Quick answers
- Does Andrew P. Jameson accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew P. Jameson 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 Andrew P. Jameson see?
- In 2024, CMS data shows 166 Original Medicare patients and 567 services for Andrew P. Jameson. This counts Original Medicare only and measures volume, not quality.
- What is Andrew P. Jameson's NPI number?
- 1770781890. 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 Andrew P. Jameson, 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 | 567 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)225 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)135 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)113 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)19 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)16 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%
- Arthritis52%
- Chronic kidney disease52%
- Diabetes49%
- Depression45%
Hospitals where Andrew P. Jameson works
Medicare's Facility Affiliation Data lists Andrew P. Jameson 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.
- Holland HospitalHolland, MI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 230072
- Mercy Health Saint Mary'sGrand Rapids, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230059
- Trinity Health Muskegon HospitalMuskegon, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230066
Practice locations
Addresses where Andrew P. Jameson is enrolled with Medicare (CMS data updated October 2, 2026).
- 310 Lafayette Ave SE, Suite 410Grand Rapids, MI 49503 (616) 685‑8200
- 602 Michigan AveHolland, MI 49423 (616) 392‑5141
Group practices
Medicare enrollment lists Andrew P. Jameson as a member of these groups (CMS data updated October 2, 2026).
- Advantage Health/Saint Mary's Medical Group505 clinicians in the group
- Holland Community Hospital178 clinicians in the group
Specialties
- Infectious Diseaseprimary
- Internal Medicinealso
Other infectious disease doctors in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Other clinicians in Advantage Health/Saint Mary's Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770781890 |
| 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