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PROVIDER PROFILE · NPI 1316940802

Douglas DrefferM.D.

Family PracticeDerry, NHI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

CCN 307000
Home health agency
CCN 300001
Hospital
CCN 300012
Hospital
CCN 300034
Hospital
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
4,499
Beneficiaries
—
Total drug cost
$245K
Distinct drugs
107
Brand share
16.9%
Top prescribed drugs
Atorvastatin Calcium339 claims
Lisinopril210 claims
Amlodipine Besylate164 claims
Levothyroxine Sodium157 claims
Oxycodone Hcl125 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$1K
Payment records
52
By payment type
Food and Beverage$1K
Top paying entities
Food and Beverage$1K
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,825
Unique beneficiaries
—
Total services
2,366
Distinct HCPCS
29
Medicare payment
$146K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 441 Family Practice providers in NH — top quintile (cohort median 533).
REFERRAL NETWORK

Where Douglas Dreffer'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). 12 inbound referrers · 24 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
CONCORD HOSPITAL, INC.1871,548
GRANITE VNA, INC.2869
Gregory Thesing
Family Practice · Hillsboro, NH
2478
Joseph Venus
Diagnostic Radiology · Concord, NH
2150
CHAN, DON2035
Kevin Rivera Colon
Diagnostic Radiology · Manchester, NH
1841
SCHOOL STREET ASSOCIATES1740
Matthew Dimasi
Diagnostic Radiology · Concord, NH
1750
Town Of Hillsborough
Ambulance Service Provider · Hillsborough, NH
1637
Kenneth Limburg
Podiatry · Laconia, NH
1216
Tad Renvyle
Diagnostic Radiology · Bedford, NH
1225
Melkon Hacobian
Cardiology · Santa Monica, CA
1122
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
CONCORD HOSPITAL, INC.131896
GRANITE VNA, INC.2254
MCCORMACK, TIMOTHY1946
LIFELINE AMBULANCE SERVICE, LLC1849
Gregory Thesing
Family Practice · Hillsboro, NH
1739
EWING, DOUGLAS1734
Corey Sides
Diagnostic Radiology · Manchester, NH
1735
Constantine Brocoum
Diagnostic Radiology · Concord, NH
1633
Dominic Geffken
Family Practice · Concord, NH
1631
HADLEY, MARK1529
Daniel Zapton
Diagnostic Radiology · Concord, NH
1541
Teri Brehio
Family Practice · Hillsboro, NH
1445
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.