Doctor profile · Federal record

Dr. Tonya Fields, FNP-C

Nurse Practitioner · Dalhart, TX

  • NPI 1699093625
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
206 E 16Th St
Dalhart, TX 790224802
(806) 244-5668
fax (806) 884-2790

Credentials & registration

NPPES · NUCC
NPI registered
May 2010 — 16 yrs on file
Profile last updated
August 3, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Texas #661513
Medicaid
TX #216508608

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699093625. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
313
Distinct HCPCS
6
Medicare allowed
$31,541
HCPCS Description Services Patients Avg allowed
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 92 38 $151
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 81 19 $51
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 80 30 $104
99497 Advance care planning, first 30 minutes 23 23 $68
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes 19 19 $165
G0318 Prolonged home or residence evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualif 18 16 $25

In context: peer comparison

Among 2 peers in Dalhart Nurse Practitioner, average services per provider: 49. This provider delivers 6.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$48
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 2 $47.62

By nature of payment

Food and Beverage
$48

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
549
Patients
128
Total drug cost
$7,137
Drug Type Claims Patients Total cost
Gabapentin Generic 62 21 $989
Furosemide Generic 57 19 $301
Levothyroxine Sodium Generic 55 20 $456
Potassium Chloride Generic 46 16 $1,016
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 42 12 $671
Carvedilol Generic 37 11 $192
Trazodone Hcl Generic 32 0 $394
Atorvastatin Calcium Generic 31 18 $506
Losartan Potassium Generic 31 11 $528
Amlodipine Besylate Generic 29 0 $168

Frequently asked questions

Auto-generated from federal data
What is Dr. Tonya Fields's medical specialty?
Dr. Tonya Fields practices Nurse Practitioner in Dalhart, TX.
Where does Dr. Tonya Fields practice?
Dr. Tonya Fields practices at 206 E 16Th St, Dalhart, TX 790224802. Office phone: 8062445668.
What is Dr. Tonya Fields's NPI?
Dr. Tonya Fields's National Provider Identifier (NPI) is 1699093625, issued by NPPES.
Does Dr. Tonya Fields accept Medicare assignment?
Yes. Dr. Tonya Fields accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tonya Fields commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with high level of medical decision making (HCPCS 99350); Chronic care management services (HCPCS 99490); Residence visit for established patient with moderate level of medical decision making (HCPCS 99349). Source: CMS Medicare Physician & Other Practitioners file.