PROVIDER PROFILE · NPI 1518958370

John FahrenholzM.D.

PRACTICEVANDERBILT UNIVERSITYSee all providers at this practice →

Allergy/ ImmunologyNashville, TNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

107

Distinct HCPCS

Medicare payment

$5K

Peer benchmark

Total Medicare services vs. 80 Allergy/ Immunology providers in TN — below median (cohort median 4,773).

PRESCRIBING · PART D · 2024

Total Rx claims

208

Beneficiaries

—

Total drug cost

$227K

Distinct drugs

Brand share

41.3%

Top prescribed drugs

Montelukast Sodium45 claims

Omalizumab29 claims

Famotidine19 claims

Prednisone18 claims

Albuterol Sulfate17 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$40K

Payment records

By payment type

Honoraria$29K

Travel and Lodging$6K

Consulting Fee$4K

Food and Beverage$1K

REFERRAL NETWORK

Where John Fahrenholz'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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
VANDERBILT UNIVERSITY MEDICAL CENTER	39	110
Simpson Tanner Rheumatology · Nashville, TN	14	20
Kenneth Babe Allergy/ Immunology · Gallatin, TN	11	18

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history