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PROVIDER PROFILE · NPI 1679590285

Karen UnderhillANP-C

PRACTICEGLACIER HILLS INC.See all providers at this practice →
Nurse PractitionerAnn Arbor, MII
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
222
Unique beneficiaries
—
Total services
324
Distinct HCPCS
3
Medicare payment
$26K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 5,391 Nurse Practitioner providers in MI — above median (cohort median 188).
REFERRAL NETWORK

Where Karen Underhill'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). 19 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
REGENTS OF THE UNIVERSITY OF MICHIGAN130710
Erin Diviney Chun
Geriatric Medicine · Ann Arbor, MI
48148
Gail Bell
Nurse Practitioner · Ann Arbor, MI
34127
Nancylee Stier
Geriatric Medicine · Ann Arbor, MI
33107
Mohamed Sayyouh
Diagnostic Radiology · Ann Arbor, MI
3375
Chinomso Nwagwu
Geriatric Medicine · Ann Arbor, MI
2874
Karen Neeb
Nurse Practitioner · Ann Arbor, MI
2290
Smita Patel
Diagnostic Radiology · Ann Arbor, MI
1836
Aamer Chughtai
Diagnostic Radiology · Ann Arbor, MI
1734
REGENTS OF THE UNIVERSITY OF MICHIGAN1739
Aine Kelly
Diagnostic Radiology · Ann Arbor, MI
1738
Perry Pernicano
Diagnostic Radiology · Ann Arbor, MI
1731
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.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
308
Beneficiaries
—
Total drug cost
$15K
Distinct drugs
17
Brand share
15.9%
Top prescribed drugs
Atorvastatin Calcium31 claims
Amlodipine Besylate24 claims
Omeprazole24 claims
Gabapentin23 claims
Lisinopril23 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.