Doctor profile · Federal record
Dr. Theresa Dyar, D.O.
Family Medicine Physician (CMS: Family Practice) · Lancaster, OH
- NPI 1043404932
- Accepts Medicare
- 19 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2405 N Columbus St Ste 200
Lancaster, OH 431308186
(740) 689-3627
fax (740) 687-5898 - Additional location
-
220 E Walnut St
Lancaster, OH 431304464
(740) 277-6043
Credentials & registration
- NPI registered
- September 2007 — 19 yrs on file
- Profile last updated
- July 13, 2023
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Ohio #34.009958
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043404932. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
878
Distinct HCPCS
9
Medicare allowed
$65,769
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 302 | 73 | $60 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 178 | 85 | $122 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 139 | 77 | $86 | |
36415 |
Insertion of needle into vein for collection of blood sample | 80 | 53 | $7 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 66 | 66 | $124 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 47 | 47 | $17 | |
83036 |
Hemoglobin a1c level | 28 | 21 | $10 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 23 | 16 | $173 | |
81003 |
Automated urinalysis test | 15 | 13 | $2 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 124. This provider delivers 7.1× the peer median.Open Payments
Industry payments received
All-time total
$1,018
Transactions
57
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 16 | $239.68 | |
| PFIZER INC. | 10 | $181.96 | |
| Dexcom, Inc. | 3 | $60.98 | |
| Novo Nordisk Inc | 4 | $57.70 | |
| Astellas Pharma US Inc | 3 | $52.02 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 3 | $51.93 | |
| Lilly USA, LLC | 3 | $50.29 | |
| Exact Sciences Corporation | 3 | $49.05 | |
| Otsuka America Pharmaceutical, Inc. | 3 | $47.06 | |
| Phathom Pharmaceuticals, Inc. | 2 | $46.49 | |
| Indivior Inc. | 2 | $34.86 | |
| AstraZeneca Pharmaceuticals LP | 2 | $28.71 | |
| Mylan Specialty L.P. | 1 | $27.37 | |
| ConvaTec Inc. | 1 | $22.50 | |
| Neurocrine Biosciences, Inc. | 1 | $18.43 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,651
Patients
411
Total drug cost
$26,327
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 210 | 43 | $2,363 |
| Atorvastatin Calcium | Generic | 191 | 52 | $2,700 |
| Omeprazole | Generic | 158 | 40 | $2,053 |
| Gabapentin | Generic | 125 | 27 | $2,724 |
| Losartan Potassium | Generic | 120 | 33 | $1,294 |
| Amlodipine Besylate | Generic | 111 | 33 | $797 |
| Lisinopril | Generic | 111 | 30 | $1,032 |
| Pantoprazole Sodium | Generic | 104 | 21 | $1,315 |
| Nifedipine Er (Nifedipine) | Brand | 87 | 17 | $1,898 |
| Metformin Hcl | Generic | 84 | 21 | $888 |
Hospital affiliations
Frequently asked questions
What is Dr. Theresa Dyar's medical specialty?
Dr. Theresa Dyar practices Family Medicine Physician in Lancaster, OH.
Where does Dr. Theresa Dyar practice?
Dr. Theresa Dyar practices at 2405 N Columbus St Ste 200, Lancaster, OH 431308186. Office phone: 7406893627.
What is Dr. Theresa Dyar's NPI?
Dr. Theresa Dyar's National Provider Identifier (NPI) is 1043404932, issued by NPPES.
Does Dr. Theresa Dyar accept Medicare assignment?
Yes. Dr. Theresa Dyar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Theresa Dyar commonly perform?
Top Medicare-reported procedures in 2023: Chronic care management services (HCPCS 99490); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.