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 1922012392

Michael VollmarMD

PRACTICESPECTRUM PSYCHIATRIC GROUP PCSee all providers at this practice →
PsychiatryHamden, CTI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
Final MIPS score
92.4
Quality
84.3
Cost
84.3
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.73%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$27
Payment records
1
By payment type
Education$27
PRESCRIBING · PART D · 2024
Total Rx claims
1,935
Beneficiaries
—
Total drug cost
$86K
Distinct drugs
42
Brand share
23.9%
Top prescribed drugs
Lorazepam220 claims
Bupropion Hcl135 claims
Clonazepam111 claims
Alprazolam106 claims
Quetiapine Fumarate96 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
147
Unique beneficiaries
—
Total services
1,118
Distinct HCPCS
5
Medicare payment
$77K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 380 Psychiatry providers in CT — top quintile (cohort median 177).
REFERRAL NETWORK

Where Michael Vollmar'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Quest Diagnostics Llc
Clinical Laboratory · Wallingford, CT
30147
Robert Ostroff
Psychiatry · Hamden, CT
22130
American Medical Response Of Connecticut Incorporated
Ambulance Service Provider · New Haven, CT
1461
HARTFORD HEALTHCARE LABORATORIES1152
YALE NEW HAVEN HOSPITAL1132
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
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.