Ann Elizabeth Dettlaff , APNP
Nurse Practitioner • Oshkosh, WI
Professional Overview & Biography Verified Profile Summary
Ann Dettlaff, APNP is a registered healthcare professional specializing in Nurse Practitioner in Oshkosh, WI. Practice services are available at 250 W 6TH AVE under active NPI credentials.
Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, anticoagulant management of patient taking warfarin. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
250 W 6th Ave
Oshkosh, WI 549025910
Specialty Benchmarks & Practice Insights
Comparative analytics for Nurse Practitioner in Oshkosh, WI
Practicing in Oshkosh, WI (4030 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
58 | 47 | $490.00 | $104.11 |
|
G0439
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
|
47 | 47 | $355.00 | $105.96 |
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
32 | 31 | $330.00 | $73.50 |
|
93793
Anticoagulant management of patient taking warfarin
|
31 | 26 | $80.00 | $9.40 |
|
85610
Blood test, clotting time
|
19 | 18 | $45.00 | $4.20 |
Medical Specialties & State Licenses
CMS Verified: 2026-04-29NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Additional State Medicaid & Healthcare Payer Identifiers
Secondary Practice Locations
720 W. Association Dr.
Appleton, WI 54914
Phone: 9207314354
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Family Medicine
Doctor of Medicine (M.D.)
Nurse Practitioner
Advanced Practice Nurse Prescriber
Social Worker - Clinical
Licensed Clinical Social Worker
Nurse Practitioner
Adult Nurse Practitioner
Nurse Practitioner - Family
Family Nurse Practitioner
Pharmacist
Doctor of Pharmacy (Pharm.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 250 W 6TH AVE, OSHKOSH, WI 549025910 (Tel: 9202375000)
Registered at 3 NEENAH CTR, NEENAH, WI 549563070 (Tel: 9208305900)
Nurse Practitioner (License #4360-033 in WI)
Registered at 720 W. ASSOCIATION DR., APPLETON, WI 54914 (Tel: 9207314354)
Registered at 720 W. ASSOCIATION DR., APPLETON, WI 54914 (Tel: 9207314354)
Recorded as ANN DETTLAFF, APNP
Recorded as ANN PRIEST, APNP
NPI status registered as active in NPPES database
Registered at N1750 LILY OF THE VALLEY DR, GREENVILLE, WI 549429044 (Tel: 9207575170)
Registered at N1750 LILY OF THE VALLEY DR, GREENVILLE, WI 549429044 (Tel: 9207575170)
Recorded as ANN SEVERSON, APNP
Nurse Practitioner (License #4360-33 in WI)
NPI status registered as active in NPPES database
Registered at N1750 LILY OF THE VALLEY DR, GREENVILLE, WI 549429044 (Tel: 9207575170)
Registered at N1750 LILY OF THE VALLEY DR, GREENVILLE, WI 549429044 (Tel: 9207575170)
Recorded as ANN SEVERSON, APNP
Nurse Practitioner (License #4360-33 in WI)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
3 Neenah Ctr
Neenah, WI 549563070
Phone: 9208305900
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