What is Richard Shimizu's specialty?

Richard Shimizu (NPI 1164466645) is a Medicare-billing provider whose primary specialty is Internal Medicine in Springfield, MO.

Where does Richard Shimizu practice?

Richard Shimizu practices in Springfield, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1164466645.

How much does Medicare pay Richard Shimizu?

Richard Shimizu (NPI 1164466645) received approximately $74K in total Medicare Part B payments, serving 196 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1164466645

Richard ShimizuMD

PRACTICEFERRELL DUNCAN CLINIC, INCSee all providers at this practice →

Internal MedicineSpringfield, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,677

Unique beneficiaries

—

Total services

2,151

Distinct HCPCS

Medicare payment

$67K

Peer benchmark

Total Medicare services vs. 1,563 Internal Medicine providers in MO — top quintile (cohort median 658).

PRESCRIBING · PART D · 2024

Total Rx claims

7,098

Beneficiaries

—

Total drug cost

$505K

Distinct drugs

117

Brand share

14.7%

Top prescribed drugs

Atorvastatin Calcium783 claims

Amlodipine Besylate444 claims

Lisinopril427 claims

Metoprolol Succinate274 claims

Levothyroxine Sodium237 claims

QUALITY · MIPS · 2024

Final MIPS score

82.3

Quality

64.7

Cost

76.1

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.30%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$162

Payment records

By payment type

Food and Beverage$162

Top paying entities

Food and Beverage$162

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 260040

Hospital

CCN 261329

Hospital

REFERRAL NETWORK

Where Richard Shimizu'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). 8 inbound referrers · 15 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LESTER E COX MEDICAL CENTERS	142	874
FANCHER, MICHAEL	16	57
HAWKINS, CALVIN	13	23
Mark Anderson Interventional Cardiology · Springfield, MO	12	36
James Rice Cardiology · Springfield, MO	11	81
Danny Penick Interventional Cardiology · Springfield, MO	11	43
LESTER E COX MEDICAL CENTERS	11	36
BOYCE - BYNUM PATHOLOGY LABORATORIES, INC	11	42

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
LESTER E COX MEDICAL CENTERS	121	777
Christian Brodeur Diagnostic Radiology · Springfield, MO	21	51
HAWKINS, CALVIN	20	94
Kevin Baehl Diagnostic Radiology · Springfield, MO	17	91
Christine Wester Diagnostic Radiology · Springfield, MO	16	48
FANCHER, MICHAEL	14	43
John Waites Internal Medicine · Springfield, MO	14	73
Lehman Godwin Internal Medicine · Springfield, MO	14	113
Mark Barrett Diagnostic Radiology · Springfield, MO	13	38
James Rice Cardiology · Springfield, MO	13	101
Danny Penick Interventional Cardiology · Springfield, MO	13	54
Mark Anderson Interventional Cardiology · Springfield, MO	12	68

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