Allian-sauer reassigns Medicare benefits to 16 organizations: Southcoast Physicians Group, Inc. (Fairhaven, MA), Sound Physicians Of Massachusetts Inc (Brockton, MA), Sound Physicians Of Massachusetts II PC (Brockton, MA), Hospitalist Physicians Of Massachusetts PC (Framingham, MA), Cambridge Public Health Commission (Cambridge, MA) and 11 more organizations, listed in the Medicare section above. 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 Marybeth Allian-sauer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marybeth Allian-sauer accept?
Health plans from WellSense Health Plan list Marybeth Allian-sauer 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 Marybeth Allian-sauer affiliated with any hospitals?
According to CMS data, Marybeth Allian-sauer is affiliated with Signature Healthcare Brockton Hospital.
When was this NPI record last updated?
The NPPES record for Marybeth Allian-sauer was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 days 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.
# Marybeth U. Allian-Sauer, MD · NPI 1477609055
Hospitalist physician in New Bedford, Massachusetts. Individual provider, active in the CMS NPPES registry since January 26, 2007.
## Identity
- **NPI:** 1477609055 (Entity type: Individual)
- **Enumerated:** January 26, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 277841 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 PAGE ST, New Bedford, MA 02740-3464
- **Phone:** (508) 973-5919 · **Fax:** (508) 973-2916
## 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:** 16 organizations under Medicare reassignment (form CMS-855R): Southcoast Physicians Group, Inc. (NPI 1336137629, Fairhaven, MA); Sound Physicians Of Massachusetts Inc (NPI 1740678408, Brockton, MA); Sound Physicians Of Massachusetts II PC (NPI 1306376397, Brockton, MA); Hospitalist Physicians Of Massachusetts PC (NPI 1376145680, Framingham, MA); Cambridge Public Health Commission (NPI 1487603585, Cambridge, MA); and 11 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 2000
## Record status
- **NPPES last updated:** August 27, 2026
- **Other identifiers:** Other S400580236 (MA); Medicaid 110152981A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1477609055) · Data from the CMS NPPES public registry.