What is Mary Ellen Davis's specialty?

Mary Ellen Davis (NPI 1215917919) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Lewiston, ME.

Where does Mary Ellen Davis practice?

Mary Ellen Davis practices in Lewiston, ME, based on the location reported in the CMS Medicare provider datasets for NPI 1215917919.

How much does Medicare pay Mary Ellen Davis?

Mary Ellen Davis (NPI 1215917919) received approximately $25K in total Medicare Part B payments, serving 161 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1215917919

Mary Ellen Davis

Nurse PractitionerLewiston, MEI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

243

Unique beneficiaries

—

Total services

391

Distinct HCPCS

Medicare payment

$24K

Peer benchmark

Total Medicare services vs. 1,197 Nurse Practitioner providers in ME — top quintile (cohort median 175).

PRESCRIBING · PART D · 2024

Total Rx claims

6,073

Beneficiaries

—

Total drug cost

$423K

Distinct drugs

108

Brand share

16.7%

Top prescribed drugs

Amlodipine Besylate329 claims

Atorvastatin Calcium281 claims

Rosuvastatin Calcium264 claims

Levothyroxine Sodium252 claims

Losartan Potassium237 claims

QUALITY · MIPS · 2024

Final MIPS score

85.0

Quality

60.0

Cost

74.3

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

0.42%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 207019

Home health agency

CCN 200024

Hospital

CCN 200034

Hospital

REFERRAL NETWORK

Where Mary Ellen Davis's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 10 inbound referrers · 21 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jeremy Duda Diagnostic Radiology · Lewiston, ME	25	52
Charles Humphrey Diagnostic Radiology · Lewiston, ME	20	60
Pamela Ross Internal Medicine · Lewiston, ME	19	107
Lise Cloutier Internal Medicine · Kennebunk, ME	16	85
ST. MARY'S REGIONAL MEDICAL CENTER	14	43
Gregory Friedel Interventional Radiology · Lewiston, ME	14	60
Michael Miller Diagnostic Radiology · Lewiston, ME	13	26
Jerrold Gale Diagnostic Radiology · Lewiston, ME	13	32
Lynn Dumont Nurse Practitioner · Lewiston, ME	11	60
William Lee Internal Medicine · Lewiston, ME	11	50

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
CENTRAL MAINE MEDICAL CENTER	248	3,227
Daniel Radack Interventional Radiology · Richmond, VA	45	112
Timothy Stoner Diagnostic Radiology · Eden Prairie, MN	29	87
John Lonsdale Ophthalmology · Lewiston, ME	20	78
Jeremy Duda Diagnostic Radiology · Lewiston, ME	19	44
Lise Cloutier Internal Medicine · Kennebunk, ME	18	122
Michael Miller Diagnostic Radiology · Lewiston, ME	18	45
Lynn Dumont Nurse Practitioner · Lewiston, ME	17	87
ST. MARY'S REGIONAL MEDICAL CENTER	17	51
Pamela Ross Internal Medicine · Lewiston, ME	16	119
Charles Humphrey Diagnostic Radiology · Lewiston, ME	16	35
Gregory Friedel Interventional Radiology · Lewiston, ME	15	78

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events