Quick answers
- Does Nicholas J. St Hilaire accept Medicare assignment?
- Yes. Medicare's clinician data says Nicholas J. St Hilaire 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 Nicholas J. St Hilaire see?
- In 2024, CMS data shows 166 Original Medicare patients and 367 services for Nicholas J. St Hilaire. This counts Original Medicare only and measures volume, not quality.
- What is Nicholas J. St Hilaire's NPI number?
- 1245522846. 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 Nicholas J. St Hilaire, 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 | 166 |
|---|---|
| Services billed to Medicare | 367 |
| Different services or procedures | 57 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)60 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)51 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)45 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)34 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)23 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 cholesterol72%
- Arthritis51%
- Diabetes38%
- Chronic kidney disease36%
- Anxiety34%
Hospitals where Nicholas J. St Hilaire works
Medicare's Facility Affiliation Data lists Nicholas J. St Hilaire 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.
- McLaren Greater LansingLansing, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230167
Practice locations
Addresses where Nicholas J. St Hilaire is enrolled with Medicare (CMS data updated October 2, 2026).
- 1035 Charlevoix Dr, Suite 200Grand Ledge, MI 48837 (517) 626‑3100
- 1540 Lake Lansing Rd, Suite 104Lansing, MI 48912 (517) 913‑4010
- 3520 Forest RdLansing, MI 48910 (877) 296‑0111
- 401 S Ballenger HwyFlint, MI 48532 (810) 342‑2000
- 6900 E Saginaw HwyGrand Ledge, MI 48837
Group practices
Medicare enrollment lists Nicholas J. St Hilaire as a member of these groups (CMS data updated October 2, 2026).
- McLaren Medical Group213 clinicians in the group
- McLaren Greater Lansing99 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Other clinicians in McLaren Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245522846 |
| 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