TERESA WEEKS SIROIS FNP
NPI 1396779757
Nurse Practitioner - Family in Topsham, ME

Active since July 10, 2006PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
105 TOPSHAM FAIR MALL RD UNIT 1, TOPSHAM, ME 04086(207) 303-3300(207) 250-2137 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 21, 2026, Nov 6, 2025, Feb 20, 2025 and 3 more (6 updates tracked since 2017).

About Teresa Weeks Sirois Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TERESA WEEKS SIROIS FNP (NPI 1396779757) is an individual family provider in Topsham, Maine, licensed in Maine (CNP81326) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Mid Coast Hospital, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1396779757
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameTERESA WEEKS SIROISCredential: FNP
Location Address105 TOPSHAM FAIR MALL RD UNIT 1Topsham, ME 04086-1773
Mailing AddressPo Box 911Brattleboro, VT 05302-0911 · (207) 303-3200 · Fax (207) 250-2140
Fax(207) 250-2137
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateJuly 10, 2006
Last NPPES UpdateApril 21, 20266 updates tracked since enumeration
NPPES CertifiedApril 21, 2026
NPI 1396779757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in ME · CNP81326
Also ListedEmergency MedicineTaxonomy 207P00000X · License 044600 (ME)
Also ListedNurse PractitionerTaxonomy 363L00000X · License CNP81326 (ME)
105 TOPSHAM FAIR MALL RD UNIT 1, Topsham, ME 04086

Other Names 1

Former Name (1)Teresa Marie Weeks Fnp

Secondary Practice Locations 3

Location 115 Rock Row Ste 110Westbrook, ME 04092-4877 · Phone (207) 303-3300
Location 211 Rock Row Ste 120Westbrook, ME 04092-4877 · Phone (207) 303-3300 · Fax (207) 250-2139
Location 32 Independence DrKennebunk, ME 04043-6078 · Phone (207) 303-3300 · Fax (207) 250-2144

Other Identifiers 2

Other010453642ME · Mednet
Medicaid268010099ME

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Teresa Weeks Sirois Fnp 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.

PECOS PAC ID6103829627
PECOS Enrollment IDI20060822000487
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
120 services80 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
55 services46 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
53 services45 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
42 services37 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
39 services31 patients
Infusion, normal saline solution , 1000 cc J7030
An infusion of normal saline solution, 1000 cc, is a common medical procedure. It involves introducing a saltwater solution into your bloodstream via an intravenous (IV) line. This helps to hydrate your body, correct electrolyte imbalances, and deliver medications if needed.
21 services17 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mid Coast Hospital

Acute Care Hospitals · Brunswick, ME
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200021
Location123 Medical Center DriveBrunswick, ME 04011 · Cumberland County
Emergency services Birthing friendly

Central Maine Medical Center

Acute Care Hospitals · Lewiston, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200024
Location300 Main StreetLewiston, ME 04240 · Androscoggin County
Emergency services Birthing friendly

Lincolnhealth

Critical Access Hospitals · Damariscotta, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number201302
Location35 Miles StreetDamariscotta, ME 04543 · Lincoln County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04086 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.58 typical visit price
range $53.26 – $162.77
Typical copayment $20.64 (range $13.31 – $40.69)
Most-billed visit code 99203
Established Patient
$94.60 typical visit price
range $16.90 – $132.79
Typical copayment $23.65 (range $4.22 – $33.19)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Internal Medicine (Hematology & Oncology)
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Internal Medicine (Hematology & Oncology)
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Social Worker (Clinical)
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Durable Medical Equipment & Medical Supplies
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Physician Assistant
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Internal Medicine (Hematology & Oncology)
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086
Nurse Practitioner
105 TOPSHAM FAIR MALL RD UNIT 1
TOPSHAM, ME 04086

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 Teresa Sirois's NPI number?

The NPI number for Teresa Sirois is 1396779757. It was assigned to this individual provider in the NPPES registry on July 10, 2006. The provider is also known as Teresa Marie Weeks Fnp.

Where is Teresa Sirois located?

Teresa Sirois practices at 105 Topsham Fair Mall Rd Unit 1, Topsham, ME 04086. The listed phone number is (207) 303-3300.

What is Teresa Sirois's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Teresa Sirois enrolled in Medicare?

Yes. Teresa Sirois 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.

What insurance does Teresa Sirois accept?

Health plans from WellSense Health Plan list Teresa Sirois 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 Teresa Sirois affiliated with any hospitals?

According to CMS data, Teresa Sirois is affiliated with Mid Coast Hospital, Central Maine Medical Center and Lincolnhealth.

When was this NPI record last updated?

The NPPES record for Teresa Sirois was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.