Provider Profile
Lauren Greifenberg is a physician assistant practicing in Grand Rapids, MI. Medicare claims data shows Lauren provided 45 services to 40 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
300 LAFAYETTE AVE SE STE 2045
Grand Rapids, MI 49503
45 services · 40 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
18 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
27 | Less often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Lauren Greifenberg is a physician assistant in Grand Rapids, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Lauren Greifenberg is listed at 300 Lafayette Ave Se Ste 2045, Grand Rapids, MI 49503. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (616) 685-3098. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Lauren Greifenberg's National Provider Identifier is 1093576555. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Lauren Greifenberg attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
Lauren Greifenberg has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Lauren Greifenberg provides treatments such as continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Lauren Greifenberg. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.