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PROVIDER PROFILE · NPI 1275732364

John SommerMD

Internal MedicineBrunswick, MEI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 207012
Home health agency
CCN 201501
Hospice
CCN 200021
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
5,041
Beneficiaries
—
Total drug cost
$566K
Distinct drugs
90
Brand share
22.8%
Top prescribed drugs
Atorvastatin Calcium374 claims
Lisinopril303 claims
Losartan Potassium217 claims
Amlodipine Besylate206 claims
Levothyroxine Sodium195 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
800
Unique beneficiaries
—
Total services
989
Distinct HCPCS
20
Medicare payment
$23K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 404 Internal Medicine providers in ME — top quintile (cohort median 401).
REFERRAL NETWORK

Where John Sommer'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). 9 inbound referrers · 24 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Sarah Davis
Family Practice · Brunswick, ME
64742
Jaime Kline
Diagnostic Radiology · Brunswick, ME
3090
Keith Fleming
Diagnostic Radiology · Brunswick, ME
26116
Richard Schafer
Internal Medicine · Farmington, ME
19122
Kate Pinkerton
Nurse Practitioner · San Francisco, CA
1638
David Inger
Family Practice · Topsham, ME
1470
Nicole Nalchajian
Emergency Medicine · Brunswick, ME
1349
Mark Marotto
Ophthalmology · Bath, ME
1152
Pamela Gardiner
Family Practice · Brunswick, ME
1155
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MAINEHEALTH1611,431
Sarah Davis
Family Practice · Brunswick, ME
62656
Quest Diagnostics Llc
Clinical Laboratory · Marlborough, MA
57275
Keith Fleming
Diagnostic Radiology · Brunswick, ME
31137
Benjamin Lowenstein
Cardiology · Brunswick, ME
28209
Paul Burns
Cardiology · Brunswick, ME
27109
STERN, STEVEN2796
Jaime Kline
Diagnostic Radiology · Brunswick, ME
26130
MONTEGUT, ALAIN2183
Michele Marchildon
Physician Assistant · Falmouth, ME
1957
COMMUNITY HEALTH AND NURSING SERVICES1978
Marcus Deck
Family Practice · Brunswick, ME
1980
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.