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Edit this profileListed in the NPI registry as a psychologist — clinical, William R. Hoekstra, PSYD LP practices in Northfield, MN. Medicare claims data shows William provided 223 services to 55 patients. The services billed most often include psychotherapy, 45 minutes and psychiatric diagnostic evaluation. NPI 1578527289 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1624 CANNON VALLEY DR
Northfield, MN 55057
Within Clinical Psychology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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223 services · 55 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
196 | As often as other peers in Psychologist — Clinical |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
27 | As often as other peers in Psychologist — Clinical |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Hoekstra is a psychologist in Northfield, MN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
Dr. Hoekstra is listed at 1624 Cannon Valley Dr, Northfield, MN 55057. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (507) 403-7976. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Hoekstra's National Provider Identifier is 1578527289. 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
Dr. Hoekstra attended Other, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
Dr. Hoekstra has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Hoekstra provides treatments such as psychotherapy, 45 minutes and psychiatric diagnostic evaluation. 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 Dr. Hoekstra. If this is you, claiming it is free.
Guide.md
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