Tonya Marea Fields, FNP-C
Nurse Practitioner · Dalhart, TX
Tonya Marea Fields, FNP-C is a nurse practitioner with a practice address in Dalhart, Texas, and NPI 1699093625, issued on May 14, 2010. Check the license (Texas 661513, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tonya Marea Fields
- Credential
- FNP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 661513 TX
Self-reported in NPPES; status is on the state search - Practice location
- 206 E 16TH St, Dalhart, TX 79022
- Phone
- (806) 244-5668
- Enumerated
- May 14, 2010
- Record last updated
- Aug 3, 2023
- Fax
- (806) 884-2790
- Medicaid ID
- 216508608 TX
- Medicare enrollment
- Enrolled (PECOS I20120120000470); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,825 in Texas → Look up another NPI →
Also registered at 206 E 16TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caroline McBrydePhysician Assistant1134848849
- Matthew Turner, M.D.Family Medicine Physician1346333218
Verify Tonya Marea Fields in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 661513Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average nurse practitioner in 2024
2,978 Medicare Part D claims for 172 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 15 claims were for opioids.
Most prescribed
- Levothyroxine Sodium196 claims
- Atorvastatin Calcium172 claims
- Gabapentin116 claims
- Furosemide103 claims
- Potassium Chloride101 claims
- Omeprazole100 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $47.62
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Dallam-Hartley Counties Hospital DistrictDalhart, TX
- Fmc Palliative Care, LLCAmarillo, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tonya Marea Fields among 4,825 nurse practitioner records in Texas
Tonya Marea Fields, FNP-C is one of 4,825 nurse practitioner records with a practice address in Texas. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 22% of them.
- NPI issued2010 · 22% of these records are older, 76% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2009 · median 2018 among the 2,618 with a school on file
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 nurse practitioner records list a practice address in Dalhart
They are 2 of the 67 NPPES records with a practice address in Dalhart, and 4,825 nurse practitioner records in Texas.
All 4,825 in Texas → Every provider in Dalhart → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Leah Ford, APRNDalhart, TX 790221871133561
- Peggy Birkenfeld, FNPDimmitt, TX 790271881650117
- Candy Marshall, CFNPCanyon, TX 790161912920844
- Sarah Carlisle, FNP-CCanyon, TX 790151962010892
- Brandy Dempsey, FNPCanyon, TX 790151447746649
- Tiffany Potter, FNPCanadian, TX 790141962740985
- Morgan Rader, APRNCanadian, TX 790141831575521
- Alexandra Caballero, NPFriona, TX 790351336986405
Common questions
What is Tonya Marea Fields, FNP-C's NPI number?
Tonya Marea Fields, FNP-C's National Provider Identifier (NPI) is 1699093625, issued on May 14, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Tonya Marea Fields, FNP-C located?
The NPPES record lists a practice address at 206 E 16TH St, Dalhart, TX, 79022. Phone: (806) 244-5668. Providers update this record themselves, so call before visiting.
How can I verify Tonya Marea Fields, FNP-C's license?
NPPES lists Texas license number 661513, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Tonya Marea Fields, FNP-C prescribe under Medicare Part D?
In 2024, Tonya Marea Fields, FNP-C had 2,978 Medicare Part D claims for 172 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.