What is Richard Castillo's specialty?

Richard Castillo (NPI 1679593008) is a Medicare-billing provider whose primary specialty is Ophthalmology in Tahlequah, OK.

Where does Richard Castillo practice?

Richard Castillo practices in Tahlequah, OK, based on the location reported in the CMS Medicare provider datasets for NPI 1679593008.

How much does Medicare pay Richard Castillo?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Richard Castillo (NPI 1679593008) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1679593008

Richard Castillo

PRACTICENORTHEASTERN STATE UNIVERSITY COLLEGE OF OPTOMETRYSee all providers at this practice →

OphthalmologyTahlequah, OKI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Richard Castillo'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 · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORTHEASTERN HEALTH SYSTEM	99	324
CHEROKEE NATION	85	311
KING, MARY	84	245
Nathan Lighthizer Optometry · Tahlequah, OK	39	133
Spencer Johnson Optometry · Draper, UT	20	44
Jeff Miller Optometry · Tahlequah, OK	14	47
Earlena Mckee Optometry · Tahlequah, OK	11	22
James Pham Diagnostic Radiology · Tulsa, OK	11	45

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