What is Tonya Fields's specialty?

Tonya Fields (NPI 1699093625) is a Medicare-billing provider whose primary specialty is Nurse Practitioner in Dalhart, TX.

Where does Tonya Fields practice?

Tonya Fields practices in Dalhart, TX, based on the location reported in the CMS Medicare provider datasets for NPI 1699093625.

How much does Medicare pay Tonya Fields?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Tonya Fields (NPI 1699093625) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1699093625

Tonya Fields

PRACTICENATHAN A. VERMEDAHL, MD, PLLCSee all providers at this practice →

Nurse PractitionerDalhart, TXI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

2,470

Beneficiaries

—

Total drug cost

$124K

Distinct drugs

Brand share

15.8%

Top prescribed drugs

Levothyroxine Sodium196 claims

Atorvastatin Calcium172 claims

Gabapentin116 claims

Furosemide103 claims

Potassium Chloride101 claims

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 Tonya Fields'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Laboratory Corporation Of America Clinical Laboratory · Dallas, TX	55	106
BSA HOSPITAL LLC	37	136
David Tyson Family Practice · Amarillo, TX	35	115
Bart Britten Family Practice · Amarillo, TX	24	106
Prakash Desai Clinical Cardiac Electrophysiology · Amarillo, TX	13	29

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