Quick answers
- Does Sabrina L. Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Sabrina L. Williams 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 Sabrina L. Williams see?
- In 2024, CMS data shows 49 Original Medicare patients and 325 services for Sabrina L. Williams. This counts Original Medicare only and measures volume, not quality.
- What is Sabrina L. Williams's NPI number?
- 1912986217. 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 Sabrina L. Williams, 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 | 49 |
|---|---|
| Services billed to Medicare | 325 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)67 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)43 services
- Insertion of needle into vein for collection of blood sample (36415)41 services
- Urinalysis, manual test (81002)31 services
- Assessment of emotional or behavioral problems (96127)22 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 pressure71%
- High cholesterol55%
- Diabetes51%
- Arthritis37%
- Chronic kidney disease35%
Hospitals where Sabrina L. Williams works
Medicare's Facility Affiliation Data lists Sabrina L. Williams 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.
- Ascension St Vincent HospitalIndianapolis, IN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 150084
- Indiana University HealthIndianapolis, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150056
Practice locations
Addresses where Sabrina L. Williams is enrolled with Medicare (CMS data updated October 2, 2026).
- 10649 Bennett PkwyZionsville, IN 46077 (317) 843‑6700
- 10995 Allisonville Rd, Suite 100Fishers, IN 46038 (317) 842‑7928
- 4405 Allisonville RdIndianapolis, IN 46205 (317) 613‑0918
- 7151 Marsh Rd, Suite 150Indianapolis, IN 46278 (317) 216‑2021
Group practices
Medicare enrollment lists Sabrina L. Williams as a member of this group (CMS data updated October 2, 2026).
- American Health Network of Indiana LLC208 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Zionsville
Clinicians with the same Medicare primary specialty in Zionsville, IN — not a recommendation.
Other clinicians in American Health Network of Indiana LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912986217 |
| 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