What is Karen Sullivan's specialty?

Karen Sullivan (NPI 1881692812) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Manchester, CT.

Where does Karen Sullivan practice?

Karen Sullivan practices in Manchester, CT, based on the location reported in the CMS Medicare provider datasets for NPI 1881692812.

How much does Medicare pay Karen Sullivan?

Karen Sullivan (NPI 1881692812) received approximately $35K in total Medicare Part B payments, serving 104 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1881692812

Karen SullivanAPRN

Nurse PractitionerManchester, CTI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

654

Unique beneficiaries

—

Total services

837

Distinct HCPCS

Medicare payment

$31K

Peer benchmark

Total Medicare services vs. 2,647 Nurse Practitioner providers in CT — top quintile (cohort median 238).

PRESCRIBING · PART D · 2024

Total Rx claims

4,016

Beneficiaries

—

Total drug cost

$365K

Distinct drugs

Brand share

13.2%

Top prescribed drugs

Atorvastatin Calcium531 claims

Lisinopril265 claims

Levothyroxine Sodium241 claims

Hydrochlorothiazide179 claims

Rosuvastatin Calcium134 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Karen Sullivan'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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MANCHESTER MEMORIAL HOSPITAL	129	541
Karen Cadman Family Practice · Manchester, CT	32	120
Gordon Brodie Family Practice · Manchester, CT	27	65
Hazar Dahhan Cardiology · Manchester, CT	20	69
Christopher Taubes Diagnostic Radiology · Manchester, CT	18	38
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	16	49
Ambulance Service Of Manchester, Llc Ambulance Service Provider · Manchester, CT	13	31
Ted Metzger Diagnostic Radiology · Manchester, CT	11	28
ROSENBLATT, EDWARD	11	26
KRAVETZ, GARY	11	20

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events