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PROVIDER PROFILE · NPI 1316945702

Harry MatossianM.D.

PRACTICEHARRY B. MATOSSIANSee all providers at this practice →
GastroenterologyUkiah, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PricingContactPrivacyTerms
QUALITY · MIPS · 2024
Final MIPS score
86.0
Quality
91.8
Cost
61.7
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.47%
Group
PRESCRIBING · PART D · 2024
Total Rx claims
188
Beneficiaries
—
Total drug cost
$4K
Distinct drugs
7
Brand share
40.4%
Top prescribed drugs
Famotidine45 claims
Sodium, Potassium,mag Sulfates32 claims
Pantoprazole Sodium29 claims
Omeprazole25 claims
Peg3350/Sod Sulf,bicarb,cl/Kcl17 claims
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 050335
Hospital
CCN 131323
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
219
Unique beneficiaries
—
Total services
219
Distinct HCPCS
8
Medicare payment
$26K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,398 Gastroenterology providers in CA — bottom quintile (cohort median 750).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Harry Matossian'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). 49 inbound referrers · 78 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
UKIAH ADVENTIST HOSPITAL3571,202
HARRY B. MATOSSIAN306475
Inform Diagnostics, Inc.
Clinical Laboratory · Coppell, TX
116175
OBSERVATORY SURGERY CENTER LLC.115181
WILLITS HOSPITAL INC.110384
TAMANAHA, PHILIP83126
ADVENTIST HEALTH CLEARLAKE HOSPITAL INC.45173
Ingo Rencken
Diagnostic Radiology · Sebastopol, CA
4292
Vivek Reddy
Diagnostic Radiology · Lakeport, CA
3664
NPI 10533912353250
Walter Bortz
Internal Medicine · Marrero, LA
3183
ADVENTIST HEALTH CLEARLAKE HOSPITAL INC.28117
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Inform Diagnostics, Inc.
Clinical Laboratory · Coppell, TX
280488
UKIAH ADVENTIST HOSPITAL252736
HARRY B. MATOSSIAN127166
WILLITS HOSPITAL INC.112366
SUTTER BAY HOSPITALS84287
TAMANAHA, PHILIP80166
UKIAH ADVENTIST HOSPITAL80245
Laura Winkle
Diagnostic Radiology · Ukiah, CA
76130
MENDOCINO COMMUNITY HEALTH CLINIC, INC.73197
OBSERVATORY SURGERY CENTER LLC.5567
Taylor Jordan
Diagnostic Radiology · Eden Prairie, MN
49118
GORDON, HERSCHEL49114
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.