Quick answers
- Does Donya B. Blair Tischer accept Medicare assignment?
- Yes. Medicare's clinician data says Donya B. Blair Tischer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Donya B. Blair Tischer see?
- In 2024, CMS data shows 159 Original Medicare patients and 1,580 services for Donya B. Blair Tischer. This counts Original Medicare only and measures volume, not quality.
- What is Donya B. Blair Tischer's NPI number?
- 1699174326. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Donya B. Blair Tischer, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 159 |
|---|---|
| Services billed to Medicare | 1,580 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Psychotherapy, 30 minutes (90832)737 services
- Psychotherapy, 45 minutes (90834)407 services
- Care management services for behavioral health conditions, at least 20 minutes of clinical psychologist, clinical social worker, mental health counselor, or marriage and family therapist time, per calendar month. (these services include the following requi (G0323)228 services
- Psychiatric diagnostic evaluation (90791)137 services
- Psychotherapy, 1 hour (90837)48 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Depression75%
- Anxiety75%
- Arthritis66%
- Diabetes53%
Practice locations
Addresses where Donya B. Blair Tischer is enrolled with Medicare (CMS data updated October 2, 2026).
- 213 US Hwy 259 N, PO Box 398Ore City, TX 75683 (903) 968‑4641
Group practices
Medicare enrollment lists Donya B. Blair Tischer as a member of this group (CMS data updated October 2, 2026).
- Brittain and Associates Inc15 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Ore City
Clinicians with the same Medicare primary specialty in Ore City, TX — not a recommendation.
Other clinicians in Brittain and Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1699174326 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians