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PROVIDER PROFILE · NPI 1023036597

Daniel BrennanMD

PRACTICEJOHNS HOPKINS HOSPITALSee all providers at this practice →
NephrologyBaltimore, MDI
CROSS-REFERENCE

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ProviderScore
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QUALITY · MIPS · 2024
Final MIPS score
83.3
Quality
73.9
Cost
70.5
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.35%
Group
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

CCN 210009
Hospital
CCN 210023
Hospital
CCN 260032
Hospital
CCN 390046
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
793
Beneficiaries
—
Total drug cost
$48K
Distinct drugs
23
Brand share
13.6%
Top prescribed drugs
Prednisone143 claims
Atorvastatin Calcium115 claims
Carvedilol57 claims
Amlodipine Besylate54 claims
Losartan Potassium48 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
247
Unique beneficiaries
—
Total services
329
Distinct HCPCS
5
Medicare payment
$25K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 215 Nephrology providers in MD — bottom quintile (cohort median 1,560).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$54K
Payment records
22
By payment type
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$35K
Travel and Lodging$10K
Consulting Fee$8K
Food and Beverage$720
REFERRAL NETWORK

Where Daniel Brennan'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). 73 inbound referrers · 148 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Rowena Delos Santos
Nephrology · Saint Louis, MO
3382,236
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Maryland Heights, MO
71270
MISSOURI BAPTIST MEDICAL CENTER65277
Jason Wellen
General Surgery · Saint Louis, MO
61570
Sandor Kovacs
Cardiology · Saint Louis, MO
55229
MERCY HOSPITALS EAST COMMUNITIES53249
Harvey Glazer
Diagnostic Radiology · Saint Louis, MO
53205
Marcos Rothstein
Nephrology · Saint Louis, MO
49307
BJC HOME CARE SERVICES48117
Garry Tobin
Endocrinology · Saint Louis, MO
46258
Janice Semenkovich
Diagnostic Radiology · Saint Louis, MO
41156
David Gierada
Diagnostic Radiology · Saint Louis, MO
38200
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
BARNES JEWISH HOSPITAL7916,227
Rowena Delos Santos
Nephrology · Saint Louis, MO
3723,336
Thin Thin Maw
Nephrology · Los Angeles, CA
2971,980
Labone Llc
Clinical Laboratory · Lenexa, KS
2582,371
Brent Miller
Nephrology · Indianapolis, IN
2511,461
Tarek Alhamad
Nephrology · Saint Louis, MO
2311,284
Brittany Heady
Physician Assistant · Saint Louis, MO
165503
Helen Wijeweera
Nurse Practitioner · Saint Louis, MO
123374
FRASER, VICTORIA120274
Christina Klein
Nephrology · Atlanta, GA
81317
Laboratory Corporation Of America Holdings
Clinical Laboratory · Dublin, OH
72357
MISSOURI BAPTIST MEDICAL CENTER70402
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.