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 1356764195

Christopher GreenhagenPA-C

PRACTICEFAIRFAX MEDICAL FACILITIES INCSee all providers at this practice →
Physician AssistantNewkirk, OKI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
2,444
Beneficiaries
—
Total drug cost
$229K
Distinct drugs
62
Brand share
19.4%
Top prescribed drugs
Atorvastatin Calcium152 claims
Amlodipine Besylate112 claims
Omeprazole106 claims
Carvedilol98 claims
Meloxicam96 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
172
Unique beneficiaries
—
Total services
269
Distinct HCPCS
6
Medicare payment
$9K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,359 Physician Assistant providers in OK — above median (cohort median 392).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$59
Payment records
2
By payment type
Food and Beverage$59
REFERRAL NETWORK

Where Christopher Greenhagen'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). 6 inbound referrers · 13 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
REGIONAL MEDICAL LABORATORY, INC90196
KAY COUNTY OKLAHOMA HOSPITAL COMPANY LLC48111
CAH ACQUISITION COMPANY 12 LLC2971
STILLWATER MEDICAL CENTER AUTHORITY1624
Sharon Stewart
Nurse Practitioner · Newkirk, OK
1625
Kent Johnson
Nurse Practitioner · Oklahoma City, OK
1219
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
FAIRFAX MEDICAL FACILITIES INC252637
REGIONAL MEDICAL LABORATORY, INC125324
FAIRFAX MEDICAL FACILITIES INC5098
Robert Valentine
Family Practice · Broken Arrow, OK
47128
KAY COUNTY OKLAHOMA HOSPITAL COMPANY LLC3473
Amy Kirby
Diagnostic Radiology · Reston, VA
2462
CAH ACQUISITION COMPANY 12 LLC1743
Millennium Health, Llc
Clinical Laboratory · San Diego, CA
1546
Kent Johnson
Nurse Practitioner · Oklahoma City, OK
1524
FAIRFAX MEDICAL FACILITIES INC1523
Laurie Mclemore
Family Practice · Newkirk, OK
1423
Sharon Stewart
Nurse Practitioner · Newkirk, OK
1432
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.