NPPES file of Aug 9, 2026

Robert W. Detlefsen, ARNP

Psychiatric/Mental Health Nurse Practitioner · North Liberty, IA

Robert W. Detlefsen, ARNP is a psychiatric/mental health nurse practitioner with a practice address in North Liberty, Iowa, and NPI 1134206873, issued on Nov 1, 2006. Check the license (Iowa G115825, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134206873
Name
Robert W. Detlefsen
Credential
ARNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
G115825 IA
G-115825 IA
75810 KS
2013003487 MO
Self-reported in NPPES; status is on the state search
Practice location
455 N Mckenzie LN, North Liberty, IA 52317
Phone
(319) 471-2479
Enumerated
Nov 1, 2006
Record last updated
Sep 16, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 612 in Iowa → Look up another NPI →

Verify Robert W. Detlefsen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Iowa board licenses this profession
    Search for license G115825    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Iowa license search

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76% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

213 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Robert Detlefsen213
  2. Specialty average906

Most prescribed

  1. Alprazolam17 claims
  2. Lamotrigine17 claims
  3. Trazodone Hcl15 claims
  4. Caplyta14 claims
  5. Prazosin Hcl12 claims
  6. Zolpidem Tartrate11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Robert W. Detlefsen among 612 psychiatric/mental health nurse practitioner records in Iowa

Robert W. Detlefsen, ARNP is one of 612 psychiatric/mental health nurse practitioner records with a practice address in Iowa. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 89% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2020 · 28% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 psychiatric/mental health nurse practitioner records list a practice address in North Liberty

They are 4 of the 343 NPPES records with a practice address in North Liberty, and 612 psychiatric/mental health nurse practitioner records in Iowa.

All 612 in Iowa → Every provider in North Liberty → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Joshua Curphy, ARNPNorth Liberty, IA 523171740662394
  2. Allison DonovanNorth Liberty, IA 523171306486030
  3. Curtis Long, DNP PMHNPNorth Liberty, IA 523171588181481
  4. Noel Adams, ARNPMarion, IA 523021295352110
  5. Tia KohrtTiffin, IA 523401730955246
  6. Elizabeth HuntVinton, IA 523491366125460
  7. Courtney McIntire, ARNPVinton, IA 523491790504801
  8. Jena CurryIowa City, IA 522461851226153

Common questions

What is Robert W. Detlefsen, ARNP's NPI number?

Robert W. Detlefsen, ARNP's National Provider Identifier (NPI) is 1134206873, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert W. Detlefsen, ARNP located?

The NPPES record lists a practice address at 455 N Mckenzie LN, North Liberty, IA, 52317. Phone: (319) 471-2479. Providers update this record themselves, so call before visiting.

How can I verify Robert W. Detlefsen, ARNP's license?

NPPES lists Iowa license number G115825, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.

How much does Robert W. Detlefsen, ARNP prescribe under Medicare Part D?

In 2024, Robert W. Detlefsen, ARNP had 213 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.