caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1255332698

John VellaM.D.

PRACTICEMAINE NEPHROLOGY ASSOCIATES P.A.See all providers at this practice →
NephrologyPortland, MEI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 200001
Hospital
CCN 200009
Hospital
CCN 200039
Hospital
CCN 201302
Hospital
CCN 201316
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
310
Unique beneficiaries
—
Total services
392
Distinct HCPCS
9
Medicare payment
$31K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 36 Nephrology providers in ME — above median (cohort median 458).
QUALITY · MIPS · 2024
Final MIPS score
97.9
Quality
83.3
Cost
0.0
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.97%
APM Entity
PRESCRIBING · PART D · 2024
Total Rx claims
1,892
Beneficiaries
—
Total drug cost
$129K
Distinct drugs
38
Brand share
6.1%
Top prescribed drugs
Atorvastatin Calcium179 claims
Prednisone171 claims
Amlodipine Besylate134 claims
Losartan Potassium134 claims
Famotidine133 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$43
Payment records
1
By payment type
Education$43
REFERRAL NETWORK

Where John Vella'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). 26 inbound referrers · 66 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Nordx
Clinical Laboratory · Scarborough, ME
1922,400
Ioan Cosma
Nephrology · Portland, ME
37149
WASSERMAN, JAMES31123
WHITING, JAMES31284
Douglas Dressel
Pathology · Portland, ME
27103
Patricia Cantlin
Nephrology · Portland, ME
26108
Emily Wood
Infectious Disease · South Portland, ME
24158
WINN, STEVEN22158
Michael Quinn
Diagnostic Radiology · Portland, ME
2265
Spectra East, Inc.
Clinical Laboratory · Rockleigh, NJ
1946
MAINEHEALTH1981
FAHRENBACH, MARY1842
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Nordx
Clinical Laboratory · Scarborough, ME
2173,086
MAINEHEALTH2002,323
Ana Rossi
Nephrology · Atlanta, GA
1853,157
MAINEHEALTH1641,473
Michael Akom
Nephrology · Portland, ME
95637
Mark Parker
Nephrology · Portland, ME
84749
Juan Palma-Vargas
General Surgery · Portland, ME
46833
Paul Parker
Nephrology · Portland, ME
45142
Stuart Abramson
Nephrology · Indianapolis, IN
45387
WASSERMAN, JAMES43143
Sharon Siegel
Diagnostic Radiology · Portland, ME
43163
MAINEHEALTH42338
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.