caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1710093349

Nagarathna ManjappaMD

PRACTICEC. GREGORY CULBERSON, M.D., INC.See all providers at this practice →
NephrologyNapa, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
Final MIPS score
98.4
Quality
92.4
Cost
71.5
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.98%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$683
Payment records
26
By payment type
Food and Beverage$657
Education$26
PRESCRIBING · PART D · 2024
Total Rx claims
1,954
Beneficiaries
—
Total drug cost
$645K
Distinct drugs
39
Brand share
38.3%
Top prescribed drugs
Furosemide183 claims
Dapagliflozin Propanediol182 claims
Nifedipine109 claims
Parenteral Amino Acid 20% No.1106 claims
Amlodipine Besylate105 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,157
Unique beneficiaries
—
Total services
2,279
Distinct HCPCS
11
Medicare payment
$302K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 985 Nephrology providers in CA — above median (cohort median 1,482).
REFERRAL NETWORK

Where Nagarathna Manjappa'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). 64 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ST. JOSEPH HEALTH NORTHERN CALIFORNIA, LLC4412,287
Thomas Paukert
Nephrology · Napa, CA
164665
NPI 1255335535111444
Martin Laufik
Diagnostic Radiology · La Jolla, CA
89291
Bruce Troup
Diagnostic Radiology · Napa, CA
79368
Debra Trnavsky-Hobbs
Hospitalist · Napa, CA
77304
Jennifer Gunnell
Internal Medicine · Bend, OR
74184
Sergio Manubens
Cardiology · Napa, CA
66230
RENAL TREATMENT CENTERS CALIFORNIA INC601,410
ADVENTIST HEALTH CLEARLAKE HOSPITAL INC.59245
Brian Mundy
Internal Medicine · Napa, CA
59215
Stuart Bursten
Internal Medicine · Vista, CA
45216
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.