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PROVIDER PROFILE · NPI 1386842003

Karl GrimmerMD

AnesthesiologyWashington, DCI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
Final MIPS score
63.9
Quality
57.5
Cost
0.0
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
-1.34%
Group
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
91
Unique beneficiaries
—
Total services
92
Distinct HCPCS
2
Medicare payment
$9K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 217 Anesthesiology providers in DC — below median (cohort median 216).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Karl Grimmer'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 · 23 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
LUCY WEBB HAYES NATIONAL TRAINING SCHOOL FOR DEACONESSES & MISSIONARIE247489
Quest Diagnostics Incorporated Md
Clinical Laboratory · Baltimore, MD
3255
David Krug
Diagnostic Radiology · Washington, DC
3040
Monica Waziri
Certified Registered Nurse Anesthetist (CRNA) · Washington, DC
2424
Kira Plagge
Certified Registered Nurse Anesthetist (CRNA) · Arlington, VA
2129
Richard Newman
Diagnostic Radiology · Washington, DC
1926
BERKLEY, CHRISTINE1819
Janice Hwang
Diagnostic Radiology · Washington, DC
1621
LEWIS, RANDALL1657
Anthony Unger
Orthopedic Surgery · Washington, DC
1559
Philip Bobrow
Orthopedic Surgery · Chevy Chase, MD
1442
Tanya Saunders
Certified Registered Nurse Anesthetist (CRNA) · West Point, NY
1414
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
LUCY WEBB HAYES NATIONAL TRAINING SCHOOL FOR DEACONESSES & MISSIONARIE65139
Richard Newman
Diagnostic Radiology · Washington, DC
5570
Margaret Shaffer
Pathology · Washington, DC
5163
SIBLEY-SUBURBAN HOME HEALTH AGENCY INC4747
LUCY WEBB HAYES NATIONAL TRAINING SCHOOL FOR DEACONESSES & MISSIONARIE4369
Douglas Jones
Diagnostic Radiology · Washington, DC
3042
Alan Kronthal
Diagnostic Radiology · Washington, DC
3041
Laboratory Corporation Of America Holdings
Clinical Laboratory · Burlington, NC
2634
FLEURY, THOMAS2424
David Krug
Diagnostic Radiology · Washington, DC
2332
Amelia Fernald
Certified Registered Nurse Anesthetist (CRNA) · Raleigh, NC
2222
Julie Fanburg-Smith
Pathology · Charlottesville, VA
2228
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.