What is Sharon Spak-Schreiner's specialty?

Sharon Spak-Schreiner (NPI 1003054289) is a Medicare-billing provider whose primary specialty is Internal Medicine in Arlington Heights, IL.

Where does Sharon Spak-Schreiner practice?

Sharon Spak-Schreiner practices in Arlington Heights, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1003054289.

How much does Medicare pay Sharon Spak-Schreiner?

Sharon Spak-Schreiner (NPI 1003054289) received approximately $29K in total Medicare Part B payments, serving 136 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1003054289

Sharon Spak-SchreinerM.D.

Internal MedicineArlington Heights, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

258

Unique beneficiaries

—

Total services

287

Distinct HCPCS

Medicare payment

$26K

Peer benchmark

Total Medicare services vs. 3,790 Internal Medicine providers in IL — below median (cohort median 760).

PRESCRIBING · PART D · 2024

Total Rx claims

1,540

Beneficiaries

—

Total drug cost

$37K

Distinct drugs

Brand share

6.1%

Top prescribed drugs

Atorvastatin Calcium252 claims

Levothyroxine Sodium156 claims

Losartan Potassium113 claims

Amlodipine Besylate77 claims

Hydrochlorothiazide75 claims

QUALITY · MIPS · 2024

Final MIPS score

84.9

Quality

75.9

Cost

74.6

Improvement activities

40.0

Promoting interop.

99.0

Payment adjustment

0.42%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Sharon Spak-Schreiner'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). 1 inbound referrers · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Gary Meyers Internal Medicine · Arlington Heights, IL	12	23

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
NORTHWEST COMMUNITY HOSPITAL	92	418
Carl Lang Internal Medicine · Buffalo Grove, IL	14	36
Gary Meyers Internal Medicine · Arlington Heights, IL	12	29
Quest Diagnostics Llc Il Clinical Laboratory · Wood Dale, IL	11	30

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