Quick answers
- Does Maria Ballentine accept Medicare assignment?
- Yes. Medicare's clinician data says Maria Ballentine 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 Maria Ballentine see?
- In 2024, CMS data shows 113 Original Medicare patients and 223 services for Maria Ballentine. This counts Original Medicare only and measures volume, not quality.
- What is Maria Ballentine's NPI number?
- 1235799917. 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 Maria Ballentine, 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 | 113 |
|---|---|
| Services billed to Medicare | 223 |
| Different services or procedures | 6 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Comprehensive hearing and speech recognition test (92557)113 services
- Test to assess middle ear function (92567)102 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%
- Arthritis51%
- Ischemic heart disease37%
- Chronic kidney disease32%
- Anxiety28%
Practice locations
Addresses where Maria Ballentine is enrolled with Medicare (CMS data updated October 2, 2026).
- 123 Summer StWorcester, MA 01608 (508) 363‑5000
Group practices
Medicare enrollment lists Maria Ballentine as a member of this group (CMS data updated October 2, 2026).
- Reliant Medical Group Inc640 clinicians in the group
Specialties
- Qualified Audiologistprimary
Find other clinicians: Qualified Audiologist, Massachusetts →
Other audiologists in Worcester
Clinicians with the same Medicare primary specialty in Worcester, MA — not a recommendation.
Other clinicians in Reliant Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | AU |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235799917 |
| 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