Active NPI 1194030981 Individual Practitioner Male Practitioner

Mark T Weidemann , APNP

Nurse Practitioner • Oshkosh, WI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Mark Weidemann, APNP is a certified Nurse Practitioner practicing in Oshkosh, WI. With approximately 16 years of clinical experience since completing medical education in 2010, Mark Weidemann delivers high-quality medical care to the local community at 855 N WESTHAVEN DR.

Mark Weidemann is affiliated with Aurora Medical Group, Inc. and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

855 N Westhaven Dr

Oshkosh, WI 549047668

Telephone 9203038700

Associated Practice Facility / Clinic

🏢 Aurora Medical Center Of Oshkosh, Inc Facility NPI 1275578064

Medicare Profile & Education

Medical School

Other

Graduation Year

2010

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Oshkosh, WI

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

16 Yrs +6.2 yrs vs City Avg

City Avg: 9.8 Yrs

State Avg: 12.1 Yrs

Regional Practice Density

94 Specialists

Practicing in Oshkosh, WI (4030 Statewide)

Telehealth Adoption Rate

17.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

84.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Weidemann (16 Years) 16 Yrs

Oshkosh Specialty Average (9.8 Years) 9.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	18	17	$525.00	$93.53
99239 Hospital discharge day management, more than 30 minutes	13	13	$700.00	$90.55
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$350.00	$68.64
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	11	11	$915.00	$135.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	101	77	$330.00	$71.70
93000 Routine ekg using at least 12 leads including interpretation and report	32	25	$190.00	$11.60
93280 Programming of dual lead pacemaker system	25	18	$795.00	$63.19
93285 Programming of cardiac rhythm monitor system	21	15	$590.00	$45.36
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	17	$490.00	$104.16
93040 Tracing of electrical activity of heart using 1-3 leads with interpretation and report	15	14	$165.00	$10.27
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$875.00	$129.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	60	54	$313.00	$71.82
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	24	19	$355.00	$57.07
93280 Programming of dual lead pacemaker system	16	15	$780.00	$58.45
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	16	$835.00	$147.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	58	37	$218.52	$59.10
99231 Follow-up hospital inpatient care per day, typically 15 minutes	38	25	$115.68	$31.97
99239 Hospital discharge day management, more than 30 minutes	35	34	$333.57	$87.54
99238 Hospital discharge day management, 30 minutes or less	12	12	$238.08	$59.42
99217 Hospital observation care on day of discharge	11	11	$213.27	$59.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	94	50	$207.00	$59.32
99231 Follow-up hospital inpatient care per day, typically 15 minutes	65	36	$112.00	$31.86
99239 Hospital discharge day management, more than 30 minutes	58	55	$308.00	$88.12
99217 Hospital observation care on day of discharge	40	36	$204.00	$59.70
36415 Insertion of needle into vein for collection of blood sample	38	33	$11.83	$2.82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	34	22	$298.00	$85.02
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	23	$391.00	$111.03
99218 Hospital observation care typically 30 minutes	15	15	$288.00	$81.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	62	42	$193.00	$59.04
99239 Hospital discharge day management, more than 30 minutes	43	38	$287.00	$87.09
36415 Insertion of needle into vein for collection of blood sample	42	34	$10.69	$2.94
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	37	22	$278.00	$85.19
99217 Hospital observation care on day of discharge	31	30	$190.00	$59.55
85610 Blood test, clotting time	21	14	$19.31	$5.28
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$365.00	$111.47
99231 Follow-up hospital inpatient care per day, typically 15 minutes	16	13	$104.00	$31.99
99316 Nursing facility discharge management, more than 30 minutes	13	11	$276.00	$86.37
99219 Hospital observation care, typically 50 minutes	12	12	$366.33	$110.94

Medical Specialties & State Licenses

CMS Verified: 2025-08-26

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License WI 4130

(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

Medicaid State Provider ID

100011037 (WI)

Hospital & Practice Group Affiliations

Aurora Medical Group, Inc.

855 N Westhaven Dr, Oshkosh, WI 549047668

Phone: 9203038700

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners

Jacqueline Ots , PENDING

Nurse Practitioner

NPI 1003456823

Leah Fynaardt

Physician Assistant

NPI 1003702689

Dr. Zahid Dar , MD

Internal Medicine - Hematology & Oncology

NPI 1003850645

Doctor of Medicine (M.D.)

Xing Kong , NP

Nurse Practitioner

NPI 1003896093

Nurse Practitioner

Michele Osborne , CRNA-MNA

Nurse Anesthetist, Certified Registered

NPI 1013024496

CRNAMNA

Erin Lamers , PT

Physical Therapist

NPI 1013229301

Physical Therapist

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

10 Historical Events

📍

Updated Business Mailing Address August 26, 2025

Registered at PO BOX 735044, CHICAGO, IL 606735044 (Tel: 8003262250)

📍

Updated Practice Location June 25, 2019

Registered at 855 N WESTHAVEN DR, OSHKOSH, WI 549047668 (Tel: 9203038700)

📍

Updated Business Mailing Address June 25, 2019

Registered at 855 N WESTHAVEN DR, OSHKOSH, WI 549047668 (Tel: 9203038700)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 25, 2019

Nurse Practitioner (License #4130 in WI)

✅

NPI Profile Active August 17, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location August 17, 2010

Registered at 1405 MILL ST, NEW LONDON, WI 549612155 (Tel: 9205312400)

📍

Updated Business Mailing Address August 17, 2010

Registered at PO BOX 8003, APPLETON, WI 549128003 (Tel: 9209963200)

👤

Provider Name / Credentials Updated August 17, 2010

Recorded as MARK WEIDEMANN, APNP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 17, 2010

Nurse Practitioner (License #4130 in WI)

🟢

Initial NPI Registration & Enumeration August 17, 2010

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

NPI Number: 1194030981

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: August 17, 2010

Last Update: August 26, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 735044

Chicago, IL 606735044

Phone: 8003262250

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.