What is John Elser's specialty?

John Elser (NPI 1154366839) is a Medicare-billing provider whose primary specialty is Family Practice in Evergreen Park, IL.

Where does John Elser practice?

John Elser practices in Evergreen Park, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1154366839.

How much does Medicare pay John Elser?

John Elser (NPI 1154366839) received approximately $102K in total Medicare Part B payments, serving 347 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1154366839

John ElserM.D.

Family PracticeEvergreen Park, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,040

Unique beneficiaries

—

Total services

1,651

Distinct HCPCS

Medicare payment

$94K

Peer benchmark

Total Medicare services vs. 3,221 Family Practice providers in IL — top quintile (cohort median 556).

PRESCRIBING · PART D · 2024

Total Rx claims

6,121

Beneficiaries

—

Total drug cost

$645K

Distinct drugs

104

Brand share

21.9%

Top prescribed drugs

Atorvastatin Calcium556 claims

Amlodipine Besylate374 claims

Levothyroxine Sodium254 claims

Metoprolol Succinate231 claims

Pantoprazole Sodium200 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$14

Payment records

By payment type

Food and Beverage$14

Top paying entities

Food and Beverage$14

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (7)

Home health agency

Home health agency

Home health agency

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where John Elser'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). 13 inbound referrers · 28 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Joseph Mularczyk Cardiology · Evergreen Park, IL	46	154
Ginny Hendricks Family Practice · Evergreen Park, IL	43	131
WOLLNER, TIMOTHY	38	124
Daniel Rowan Cardiology · Palos Heights, IL	34	114
Biraju Patel Diagnostic Radiology · Los Angeles, CA	32	99
MARTINEZ, DANILO	30	92
Sebastian Sadowski Diagnostic Radiology · Addison, IL	27	60
Gene Quirini Diagnostic Radiology · Evergreen, IL	24	68
Richard Kern Internal Medicine · Evergreen Park, IL	21	129
OSF HEALTHCARE SYSTEM	18	34
City Of Chicago Ambulance Service Provider · Chicago, IL	16	47
Hamid Nazeer Diagnostic Radiology · Chicago, IL	15	49

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
LITTLE COMPANY OF MARY HOSPITAL INC	291	1,520
FULD, IRVING	71	193
Ginny Hendricks Family Practice · Evergreen Park, IL	46	130
Joseph Mularczyk Cardiology · Evergreen Park, IL	45	148
Steven Domiano Diagnostic Radiology · Evergreen, IL	44	123
WOLLNER, TIMOTHY	41	131
MARTINEZ, DANILO	40	125
Thomas Quinn Cardiology · Palos Heights, IL	36	112
Andrew Griffin Diagnostic Radiology · Evanston, IL	35	100
Daniel Rowan Cardiology · Palos Heights, IL	31	129
PALOS COMMUNITY HOSPITAL	31	133
Biraju Patel Diagnostic Radiology · Los Angeles, CA	27	83

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