Doctor profile · Federal record

Dr. Tonya Chafin, APRN, NP-C

Family Medicine Physician (CMS: Nurse Practitioner) · Williamson, WV

  • NPI 1043663669
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
50 Lenore Business Mall
Williamson, WV 256619199
(304) 236-3601
fax (304) 236-3602

Credentials & registration

NPPES · NUCC
NPI registered
July 2016 — 10 yrs on file
Profile last updated
October 6, 2020
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
West Virginia #APRN80181-NP-C

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043663669. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
390
Distinct HCPCS
6
Medicare allowed
$22,267
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 171 56 $72
36415 Insertion of needle into vein for collection of blood sample 85 46 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 60 34 $102
87804 Detection test by immunoassay with direct visual observation for influenza virus 35 14 $16
99203 New patient office or other outpatient visit, 30-44 minutes 21 21 $90
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 18 14 $41

In context: peer comparison

Among 2 peers in Williamson Family Medicine Physician, average services per provider: 75. This provider delivers 5.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$226
Transactions
9
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 3 $130.69
Phathom Pharmaceuticals, INC. 3 $45.01
GlaxoSmithKline, LLC. 2 $31.52
Optinose US, INC. 1 $18.51

By nature of payment

Food and Beverage
$226

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,508
Patients
582
Total drug cost
$26,365
Drug Type Claims Patients Total cost
Gabapentin Generic 316 44 $4,222
Lisinopril Generic 215 37 $802
Atorvastatin Calcium Generic 186 35 $1,342
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 176 47 $7,388
Simvastatin Generic 167 27 $707
Metformin Hcl Generic 164 32 $1,092
Alprazolam Generic 157 21 $694
Omeprazole Generic 157 30 $1,429
Levothyroxine Sodium Generic 145 24 $1,620
Pantoprazole Sodium Generic 145 24 $1,074

Frequently asked questions

Auto-generated from federal data
What is Dr. Tonya Chafin's medical specialty?
Dr. Tonya Chafin practices Family Medicine Physician in Williamson, WV.
Where does Dr. Tonya Chafin practice?
Dr. Tonya Chafin practices at 50 Lenore Business Mall, Williamson, WV 256619199. Office phone: 3042363601.
What is Dr. Tonya Chafin's NPI?
Dr. Tonya Chafin's National Provider Identifier (NPI) is 1043663669, issued by NPPES.
Does Dr. Tonya Chafin accept Medicare assignment?
Yes. Dr. Tonya Chafin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tonya Chafin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.