DR. ESTHER S. SHAO M.D.
NPI 1154522035
Internal Medicine - Cardiovascular Disease in Scarborough, ME
About Dr. Esther S. Shao M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ESTHER S. SHAO M.D. (NPI 1154522035) is an individual cardiovascular disease provider in Scarborough, Maine, licensed in Maine (MD19834) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Cooley Dickinson Hospital Inc,the, and is a graduate of University Of California, Irvine, California College Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Dr. Esther S. Shao M.d. 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
6Medicare enrollment records show Esther Shao reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Scarborough, ME 04074
- Reassigned Medicare billing, Maine enrollment
- 229 clinicians in this Medicare group
Scarborough, ME 04074
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Mainehealth
- 3,140 clinicians in this Medicare group
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: St Marys Regional Medical Center
- 381 clinicians in this Medicare group
Augusta, ME 04330
- Reassigned Medicare billing, Maine enrollment
- 978 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
- 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.
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cooley Dickinson Hospital Inc,the
Acute Care Hospitals · Northampton, MANorth Shore Medical Center -
Acute Care Hospitals · Salem, MAMassachusetts General Hospital
Acute Care Hospitals · Boston, MAEmerson Hospital -
Acute Care Hospitals · W Concord, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04074 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.
Referred Medical Equipment & Supplies CMS DME claims 8
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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SCARBOROUGH, ME 04074
SCARBOROUGH, ME 04074
SCARBOROUGH, ME 04074
SCARBOROUGH, ME 04074
SCARBOROUGH, ME 04074
SCARBOROUGH, ME 04074
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 Esther Shao's NPI number?
The NPI number for Esther Shao is 1154522035. It was assigned to this individual provider in the NPPES registry on May 30, 2007.
Where is Esther Shao located?
Esther Shao practices at 96 Campus Drive Suite 1, Scarborough, ME 04074. The listed phone number is (207) 885-9905.
What is Esther Shao's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Esther Shao enrolled in Medicare?
Yes. Esther Shao 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 Esther Shao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Esther Shao reassigns Medicare benefits to 6 organizations: Maine Medical Partners (Scarborough, ME), Maine Medical Partners (Scarborough, ME), St. Mary's Regional Medical Center (Lewiston, ME), Mainegeneral Medical Center (Augusta, ME), Massachusetts General Physicians Organization Inc (Boston, MA) and 1 more organization, 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 Esther Shao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Esther Shao accept?
Health plans from Taro Health list Esther Shao 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 Esther Shao affiliated with any hospitals?
According to CMS data, Esther Shao is affiliated with Cooley Dickinson Hospital Inc,the, North Shore Medical Center -, Massachusetts General Hospital, Emerson Hospital - and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Esther Shao was last updated on January 26, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Esther S. Shao, M.D. · NPI 1154522035
Cardiovascular Disease physician in Scarborough, Maine. Individual provider, active in the CMS NPPES registry since May 30, 2007.
## Identity
- **NPI:** 1154522035 (Entity type: Individual)
- **Enumerated:** May 30, 2007
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** MD19834 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 96 CAMPUS DRIVE, SUITE 1, Scarborough, ME 04074
- **Phone:** (207) 885-9905 · **Fax:** (207) 396-5600
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Maine Medical Partners (NPI 1386937175, Scarborough, ME); Maine Medical Partners (NPI 1346687167, Scarborough, ME); St. Mary's Regional Medical Center (NPI 1447226584, Lewiston, ME); Mainegeneral Medical Center (NPI 1083949184, Augusta, ME); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, Irvine, California College Of Medicine, class of 1999
## Record status
- **NPPES last updated:** January 26, 2015
- **Other identifiers:** Medicare PIN 110013956 (MN)
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Source: [NPI Profile](https://npiprofile.com/npi/1154522035) · Data from the CMS NPPES public registry.