What is Anita Spiess's specialty?

Anita Spiess (NPI 1609857457) is a Medicare-billing provider whose primary specialty is Gastroenterology in Chandler, AZ.

Where does Anita Spiess practice?

Anita Spiess practices in Chandler, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1609857457.

How much does Medicare pay Anita Spiess?

Anita Spiess (NPI 1609857457) received approximately $117K in total Medicare Part B payments, serving 408 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1609857457

Anita SpiessM.D.

GastroenterologyChandler, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

638

Unique beneficiaries

—

Total services

650

Distinct HCPCS

Medicare payment

$70K

Peer benchmark

Total Medicare services vs. 280 Gastroenterology providers in AZ — top quintile (cohort median 659).

PRESCRIBING · PART D · 2024

Total Rx claims

190

Beneficiaries

—

Total drug cost

$8K

Distinct drugs

Brand share

10.0%

Top prescribed drugs

Omeprazole63 claims

Famotidine56 claims

Pantoprazole Sodium36 claims

Sodium, Potassium,mag Sulfates19 claims

Mesalamine16 claims

QUALITY · MIPS · 2024

Final MIPS score

95.8

Quality

8.6

Cost

70.3

Improvement activities

40.0

Promoting interop.

95.0

Payment adjustment

0.87%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$141

Payment records

By payment type

Food and Beverage$141

Top paying entities

Food and Beverage$141

REFERRAL NETWORK

Where Anita Spiess'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). 19 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ALEXIAN BROTHERS MEDICAL CENTER	84	249
ST. ALEXIUS MEDICAL CENTER	27	65
Patricia Stringer Internal Medicine · Arlington Heights, IL	24	124
KANE, MARY	21	56
ADVOCATE HEALTH AND HOSPITALS CORPORATION	21	64
David Dubois Diagnostic Radiology · Saint Louis, MO	17	40
Rosemary King-Chen Anesthesiology · Arlington Heights, IL	16	35
Michael Racenstein Diagnostic Radiology · Elk Grove Village, IL	14	27
Marc Roy Diagnostic Radiology · Arlington Heights, IL	14	26
Kenneth Spero Diagnostic Radiology · Arlington Heights, IL	14	33
Pepito Parayno Pathology · Elk Grove Village, IL	14	27
Brian Bolton Pathology · Chicago, IL	13	23

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