PROVIDER PROFILE · NPI 1629043625

Peter DrennanD.O.

Internal MedicineEnfield, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

888

Unique beneficiaries

—

Total services

1,405

Distinct HCPCS

Medicare payment

$99K

Peer benchmark

Total Medicare services vs. 1,650 Internal Medicine providers in CT — top quintile (cohort median 549).

PRESCRIBING · PART D · 2024

Total Rx claims

5,562

Beneficiaries

—

Total drug cost

$313K

Distinct drugs

110

Brand share

15.1%

Top prescribed drugs

Atorvastatin Calcium517 claims

Lisinopril358 claims

Amlodipine Besylate317 claims

Rosuvastatin Calcium252 claims

Omeprazole221 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Peter Drennan'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THE MERCY HOSPITAL INC	160	531
BAYSTATE MEDICAL CENTER INC	91	275
David Mernoff Diagnostic Radiology · Springfield, MA	37	91
RAY, SUBRATA	34	76
Jeffrey Friedman Diagnostic Radiology · Springfield, MA	28	61
Rashmi Balasubramanya Diagnostic Radiology · Aldan, PA	28	61
Magdalena Nowak Physician Assistant · Springfield, MA	20	39
Gary Montano Emergency Medicine · Springfield, MA	14	28
Marc Goldman Gastroenterology · Springfield, MA	14	55
Michael Zmurko Emergency Medicine · Rutland, VT	13	33
Masih Farooqui Hematology-Oncology · Springfield, MA	11	51
NPI 1467466078	11	26

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history