Provider Profile
Listed in the NPI registry as a physician assistant, Holly Vanderwerff practices in Troy, MI. According to Medicare claims data, Holly cared for 84 Medicare patients across 90 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, destruction of skin growth, 1-14 growths, and destruction of precancer skin growth, 1 growth.
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.
4600 INVESTMENT DR STE 300
Troy, MI 48098
90 services · 84 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Destruction of skin growth, 1-14 growths | Procedure | 17110 |
21 | |
| Destruction of precancer skin growth, 1 growth | Procedure | 17000 |
20 | |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
33 | |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Holly Vanderwerff is a physician assistant in Troy, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Holly Vanderwerff is listed at 4600 Investment Dr Ste 300, Troy, MI 48098. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (248) 267-5000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Holly Vanderwerff's National Provider Identifier is 1194195966. 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
Holly Vanderwerff attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
Holly Vanderwerff has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Holly Vanderwerff performs procedures including destruction of skin growth, 1-14 growths and destruction of precancer skin growth, 1 growth, 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 Holly Vanderwerff. 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.