THERESA A. DYAR (D.O.) – Family Medicine Physician, NPI 1043404932
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,431 FAMILY PRACTICE in OH
Provider Addresses for THERESA A. DYAR (D.O.)
220 E Walnut St
Lancaster, OH 431304464
Phone: (740) 277-6043
Type: Location
200, North Columbus Street, Lancaster West Main Street Historic District, Carpenters Addition, Lancaster, Fairfield County, Ohio, 43130, United States
LANCASTER, OH 431308186
Phone: (740) 689-3627
Fax: (740) 687-5898
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 127 Open Payments records for all available years, with a total value of $1,990.
Total Amount is formed as General ($1,990) + Research ($0) + Ownership ($0) = $1,990.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: ABBVIE INC. ($427).
Total Amount
$1,990
General + Research + Ownership
Payments
127
Total payment records
General Amount
$1,990
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $427 |
| Novo Nordisk Inc | $269 |
| PFIZER INC. | $265 |
| Otsuka America Pharmaceutical, Inc. | $128 |
| Dexcom, Inc. | $61 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-09-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100913001067 | I | Family Practice | OH | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 302 | 73 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 178 | 85 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 139 | 77 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 80 | 53 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 66 | 66 | $0 |
Insurance plans in this area (ZIP 43130)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OH | |
| Clinical Social Worker | OH | |
| Family Practice | OH | |
| Family Practice | OH | |
| Nurse Practitioner | OH | |
| Nurse Practitioner | OH | |
| Family Practice | OH | |
| - | OH | |
| - | OH | |
| Mental Health Counselor | OH |
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