What is Geraldine Corrigan's specialty?

Geraldine Corrigan (NPI 1881685360) is a Medicare-billing provider whose primary specialty is Nephrology in Arvada, CO.

Where does Geraldine Corrigan practice?

Geraldine Corrigan practices in Arvada, CO, based on the location reported in the CMS Medicare provider datasets for NPI 1881685360.

How much does Medicare pay Geraldine Corrigan?

Geraldine Corrigan (NPI 1881685360) received approximately $124K in total Medicare Part B payments, serving 286 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1881685360

Geraldine CorriganMD

NephrologyArvada, COI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

586

Unique beneficiaries

—

Total services

1,119

Distinct HCPCS

Medicare payment

$116K

Peer benchmark

Total Medicare services vs. 120 Nephrology providers in CO — top quintile (cohort median 723).

PRESCRIBING · PART D · 2024

Total Rx claims

1,946

Beneficiaries

—

Total drug cost

$82K

Distinct drugs

Brand share

6.8%

Top prescribed drugs

Furosemide217 claims

Amlodipine Besylate211 claims

Losartan Potassium190 claims

Lisinopril123 claims

Atorvastatin Calcium89 claims

QUALITY · MIPS · 2024

Final MIPS score

95.0

Quality

89.6

Cost

74.4

Improvement activities

40.0

Promoting interop.

98.0

Payment adjustment

0.84%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$321

Payment records

By payment type

Food and Beverage$321

Top paying entities

Food and Beverage$321

REFERRAL NETWORK

Where Geraldine Corrigan'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). 36 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NPI 1396781134	70	302
CATHOLIC HEALTH INITIATIVES COLORADO	66	207
GILLUM, DAVID	60	308
SPECTRA LABORATORIES INC	59	461
Harmeet Singh Nephrology · Arvada, CO	42	208
Rajesh Yalavarthy Nephrology · Arvada, CO	34	183
NPI 1326017526	20	35
Trent Paradis Diagnostic Radiology · Lakewood, CO	18	42
Steven Ross Diagnostic Radiology · Lakewood, CO	17	29
Clinton Anderson Diagnostic Radiology · Lakewood, CO	17	41
Matthew Cushing Diagnostic Radiology · Lakewood, CO	16	35
UNIVERSITY OF COLORADO HOSPITAL AUTHORITY	16	50

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