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 1235226655

John Diggs

Internal MedicineMonson, MAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
210
Beneficiaries
—
Total drug cost
$16K
Distinct drugs
12
Brand share
15.2%
Top prescribed drugs
Amlodipine Besylate23 claims
Lorazepam23 claims
Losartan Potassium22 claims
Apixaban20 claims
Atorvastatin Calcium20 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where John Diggs'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). 15 inbound referrers · 38 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Zachry Zichittella
Cardiology · Palmer, MA
56408
BAYSTATE MEDICAL CENTER INC38242
Robert Spence
Emergency Medicine · Palmer, MA
27183
GEOFFRION, CHERYL26238
Munir Ahmad
Rheumatology · Palmer, MA
25165
Palmer Ambulance Service Inc
Ambulance Service Provider · Palmer, MA
2188
LEVIN, JILL20105
David Wexler
Otolaryngology · Marlborough, MA
20213
ENGLER, KRISTA1679
Jonathan Marsh
Hematology-Oncology · Palmer, MA
16232
Joanna Preibisz
Internal Medicine · Palmer, MA
1586
BAYSTATE MARY LANE HOSPITAL CORPORATION1547
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
BAYSTATE WING HOSPITAL CORPORATION3648,266
Sanford Smoot
Diagnostic Radiology · Lexington, MA
125602
ALLARD, JEFFREY117607
Brian Laliberte
Cardiology · Palmer, MA
58680
Zachry Zichittella
Cardiology · Palmer, MA
52447
Peter Kelly
Ophthalmology · Palmer, MA
48185
Lindsey Morin
Physician Assistant · Palmer, MA
47213
BAYSTATE MEDICAL CENTER INC42242
JUENGST, KIRBY38340
Rene Umanzor
Internal Medicine · Leominster, MA
28261
GEOFFRION, CHERYL24158
Donald Blair
Sleep Medicine · Springfield, MA
24199
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.