What is Garry Dieter's specialty?

Garry Dieter (NPI 1811920002) is a Medicare-billing provider whose primary specialty is Anesthesiology in Los Angeles, CA.

Where does Garry Dieter practice?

Garry Dieter practices in Los Angeles, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1811920002.

How much does Medicare pay Garry Dieter?

Garry Dieter (NPI 1811920002) received approximately $51K in total Medicare Part B payments, serving 174 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1811920002

Garry DieterMD

AnesthesiologyLos Angeles, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

195

Unique beneficiaries

—

Total services

276

Distinct HCPCS

Medicare payment

$30K

Peer benchmark

Total Medicare services vs. 4,547 Anesthesiology providers in CA — top quintile (cohort median 182).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

85.7

Quality

83.2

Cost

0.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.45%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Garry Dieter'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). 16 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PROVIDENCE HEALTH & SERVICES - WA	169	239
PROVIDENCE HEALTH & SERVICES - WASHINGTON	124	180
Michael Kirsch Diagnostic Radiology · Spokane, WA	31	36
Ishwar Bhat Diagnostic Radiology · Spokane, WA	28	35
Wichit Srikureja Gastroenterology · Spokane, WA	26	64
Gary Fillmore Ophthalmology · Spokane, WA	22	104
TEEL, GORDON	19	20
WARDZALA, ALEXANDRA	18	19
Sanjay Logani Pathology · Spokane Valley, WA	18	23
Gregory Sterne Diagnostic Radiology · Seattle, WA	16	19
Corey Judd Diagnostic Radiology · Spokane, WA	13	13
Terri Lewis Diagnostic Radiology · Spokane, WA	12	12

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