What is Charles Birnbach's specialty?

Charles Birnbach (NPI 1144255936) is a Medicare-billing provider whose primary specialty is Ophthalmology in Bellevue, WA.

Where does Charles Birnbach practice?

Charles Birnbach practices in Bellevue, WA, based on the location reported in the CMS Medicare provider datasets for NPI 1144255936.

How much does Medicare pay Charles Birnbach?

Charles Birnbach (NPI 1144255936) received approximately $3.5M in total Medicare Part B payments, serving 873 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1144255936

Charles BirnbachM.D.

OphthalmologyBellevue, WAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,047

Unique beneficiaries

—

Total services

27,904

Distinct HCPCS

Medicare payment

$3.4M

Peer benchmark

Total Medicare services vs. 373 Ophthalmology providers in WA — top quintile (cohort median 2,090).

PRESCRIBING · PART D · 2024

Total Rx claims

437

Beneficiaries

—

Total drug cost

$19K

Distinct drugs

Brand share

20.6%

Top prescribed drugs

Prednisolone Acetate151 claims

Ofloxacin100 claims

Erythromycin Base46 claims

Latanoprost35 claims

Difluprednate19 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$85

Payment records

By payment type

Food and Beverage$85

Top paying entities

Food and Beverage$85

REFERRAL NETWORK

Where Charles Birnbach'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 · 18 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
KING COUNTY PUBLIC HOSPITAL DISTRICT NO. 2	58	154
Laboratory Corporation Of America Clinical Laboratory · Seattle, WA	27	44
SWEDISH HEALTH SERVICES	26	44
DYNACARE NORTHWEST, INC	22	44
The Retina Surgery Center Llc Ambulatory Surgical Center · Bellevue, WA	19	21
Michael Gilbert Ophthalmology · Bellevue, WA	15	22
James Stroh Ophthalmology · Bellevue, WA	14	21
UNIVERSITY OF WASHINGTON	12	42

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
OVERLAKE HOSPITAL MEDICAL CENTER	79	191
The Retina Surgery Center Llc Ambulatory Surgical Center · Bellevue, WA	62	100
KING COUNTY PUBLIC HOSPITAL DISTRICT NO. 2	61	135
Christina Winkley Physician Assistant · Bellevue, WA	40	56
OVERLAKE HOSPITAL MEDICAL CENTER LAB	34	51
DYNACARE NORTHWEST, INC	30	90
SWEDISH HEALTH SERVICES	28	67
Laboratory Corporation Of America Clinical Laboratory · Seattle, WA	27	44
VIRGINIA MASON MEDICAL CENTER	23	50
PATHOLOGY ASSOCIATES MEDICAL LABORATORIES LLC	22	38
SWEDISH HEALTH SERVICES	19	36
Robert Nash Ophthalmology · Bellevue, WA	18	32

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