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 1427045848

Mark GruidlNP

Nurse PractitionerTempleton, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
Final MIPS score
22.2
Quality
0.0
Cost
73.9
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
-6.34%
Individual
PRESCRIBING · PART D · 2024
Total Rx claims
2,561
Beneficiaries
—
Total drug cost
$45K
Distinct drugs
45
Brand share
21.9%
Top prescribed drugs
Trazodone Hcl227 claims
Citalopram Hydrobromide202 claims
Furosemide191 claims
Oxycodone Hcl127 claims
Potassium Chloride123 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
893
Unique beneficiaries
—
Total services
3,642
Distinct HCPCS
5
Medicare payment
$231K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 8,685 Nurse Practitioner providers in CA — top quintile (cohort median 222).
REFERRAL NETWORK

Where Mark Gruidl'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). 35 inbound referrers · 47 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Jeffrey Bourne
Internal Medicine · Santa Barbara, CA
51312,780
TWIN CITIES COMMUNITY HOSPITAL, INC.2411,551
Jonathan Tiongson
Podiatry · Los Angeles, CA
155515
TODD, JEFFREY145754
VOGLER, ELIZABETH111806
Pacific Point Laboratories, Inc.
Clinical Laboratory · San Luis Obispo, CA
105322
SHIN, DANIEL103764
PATHOLOGY, INC.89853
Andrew Anthony
Family Practice · Templeton, CA
82798
James Cartland
Diagnostic Radiology · Templeton, CA
77472
THORNHILL, REX53162
ATASCADERO CHRISTIAN HOME50535
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Jeffrey Bourne
Internal Medicine · Santa Barbara, CA
50712,589
CENTRAL COAST HOME HEALTH INC192663
DIGNITY COMMUNITY CARE1892,591
Jonathan Tiongson
Podiatry · Los Angeles, CA
179772
TWIN CITIES COMMUNITY HOSPITAL, INC.161833
TODD, JEFFREY135509
San Luis Ambulance Service, Inc.
Ambulance Service Provider · San Luis Obispo, CA
120790
Pacific Point Laboratories, Inc.
Clinical Laboratory · San Luis Obispo, CA
112354
PATHOLOGY, INC.94710
Kenneth Peterson
Optometry · Pismo Beach, CA
91200
COASTAL LLC85445
EVERNDEN, BLAKE59281
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.