MARY ELLEN DAVIS
NPI 1215917919
Nurse Practitioner in Lewiston, ME

Active since January 19, 2006PECOS EnrolledAccepts Medicare Assignment
83.95/100
CMS Quality Rating
12 HIGH ST, STE 400, LEWISTON, ME 04240(207) 795-5700(207) 795-5727 Get Directions Write a Review

NPPES record last updated: September 20, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mary Ellen Davis NPPES

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

MARY ELLEN DAVIS (NPI 1215917919) is an individual nurse practitioner in Lewiston, Maine, licensed in Maine (R026808) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Central Maine Medical Center, and is a graduate of Other (1996).

NPPES Registry Identity

NPI1215917919
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMARY ELLEN DAVIS
Location Address12 HIGH ST, STE 400Lewiston, ME 04240-7634
Mailing Address12 High St, Ste 400Lewiston, ME 04240-7634 · (207) 795-5700 · Fax (207) 795-5727
Fax(207) 795-5727
Sole ProprietorNo
Medical School CMSOtherGraduated 1996
Enumeration DateJanuary 19, 2006
Last NPPES UpdateSeptember 20, 2010
NPI 1215917919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License Licensed in ME · R026808
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
12 HIGH ST, Lewiston, ME 04240

Other Identifiers 2

Medicare UPINS33585ME
Medicare ID-Type UnspecifiedNP0704ME

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

Mary Ellen Davis 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 ID7416080999
PECOS Enrollment IDI20100804000700
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 4

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.
277 services134 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
48 services48 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
30 services27 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.
24 services22 patients

Hospital Affiliations CMS Care Compare

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04240 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.

83.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality60.69
Promoting Interoperability98
Improvement Activities40
Cost70.81

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
7 suppliers17 claims53 services$6.11 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers20 claims20 services$94.79 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$32.53 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Otolaryngology
12 HIGH ST, STE 102
LEWISTON, ME 04240
Surgery (Trauma Surgery)
12 HIGH ST, STE. 401
LEWISTON, ME 04240
Pharmacist
12 HIGH ST
LEWISTON, ME 04240
Internal Medicine
12 HIGH ST, STE 400
LEWISTON, ME 04240
Physician Assistant
12 HIGH ST, STE. 401
LEWISTON, ME 04240
Otolaryngology
12 HIGH ST, STE. 102
LEWISTON, ME 04240
Pediatrics
12 HIGH ST, STE 301
LEWISTON, ME 04240
Obstetrics & Gynecology
12 HIGH ST, SUITE 200
LEWISTON, ME 04240

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 Mary Ellen Davis's NPI number?

The NPI number for Mary Ellen Davis is 1215917919. It was assigned to this individual provider in the NPPES registry on January 19, 2006.

Where is Mary Ellen Davis located?

Mary Ellen Davis practices at 12 High St Ste 400, Lewiston, ME 04240. The listed phone number is (207) 795-5700.

What is Mary Ellen Davis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Mary Ellen Davis enrolled in Medicare?

Yes. Mary Ellen Davis 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 Mary Ellen Davis accept?

Health plans from Anthem Blue Cross and Blue Shield list Mary Ellen Davis 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 Mary Ellen Davis affiliated with any hospitals?

According to CMS data, Mary Ellen Davis is affiliated with Central Maine Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Ellen Davis was last updated on September 20, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.