Quick answers
- Does Treise N. Tomlinson-Chesnut accept Medicare assignment?
- Yes. Medicare's clinician data says Treise N. Tomlinson-Chesnut 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 Treise N. Tomlinson-Chesnut see?
- In 2024, CMS data shows 262 Original Medicare patients and 2,047 services for Treise N. Tomlinson-Chesnut. This counts Original Medicare only and measures volume, not quality.
- What is Treise N. Tomlinson-Chesnut's NPI number?
- 1710970884. 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 Treise N. Tomlinson-Chesnut, 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 | 262 |
|---|---|
| Services billed to Medicare | 2,047 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)231 services
- Annual alcohol misuse screening, 5 to 15 minutes (G0442)222 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)202 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)201 services
- Annual depression screening, 5 to 15 minutes (G0444)199 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 cholesterol75%
- High blood pressure73%
- Arthritis42%
- Osteoporosis31%
- Ischemic heart disease26%
- Chronic kidney disease24%
Hospitals where Treise N. Tomlinson-Chesnut works
Medicare's Facility Affiliation Data lists Treise N. Tomlinson-Chesnut at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Adventist Health Simi ValleySimi Valley, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050236
- Los Robles Hospital & Medical CenterThousand Oaks, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050549
Practice locations
Addresses where Treise N. Tomlinson-Chesnut is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Newbury RdNewbury Park, CA 91320 (805) 214‑3122
Group practices
Medicare enrollment lists Treise N. Tomlinson-Chesnut as a member of this group (CMS data updated October 2, 2026).
- Prestige Medical Associates, Inc.2 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Newbury Park
Clinicians with the same Medicare primary specialty in Newbury Park, CA — not a recommendation.
Other clinicians in Prestige Medical Associates, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1710970884 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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