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 1336200039

NPI 1336200039

PRACTICEDR MARK L GRISWOLD & ASSOCIATES PLCSee all providers at this practice →
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
REFERRAL NETWORK

Where NPI 1336200039'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 · 30 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ORO VALLEY HOSPITAL LLC131255
NORTHWEST HOSPITAL LLC3876
David Friedman
Allergy/ Immunology · Oro Valley, AZ
28109
BANNER - UNIVERSITY MEDICAL CENTER TUCSON CAMPUS LLC2660
Roberta Hindenlang
Family Practice · Tucson, AZ
2131
Kent Diehl
Family Practice · Flagstaff, AZ
1853
John Dougherty
Internal Medicine · Oro Valley, AZ
1656
Gregory Koshkarian
Cardiology · Tucson, AZ
1522
Gordon Watson
Cardiology · Tucson, AZ
1424
CARLSON, ALAN1416
Michael Yim
Family Practice · Oro Valley, AZ
1432
Kevin Kelly
Diagnostic Radiology · Tucson, AZ
1420
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
ORO VALLEY HOSPITAL LLC153473
Sonora Quest Laboratories Llc
Clinical Laboratory · Phoenix, AZ
97178
Laboratory Corporation Of America
Clinical Laboratory · Phoenix, AZ
6597
NORTHWEST HOSPITAL LLC4458
BANNER - UNIVERSITY MEDICAL CENTER TUCSON CAMPUS LLC4382
David Friedman
Allergy/ Immunology · Oro Valley, AZ
2690
Roberta Hindenlang
Family Practice · Tucson, AZ
2242
Ajay Tuli
Interventional Cardiology · Tucson, AZ
2145
Kent Diehl
Family Practice · Flagstaff, AZ
2142
Eun Oh
Internal Medicine · Oro Valley, AZ
1849
WOOD, GARY1734
David Kahan
Family Practice · Tucson, AZ
1632
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.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.