What is John Hierholzer's specialty?

John Hierholzer (NPI 1215912118) is a Medicare-billing provider whose primary specialty is Family Practice in San Antonio, TX.

Where does John Hierholzer practice?

John Hierholzer practices in San Antonio, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1215912118.

How much does Medicare pay John Hierholzer?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for John Hierholzer (NPI 1215912118) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1215912118

John Hierholzer

Family PracticeSan Antonio, TXI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$72

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Atorvastatin Calcium12 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where John Hierholzer'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 · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Mitchell Finnie Family Practice · San Antonio, TX	44	86
METHODIST HEALTHCARE SYSTEM OF SAN ANTONIO, LTD., L.L.P.	17	46
ROCKDALE BLACKHAWK LLC	14	16

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Irving, TX	53	115
Mitchell Finnie Family Practice · San Antonio, TX	43	75
ATHEROTECH, INC.	28	68
ROCKDALE BLACKHAWK LLC	15	20
METHODIST HEALTHCARE SYSTEM OF SAN ANTONIO, LTD., L.L.P.	13	49

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events