What is Tamara Rivenburgh-Casillas's specialty?

Tamara Rivenburgh-Casillas (NPI 1134102965) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Chandler, AZ.

Where does Tamara Rivenburgh-Casillas practice?

Tamara Rivenburgh-Casillas practices in Chandler, AZ, based on the location reported in the CMS Medicare provider datasets for NPI 1134102965.

How much does Medicare pay Tamara Rivenburgh-Casillas?

Tamara Rivenburgh-Casillas (NPI 1134102965) received approximately $73K in total Medicare Part B payments, serving 591 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1134102965

Tamara Rivenburgh-CasillasFNP

Nurse PractitionerChandler, AZI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,169

Unique beneficiaries

—

Total services

1,752

Distinct HCPCS

Medicare payment

$66K

Peer benchmark

Total Medicare services vs. 4,787 Nurse Practitioner providers in AZ — top quintile (cohort median 272).

PRESCRIBING · PART D · 2024

Total Rx claims

952

Beneficiaries

—

Total drug cost

$14K

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Minoxidil437 claims

Ketoconazole224 claims

Spironolactone125 claims

Clobetasol Propionate49 claims

Mupirocin33 claims

QUALITY · MIPS · 2024

Final MIPS score

87.5

Quality

88.2

Cost

74.0

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.53%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Education$109

Top paying entities

Food and Beverage$2K

Education$109

REFERRAL NETWORK

Where Tamara Rivenburgh-Casillas'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). 0 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

No inbound pairs above the suppression threshold.

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Ameripath Tucson Inc Clinical Laboratory · Tucson, AZ	42	73
Sonora Quest Laboratories Llc Clinical Laboratory · Phoenix, AZ	26	37

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