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PROVIDER PROFILE · NPI 1679539415

Mark FahlenMD

PRACTICEMARK T. FAHLEN, MD, INC. A PROFESSIONAL MEDICAL CORPORATIONSee all providers at this practice →
NephrologyModesto, CAI
CROSS-REFERENCE

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REFERRAL NETWORK

Where Mark Fahlen'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). 38 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
DOCTORS MEDICAL CENTER OF MODESTO, INC.165918
Richard Haak
Interventional Radiology · Modesto, CA
59279
NPI 125533553543242
WENBERG, DANIEL42153
Nha Tran
Diagnostic Radiology · Sacramento, CA
39141
Kit Duong
Internal Medicine · Modesto, CA
38217
Jerry Grigoropoulos
Diagnostic Radiology · Modesto, CA
3398
Obadiah Elkins
Diagnostic Radiology · Fresno, CA
31121
Michael Klieger
Diagnostic Radiology · Modesto, CA
2890
Stephen Liu
Diagnostic Radiology · Modesto, CA
2680
SUTTER GOULD MEDICAL FOUNDATION25136
COUNTY OF STANISLAUS21135
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
669
Unique beneficiaries
—
Total services
2,171
Distinct HCPCS
8
Medicare payment
$242K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 985 Nephrology providers in CA — above median (cohort median 1,482).
PRESCRIBING · PART D · 2024
Total Rx claims
3,342
Beneficiaries
—
Total drug cost
$395K
Distinct drugs
72
Brand share
33.6%
Top prescribed drugs
Hydrocodone/Acetaminophen471 claims
Parenteral Amino Acid 20% No.1289 claims
Furosemide208 claims
Amlodipine Besylate144 claims
Calcium Acetate107 claims
QUALITY · MIPS · 2024
Final MIPS score
93.6
Quality
75.8
Cost
81.2
Improvement activities
40.0
Promoting interop.
86.0
Payment adjustment
0.78%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.