Doctor profile · Federal record
Dr. Tonya Gray, MD
Family Medicine Physician (CMS: Family Practice) · Mason City, IA
- NPI 1427164201
- Accepts Medicare
- 28 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1010 4Th St Sw
Mason City, IA 504012857
(641) 422-6020
fax (641) 422-7803 - Mailing address
-
621 S Illinois Ave, Suite 103
Mason City, IA 504015489
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 8, 2025
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Iowa #35644
- Medicaid
- IA #0447698
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427164201. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
547
Distinct HCPCS
6
Medicare allowed
$50,291
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 190 | 126 | $91 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 150 | 130 | $62 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 145 | 145 | $120 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 37 | 34 | $134 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 14 | 14 | $8 | |
G0402 |
Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment | 11 | 11 | $122 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 112. This provider delivers 4.9× the peer median.Open Payments
Industry payments received
All-time total
$16
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 1 | $16.17 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,621
Patients
467
Total drug cost
$101,206
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 280 | 81 | $3,893 |
| Losartan Potassium | Generic | 172 | 45 | $2,911 |
| Levothyroxine Sodium | Generic | 150 | 37 | $2,198 |
| Lisinopril | Generic | 126 | 38 | $1,242 |
| Omeprazole | Generic | 120 | 33 | $1,864 |
| Metoprolol Succinate | Generic | 111 | 29 | $2,428 |
| Amlodipine Besylate | Generic | 107 | 33 | $1,029 |
| Hydrochlorothiazide | Generic | 101 | 26 | $659 |
| Shingrix (Varicella-Zoster Ge/As01b/Pf) | Brand | 81 | 52 | $16,575 |
| Rosuvastatin Calcium | Generic | 80 | 21 | $1,588 |
Frequently asked questions
What is Dr. Tonya Gray's medical specialty?
Dr. Tonya Gray practices Family Medicine Physician in Mason City, IA.
Where does Dr. Tonya Gray practice?
Dr. Tonya Gray practices at 1010 4Th St Sw, Mason City, IA 504012857. Office phone: 6414226020.
What is Dr. Tonya Gray's NPI?
Dr. Tonya Gray's National Provider Identifier (NPI) is 1427164201, issued by NPPES.
Does Dr. Tonya Gray accept Medicare assignment?
Yes. Dr. Tonya Gray accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tonya Gray commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.