What is Stephan Stellmacher's specialty?

Stephan Stellmacher (NPI 1588726970) is a Medicare-billing provider whose primary specialty is Emergency Medicine in Flagstaff, AZ.

Where does Stephan Stellmacher practice?

Stephan Stellmacher practices in Flagstaff, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1588726970.

How much does Medicare pay Stephan Stellmacher?

Stephan Stellmacher (NPI 1588726970) received approximately $6K in total Medicare Part B payments, serving 39 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588726970

Stephan StellmacherDO-FACP

PRACTICEARIZONA INDEPENDENT MEDICAL ASSOCIATES, PLLCSee all providers at this practice →

Emergency MedicineFlagstaff, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$2K

Peer benchmark

Total Medicare services vs. 955 Emergency Medicine providers in AZ — bottom quintile (cohort median 290).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$87K

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Bictegrav/Emtricit/Tenofov Ala18 claims

Albuterol Sulfate11 claims

Semaglutide11 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 Stephan Stellmacher'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). 81 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Christine Mcgregor Nurse Practitioner · Flagstaff, AZ	308	2,400
Terry Smith Nurse Practitioner · Flagstaff, AZ	305	2,098
Stephen Ward Diagnostic Radiology · Flagstaff, AZ	163	1,117
Carrie Monroy Family Medicine · Flagstaff, AZ	135	587
HIETTE, PAUL	119	705
Michael Labenz Diagnostic Radiology · Flagstaff, AZ	109	684
NPI 1346287588	103	572
Jennifer Kottra Diagnostic Radiology · Mchenry, IL	98	475
Nagaraj Madugonde Hospitalist · Glendale, AZ	64	310
RTA HOSPICE, LLC	63	417
Joseph Scionti Hospitalist · Flagstaff, AZ	50	231
Craig Peters Cardiology · Flagstaff, AZ	47	182

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events